2.85 Carat Art Deco Diamond Platinum Oval Brooch

1930’s Platinum Art Deco diamond brooch pendant necklace. Open work filigree diamond brooch with a fold up bale that converts it to a pendant n...

1920's Exquisite Old European Diamond Art Deco Domed Platinum Brooch. This stunning piece of jewelry boasts three Old European cut diamonds that combined, total an approximate carat ...

Vintage 1925 Art Deco amethyst and diamond brooch and pendant. This spectacular natural 29.54 carat a cushion cut Amethyst is mounted in a platinum frame with a halo of 36 old mine c...

1925 Art Deco Platinum filigree bar brooch. Set with an old European cut center diamond and old European cut accent diamonds. 1 center cut...

Circa 1900’s Edwardian Art Deco Platinum open work diamond filigree brooch. 1 old mine cut diamond approx. total weight .20cts, G, VS 22 old mine cut diamonds approx. total weight ...

Three-dimensional violin brooch pendant in solid platinum with pave and channel set diamonds. 24 straight baguette diamonds H-I SI, approx. .30ct 64 round diamonds H-I SI, approx. ....

A stunning antique 1930s 2.85 carat diamond and platinum brooch in the form of a bow; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive antique diamond brooch has been crafted in platinum. The brooch has been modelled in the form of a three-dimensional tied ribbon bow. The two platinum settings composing the bow loops are embellished with forty-two pavé set transitional modern brilliant round cut diamonds, in addition to a further six diamonds to the interior. The cut tails of the bow are ornamented with a further forty-three pavé set transitional modern brilliant round cut diamonds, paralleling the flowing nature of the ribbon. Both the bow loops and tails settings incorporate scalloped pierced decoration, enhancing the texture of the article. The bow's knot features six transitional modern brilliant round cut diamonds, completing the design. The brooch secures to the reverse with a hinged pin and clasp. This stunning antique bow brooch is hallmarked to the reverse with the mark for platinum (PLAT). This antique diamond bow brooch...

An exceptional, fine and impressive antique 2.85 carat natural ruby, 0.65 carat diamond and pearl, 9k yellow gold, silver set crescent, bar style brooch; part of the antique jewelry / estate jewelry collections. This antique crescent brooch...

A large, fine and impressive antique Victorian 2.85 carat diamond, 14 karat yellow gold, silver set jabot pin style brooch; part of our antique jewelry/estate jewelry collections. This impressive antique Victorian jabot pin style brooch has been crafted in 14k yellow gold in the form of a sword and scabbard. The scroll decorated hilt is embellished with a total of forty-eight Old European round cut diamonds, graduating in size, and silver set to the pierced decorated design. Each terminal of the quillon is ornamented with an individually set Old European round cut diamond. Eighteen further Old European round cut diamonds, also graduating in size, ornament the silver set push fit scabbard. The scabbard and hilt are both fitted with securing pins to the reverse, and joined with a rope twist 14k yellow gold security chain accented with a feature pearl. This antique pin-style brooch is supplied with an independent diamond grading report card. Condition This exceptional Jabot pin Victorian...

A very fine and impressive vintage 6.85 carat Old European round cut diamond, 1.10 carat ruby and platinum, flower spray brooch: part of our diverse brooch collection. This stunning vintage flower spray diamond brooch has been crafted in platinum. The vintage brooch has been modelled in the form of a floral spray, consisting of two flowers and foliage tied with a ribbon. The two flower heads are each ornamented with a claw set mixed cut natural ruby, encircled by six individually claw set Old European round cut diamonds, varying in size. The ribbon design, securing the platinum stems of the flowers, is embellished with three channel set calibre cut rubies. The brooch is further ornamented with realistically modelled leaves in relief. This impressive platinum vintage ruby brooch...

This Art Deco diamond and sapphire brooch is the epitome of Deco style. The symmetry, the geometry, antique diamonds and sapphir...

A simple and elegant Art Deco brooch. The brooch has a center bezel set old European cut marquise Diamond. The marquise is set with 74 old European cut and single cut Diamonds thro...