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ROC DIAMOND GIA Certified 4.48 Carat Pink Diamond Ring
Located in MIAMI, FL
Beautiful hand made ring crafted in platinum by master jewelers. The focal point of the ring is one of the rarest diamonds in the world. A natural pink diamond. The center stone is o...
Category

2010s Modern Diamond More Rings

Materials

Pink Diamond, Platinum

Piranesi Invisible Set Farfalla Double Ring in 18k White Gold with Diamonds
Located in New York, NY
Piranesi Invisible set Farfalla double ring in 18K white gold with diamonds approx. 12.85 carats Invisible Set Square Blue Sapphires 0.17 carats Round Diamonds Ring set in 18K White...
Category

21st Century and Contemporary Diamond More Rings

Materials

Diamond, White Gold

Fancy Yellow Pink Diamond Ring 18 Karat White Gold
Located in Barnsley, GB
This is a 1.37-Carat Cushion Cut Fancy Yellow VS2 set in 18K Gold with 52 Brilliant G-H VS Natural Diamonds Totaling 0.36 Carats and 22 Brilliant Fancy Pink VS Diamonds with a GI...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

White Diamond, Yellow Diamond, Pink Diamond, 18k Gold, White Gold

AnaKatarina 18k Gold and Inverted Diamond 'Attitude' Ring
Located in Dedham, MA
Spikes of gold and inverted diamonds bring to mind the 1970’s punk rock scene of leather and attitude. Ana-Katarina has taken this vibe and reinvented it for the modern woman whose a...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Diamond

GIA Certified Green Tourmaline Diamond 18k Gold Cocktail Ring
Located in Miami, FL
This exquisite Green Tourmaline Cocktail Ring is a splash of color with an effortless sparkle, Crafted in solid heavy 18K yellow gold, the center is adorned by a GIA certified Green ...
Category

1990s Modern Diamond More Rings

Materials

Diamond, Tourmaline, 18k Gold

Georgios Collections 18 Karat Yellow Gold Lion Head Diamond Multi-Color Ring
Located in Astoria, NY
This S.Georgios Hand Made 18 Karat Yellow Gold Lionhead diamond Ring is decorated with Byzantine-era workmanship. This Lionhead ring -which is a symbol of strength, features white br...
Category

21st Century and Contemporary Classical Greek Diamond More Rings

Materials

Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, Gold, 18...

Cabochon Ruby with Diamond Ring Set in 18 Karat White Gold Settings
Located in Bangkok, TH
Cabochon Ruby 7.76 carats with Diamond 2.17 carats Ring set in 18 Karat White Gold Settings Width: 1.5 cm Length: 2.0 cm Ring Size: 53 Total Weight: 13.78 grams "We first opened...
Category

2010s Contemporary Diamond More Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Rubellite with Ruby and Diamond Ring Set in 18 Karat White Gold Settings
Located in Bangkok, TH
Rubellite 17.18 carats with Ruby 2.82 carats and Diamond 0.55 carat Ring set in 18 Karat White Gold Settings Width: 1.6 cm Length: 2.1 cm Ring Size: 51 Total Weight: 14.94 grams ...
Category

2010s Contemporary Diamond More Rings

Materials

Diamond, Rubelite, Ruby, 18k Gold, White Gold

Yellow Sapphire with Diamond and Yellow Diamond Ring Set in 18 Karat White Gold
Located in Bangkok, TH
Yellow Sapphire 5.03 carats with Diamond 2.36 carats and Yellow Diamond 0.28 carats Ring set in 18 Karat White Gold Settings Width: 2.1 cm Length: 2.9 cm Ring Size: 49 Total Weig...
Category

2010s Contemporary Diamond More Rings

Materials

Diamond, Yellow Diamond, Yellow Sapphire, White Gold

Oceanic Ring in Rose Gold with Blue Opal and White Diamond
Located in Istanbul, TR
The Treasures of The Sea Collection is inspired by the water element which represents the treasures and natural stones hidden in the depths of the sea. Oceanic ring in rose gold wit...
Category

2010s Modern Diamond More Rings

Materials

White Diamond, Opal, Blue Sapphire, Tsavorite, Blue Topaz, Rose Gold

1.40 Carats Emeralds and 1.10 Carat Diamonds French Antique Ring
Located in Saint-Ouen, FR
Very beautiful antique ring, made in France circa 1900. The ring is yellow gold 18k, eagle head mark. The central diamond weights 1.10 carats estimate. The color is K/L estimate and...
Category

Early 1900s Belle Époque Antique Diamond More Rings

Materials

Diamond, Emerald, 18k Gold

18 Karat Gold Pink Tourmaline and Diamonds Italian Ring
Located in Valenza, IT
Timeless Rose Gold ring, with a central pink Tourmaline ct. 1.92 and Diamonds ct. 0.21, handmade in Italy by Roberto Casarin. An elegant colourful ring, stylish and perfect on any a...
Category

2010s Modern Diamond More Rings

Materials

Diamond, Tourmaline, 18k Gold, Rose Gold, Gold

Certified 2.57ct Natural Jadeite Jade Platinum Diamond Ring
Located in Boca Raton, FL
Platinum ring, with center EGL certified natural jadeite jade - 2.57ct, surrounded with 0.40ctw in H/VS diamonds. Ring size - 6.5, ring top - 11mm wide. Weight - 6.4 grams. Marked...
Category

20th Century Diamond More Rings

Materials

Diamond, Jade, Platinum

Gold Smokey Topaz Diamond Ring
Located in Boca Raton, FL
18k gold ring with smokey topaz (stone has a scratch) and approx. 0.20ctw in diamonds. Ring size 5, ring top - 16mm x 24mm. Tested - 18k. Weight - 26.5 grams.
Category

20th Century Diamond More Rings

Materials

Diamond, Topaz, Gold

Art Deco 5.06 Carat Old European Cut Diamond Platinum Engagement Ring
Located in New York, NY
Gorgeous French Art Deco platinum Old European cut diamond ring set with 5 round old cut diamonds going down either side of the shank and centrally set with with an Old European Cut...
Category

1920s Art Deco Vintage Diamond More Rings

Materials

Diamond, Platinum

Georgios Collections 18 Karat Yellow Gold Ruby Emerald Sapphire Diamond Ring
Located in Astoria, NY
S.Georgios designer multicolor ring is handmade from solid 18 Karat Yellow Gold. This stunning Multicolour Byzantine style ring features 10 Brilliant cut Diamonds in a total weight o...
Category

21st Century and Contemporary Byzantine Diamond More Rings

Materials

Diamond, White Diamond, Emerald, Multi-gemstone, Ruby, Sapphire, Blue Sa...

8.27 Carat Citrine Diamond 14 Karat White Gold Cocktail Ring
Located in San Dimas, CA
This beautiful ring has a bright and large Citrine that weighs 8.07 Carats. It is surrounded by a Halo of 40 Round Cut Diamonds that weigh 0.80 carats (Clarity: VS, Color: H). The to...
Category

2010s Contemporary Diamond More Rings

Materials

Citrine, Diamond, 14k Gold, White Gold

Superb and Unique Cabochon Star Sapphire and Diamond Ring for Men
Located in Calabasas, CA
This elegant and impressive Cabochon 9.ooct Star Sapphire is set in 14KWG + 2 side Diamonds = 0.22cttw
Category

2010s Modern Diamond More Rings

Materials

Diamond, Star Sapphire, 14k Gold

Blue Sapphire with Diamond Ring set in 18 Karat White Gold Settings
Located in Bangkok, TH
Blue Sapphire 8.80 carats with Diamond 1.03 carat Ring set in 18 Karat White Gold Settings Width: 2.1 cm Length: 1.5 cm Ring Size: 52 Total Weight: 13.81 grams "We first opened ...
Category

2010s Contemporary Diamond More Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Contemporary Hand Engraved "Serpent" Ring in White Gold and Diamonds
Located in Porto, PT
Rosior Contemporary "Serpent" Ring manufactured in 19.2 Karat White Gold. The "scales" are hand engraved on this Ring that is also setted with: - 2 "Trapezoid" Cut Diamonds with 0,22...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Diamond, White Diamond, Gold, White Gold

White Diamond Emerald Ruby Snake Cocktail Ring Victorian Style Bronze J Dauphin
Located in Los Angeles, CA
White Diamond Marquis Emerald Ruby Eyes Snake Cocktail Ring Victorian Style Bronze J Dauphin 1 Marquis Cut White Diamond 2 pcs Emerald as eyes and 2 pcs Ruby as eyes on second snake...
Category

2010s Victorian Diamond More Rings

Materials

White Diamond, Emerald, Ruby, Bronze

18 Karat White Gold Pave Diamond Big Panther Ring
Located in Scottsdale, AZ
Designer: custom Material: 18K white gold Diamond: round cut = 3.70cttw Color: G Clarity: VS2 Ring size: 7 (please allow two additional shipping days for sizing requests) Weight: 1...
Category

21st Century and Contemporary Diamond More Rings

Materials

Diamond, 18k Gold, White Gold

Exceptional Diamond Ring in Rose Gold 750
Located in Lucerne, CH
This Ring captivates with its simple and modern design. The fancy light brown Assher cut Diamond with a weight of 2.65 ct and si1 quality is certified by the Swiss Gemmological Insti...
Category

21st Century and Contemporary Modern Diamond More Rings

Materials

Diamond, 18k Gold, Rose Gold

Yellow Natural Sapphire and White Diamond Ring
Located in Aspen, CO
Diamond and Yellow sapphire possessing a fine bright pleasing yellow color is prong set in this 18K contemporary gold ring. The natural yellow sapphire weighs exactly 6.26 cts., an...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

White Diamond, Yellow Sapphire, Sapphire, 18k Gold

0.54 Carat Ruby Emerald & Diamond Ring in 14k White Gold
Located in Chicago, IL
This is the classic ballerina-style ruby and diamond ring, In the center is a perfect emerald cut, measuring 5.85x4.00mm, vibrant red ruby framed by tapered baguette-cut diamonds. Th...
Category

2010s Contemporary Diamond More Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Gemjunky Elegant Pinky Purple Natural 1.17 Ct. Sapphire & Diamond Gold Ring
Located in Tuxedo Park , NY
This beautiful oval glittering pinky purple 1.17 carat natural Sapphire (8mm x 6.3mm) is surrounded by .25 carats of sparkling real white diamonds set in this lovely 10K white gold r...
Category

21st Century and Contemporary Diamond More Rings

Materials

Diamond, White Diamond, Sapphire, Gold, 10k Gold, White Gold

Vintage Diamond Emerald Platinum Cocktail Ring
Located in Beverly Hills, CA
Vintage Diamond Emerald Platinum Cocktail Ring. The ring features a round emerald approximately 1.10 carat. Accompanied by 6 marquise, 6 round emeralds approximately 1.02 carat. As w...
Category

1950s Retro Vintage Diamond More Rings

Materials

Diamond, Emerald, Platinum

0.86 Carat Ethiopian Opal Emerald and Diamond 18kt Yellow Gold Open Band Ring
Located in Jaipur, Jaipur
Let your hand do the talking by wearing this beautifully crafted ring featuring Ethiopian Opal Flat weighing approximately 0.86 carats accented by a fine color oval shaped emerald we...
Category

21st Century and Contemporary Modern Diamond More Rings

Materials

Diamond, Emerald, Opal, Gold, 18k Gold, Yellow Gold

Sybarite Jewellery Diamond Crossover Cuff Ring 18 Karat Gold
Located in London, GB
Sybarite Jewellery is a London-based luxury brand crafting outstanding pieces, incomparable both in design and in execution. Spearheaded by founder Margarita Prykhodko, a former arch...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Mixed Metal

GIA Certified 6.31ct, Round Brilliant Diamond Ring
Located in Calabasas, CA
Facing up large and beautiful this 6.31ct, J color, and SI2 clarity is set in a regal 18K White gold setting with 1.00cttw melee GIA #6177978457
Category

2010s Modern Diamond More Rings

Materials

Diamond, 18k Gold

18 Karat Gold and Diamonds Modern Italian Ring
Located in Valenza, IT
Fine modern Rose Gold Ring, with Diamonds ct. 0.18, handmade in Italy by Roberto Casarin. Modern and contemporary, the octagonal-shaped design completed with fine diamonds will add ...
Category

2010s Modern Diamond More Rings

Materials

Diamond, Gold, 18k Gold, Rose Gold

Kahn 1.11 Carat Colombia Emerald 18k White Gold Ring
Located in Tsim Sha Tsui, HK
This ring present a 1.11 carat cut Colombia Emerald set with white diamond and Chrysoprase which is a very special piece that we make recently after pink sapphire and blue sapphire, ...
Category

2010s Contemporary Diamond More Rings

Materials

Chrysophrase, White Diamond, Emerald, 18k Gold, White Gold

Georgios Collections 18 Karat Yellow Gold Emerald Ruby and Sapphire Diamond Ring
Located in Astoria, NY
This S.Georgios design multicolor ring is handmade from solid 18 Karat Yellow Gold. This Multicolour Byzantine style ring features Brilliant cut Diamonds total weight of 0.23 Carat, ...
Category

21st Century and Contemporary Byzantine Diamond More Rings

Materials

Diamond, White Diamond, Emerald, Multi-gemstone, Ruby, Sapphire, Blue Sa...

2.00 Carat Tanzanite Diamond 14 Karat White Gold Engagement Ring
Located in San Dimas, CA
This beautiful ring has a vivid 1.66 Carat Emerald Cut Tanzanite. The Tanzanite is surrounded by 26 Round Cut Diamonds that weigh 0.34 Carats. (Clarity: SI, Color: F) The total cara...
Category

2010s Contemporary Diamond More Rings

Materials

Diamond, Tanzanite, 14k Gold, White Gold

Retro 2.00 Carat Old Mine Cut Diamond Ruby Platinum Ring
Located in Beverly Hills, CA
Retro 2.00 Carat Plus Old Mine Cut Diamond Ruby Platinum Ring. The ring features an Old Mine Cut, approximately 0.60 carat, I color SI2 clarity, Old Mine Cut approximately 0.45 carat...
Category

1940s Retro Vintage Diamond More Rings

Materials

Diamond, Ruby, Platinum

Blue Sapphire with Diamond Ring Set in 18 Karat Gold Settings
Located in Bangkok, TH
Blue Sapphire 3.10 carats with Diamond 0.50 carat Ring set in 18 Karat Gold Settings Width: 2.1 cm Length: 1.3 cm Ring Size: 54 Total Weight: 13.95 grams "We first opened doors ...
Category

2010s Diamond More Rings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

18 Karat Gold Hand-Carved Agate Butterfly Diamond Contemporary Cocktail Ring
Located in Jaipur, Rajasthan
The process of making this ring set in 18k gold with sparkling diamonds, started just like that of a Butterfly. As the little caterpillar goes through the rigorous process of metamor...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Agate, Diamond, Gold, 18k Gold, Yellow Gold

9.03 Carat, Natural Fire Opal and Diamond Cocktail Ring Set in Platinum and 18k
Located in Tokyo, JP
A beautiful Cocktail Ring featuring a 9.03 Carat, Natural Mexican Fire Opal with very good play of color and 1.20 Carats of Diamond Accents set in both Platinum and 18K Yellow Gold. ...
Category

20th Century Modern Diamond More Rings

Materials

Fire Opal, Diamond, Opal, Platinum

GIA 14.71 Ct Paraiba & Fancy Yellow Diamond Flower Ring
Located in Miami, FL
Offered here is a one of a kind flower ring with moving petals. The ring is 18kt White, Yellow & Rose Gold set with 6 fancy to fancy intense yellow natural diamonds & one Paraiba tou...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Yellow Diamond, Paraiba, 18k Gold, White Gold, Yellow Gold

GIA Natural Turquoise Diamond Platinum Large Ballerina Cocktail Ring
Located in Miami, FL
GIA Certified Light Blue Turquoise & Diamond ballerina style sparkly ring, Crafted in solid Platinum, the center is adorned by a GIA certified Natural Bluish Green turquoise with im...
Category

1980s Retro Vintage Diamond More Rings

Materials

Diamond, Turquoise, Platinum

Platinum, Diamond and Amethyst Ring
Located in Aspen, CO
The natural vivid purple amethyst is cut in a high nipple cabochon, estimated to weigh 3.63 cts., and surrounded by 67 finely matched near colorless brilliant cut diamonds estimated ...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Amethyst, Diamond, Platinum

2.10 Carat "Cortney" Double Halo White & Pink Diamonds Ring in 14K White Gold
Located in Ramatgan, IL
2.10 Carat "Cortney" Double Halo White & Pink Diamonds Ring in 14K White Gold This gorgeous "Courtney" halo diamond ring is studded with a shiny 1.50 carat cushion cut diamond and ...
Category

2010s Art Deco Diamond More Rings

Materials

Diamond, Pink Diamond, 14k Gold, White Gold

Joke Quick Turquoise, Paraïba tourmalines & Diamond ring
Located in Antwerp, BE
One of a kind ring in 18K Rose gold 4,5 g & blackened sterling silver (The stones are set on silver to create a black background for the stones) Pave set with Turquoise cabochons 0,4...
Category

2010s Contemporary Diamond More Rings

Materials

Tourmaline, Paraiba, Diamond, Turquoise, Silver, 18k Gold

GIA Certified Art Deco Inspired Diamond Engagement Ring Set in Platinum
Located in London, GB
A beautiful Art Deco style diamond engagement ring set in platinum. The ring is set with a sparkly certified round brilliant cut diamond which is four claw set to centre. The diamon...
Category

2010s Art Deco Diamond More Rings

Materials

Diamond, Platinum

South Sea Metallic Grey Pearl Diamonds Emeralds Ring 18k White Gold, 1980
Located in Herzelia, IL
15 mm Grey South Sea Pearl Ring with round-cut Diamonds and Emeralds. It is a fine item perfectly representing the era it was made in. 1980es are in fashion again. Bold designer deci...
Category

1980s Vintage Diamond More Rings

Materials

Diamond, Emerald, Pearl, White Gold

Pink Sapphire and Black Diamonds Solitaire Ring Set in 18 Karat Yellow Gold
Located in London, GB
This elegant blossom solitaire ring combines beauty and style with a 0.84 ct light pink sapphire sitting at its centre complemented with 10 shimmering shoulder black diamonds. Made i...
Category

2010s Contemporary Diamond More Rings

Materials

Black Diamond, Pink Sapphire, 18k Gold, Yellow Gold

Emerald Cut Bicolor Ametrine Amethyst Citrine Ring White Diamond 14K Yellow Gold
Located in GREAT NECK, NY
14K Yellow Gold 1 Emerald Cut Naturally Bicolor Ametrine at 10.00 Carats - Measuring 15 x 11 6 Brilliant Round White Diamonds at 0.21 Carats - Color: H-I /Clarity: SI Alberto offers...
Category

2010s Contemporary Diamond More Rings

Materials

Amethyst, Citrine, Diamond, White Diamond, Yellow Gold, 14k Gold

Emma Chapman Aquamarine Diamond 18k Gold Silver Cocktail Ring
Located in Frome, GB
The one of a kind Emma Chapman Aquamarine Diamond 18k Gold Silver Cocktail Ring, has been handmade in our workshops. It features a gorgeous 9.70ct aquamarine which is flanked by two...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Aquamarine, Diamond, 18k Gold, Silver

GIA Certified 24.25ct Columbian Emerald with Diamond 3-Stone Ring Platinum & 18k
Located in BEVERLY HILLS, CA
Impressive Columbian emerald with diamond three stone ring. Created by Alexander of Beverly Hills. GIA certified 24.25 carat Columbian emerald complimented with 2 trilliant diamonds,...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold, Platinum

2.96 Carats Australian Blue Opal Kyanite and Diamond 18kt Yellow Gold Ring
Located in Jaipur, Jaipur
Celebrate eternal bond and beauty with opal, Presenting a stunning ring from our 'Aurora' collection featuring Australian Blue Opals weighing approximately 2.96 carats further accent...
Category

21st Century and Contemporary Modern Diamond More Rings

Materials

Diamond, Opal, Other, Gold, 18k Gold, Yellow Gold

6.95 Carat Amethyst Diamond Ring 14 Karat Yellow Gold
Located in Barnsley, GB
This is a unique Amethyst Ring with 55 diamonds and set in 14 Karat Yellow Gold and rare with 6.95 carat too. Let us know your size or looking for anything specific .While the word "...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Amethyst, Diamond, 14k Gold, Yellow Gold

Certified Unheated Cushion 3.01ct Ruby & Diamond Ring
Located in Calabasas, CA
This deep red spectacular and rare unheated 3.01ct Ruby is set in Platinum with two sides diamonds= 0.55cttw and round diamonds melee=0.44 Certified by AIGS
Category

2010s Modern Diamond More Rings

Materials

Diamond, Ruby, Platinum

18 Karat Gold Green Tourmaline and Diamonds Italian Ring
Located in Valenza, IT
Fine stylish Rose Gold ring, with a central Green Tourmaline ct. 2.02 and Diamonds ct. 0.28, handmade in Italy by Roberto Casarin. A lavish Green Tourmaline surrounded by fine Diamo...
Category

2010s Modern Diamond More Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold, Rose Gold

Gold and 1.60 Carats Diamonds Antique Belle Epoque Ring
Located in Saint-Ouen, FR
Very lovely antique ring, made in France circa 1900. Made in yellow gold 18k (horse head hallmark). The 3 principal diamonds weights 0.50 carats each estimate (0.55 the central and ...
Category

Early 1900s Belle Époque Antique Diamond More Rings

Materials

Diamond, Gold, 18k Gold

0.73 Carat Oval Opal Bezel Set Diamond Cocktail Ring Platinum in Stock
Located in Boca Raton, FL
Material: Platinum Center Gemstone Details: Approx. 0.73ctw Opal center gemstone Diamond Details: Approx. 0.29ctw of round and baguette cut Diamonds. Diamonds are G/H in color and VS...
Category

21st Century and Contemporary Diamond More Rings

Materials

Diamond, White Diamond, Opal, Platinum

1.25 Carat Natural Diamond 7 Stone Ring G SI 14 Karat White Gold
Located in New York, NY
1.25 Carat Natural Diamond Ring G SI 14K White Gold 100% Natural Diamonds, Not Enhanced in any way Round Cut Diamond Ring 1.25CT G-H SI 14K White Gold Prong style Size 7 7 stones R...
Category

21st Century and Contemporary Contemporary Diamond More Rings

Materials

Diamond, 14k Gold, White Gold

Vintage GIA Natural Red Coral Diamond Platinum 18k Gold Retro Cocktail Ring
Located in Miami, FL
Inspired by the retro 1980s style, displaying an intertwined design of gold & platinum, this is an extraordinary coral cocktail ring,  Crafted in solid heavy 18K yellow gold & Plati...
Category

1990s Retro Diamond More Rings

Materials

Coral, Diamond, 18k Gold, Platinum

1.20 Carat Emerald and Diamond Cocktail Ring
Located in Florence, IT
This Green Emerald and Diamond Sunflower Ring is set in 18Kt White Gold and from the Grand Collection. The largest jewelled collection. The Sunflower design sets the 1.20 carat Emer...
Category

21st Century and Contemporary Artisan Diamond More Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Antique and Vintage Diamond Jewelry and Watches

Diamonds and antique diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “Diamonds Are Forever” to “Diamonds are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim the stone for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education. Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamonds value decreases if there are many blemishes or inclusions), color (the less color the higher the grade, cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better). When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty.

Shop antique and designer diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.