Gia Certified Gemstone
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
2010s Unknown Loose Gemstones
Tsavorite
2010s American Modern Loose Gemstones
Diamond
21st Century and Contemporary Sri Lankan Artisan Loose Gemstones
Alexandrite, Chrysoberyl
2010s African Artisan Loose Gemstones
Blue Sapphire
21st Century and Contemporary Unknown Loose Gemstones
Alexandrite
21st Century and Contemporary Unknown Loose Gemstones
Alexandrite
2010s Sri Lankan Loose Gemstones
Blue Sapphire
21st Century and Contemporary Sri Lankan Artisan Loose Gemstones
Alexandrite, Chrysoberyl
21st Century and Contemporary Malagasy Contemporary Loose Gemstones
Chrysoberyl
21st Century and Contemporary Loose Gemstones
Blue Sapphire
21st Century and Contemporary Artisan Loose Gemstones
Emerald
21st Century and Contemporary Brazilian Artisan Loose Gemstones
Aquamarine
21st Century and Contemporary Sri Lankan Artisan Loose Gemstones
Alexandrite, Chrysoberyl
21st Century and Contemporary Colombian Artisan Loose Gemstones
Emerald
21st Century and Contemporary Brazilian Artisan Loose Gemstones
Emerald
21st Century and Contemporary South American Artisan Loose Gemstones
Citrine, Quartz
21st Century and Contemporary Brazilian Loose Gemstones
Alexandrite
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Loose Gemstones
Chrysoberyl
21st Century and Contemporary Brazilian Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Malagasy Modern Loose Gemstones
Chrysoberyl, Other
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Thai Artisan Loose Gemstones
Ruby
21st Century and Contemporary Artisan Loose Gemstones
Topaz, Imperial Topaz
21st Century and Contemporary Malagasy Artisan Loose Gemstones
Sapphire, Blue Sapphire
21st Century and Contemporary Artisan Loose Gemstones
Sapphire, Padparadscha Sapphire
21st Century and Contemporary Sri Lankan Artisan Loose Gemstones
Sapphire, Yellow Sapphire
21st Century and Contemporary Artisan Loose Gemstones
Spinel
20th Century American Contemporary Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Loose Gemstones
Topaz
21st Century and Contemporary Artisan Loose Gemstones
Tourmaline
21st Century and Contemporary Burmese Modern Loose Gemstones
Ruby
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Mozambican Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Unknown Loose Gemstones
Tourmaline
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Sapphire
21st Century and Contemporary Artisan Loose Gemstones
Garnet
21st Century and Contemporary Artisan Loose Gemstones
Sapphire, Blue Sapphire
21st Century and Contemporary Brazilian Artisan Loose Gemstones
Tourmaline, Paraiba
21st Century and Contemporary Sri Lankan Artisan Loose Gemstones
Sapphire, Blue Sapphire
21st Century and Contemporary Artisan Loose Gemstones
Spinel
21st Century and Contemporary Unknown Artisan Loose Gemstones
Sapphire, Pink Sapphire
21st Century and Contemporary African Artisan Loose Gemstones
Sapphire, Purple Sapphire
21st Century and Contemporary Artisan Loose Gemstones
Spinel
21st Century and Contemporary Tanzanian Loose Gemstones
Tanzanite
21st Century and Contemporary Art Nouveau Loose Gemstones
Blue Sapphire
21st Century and Contemporary Loose Gemstones
Diamond
21st Century and Contemporary Loose Gemstones
Diamond
21st Century and Contemporary Unknown Loose Gemstones
Other
21st Century and Contemporary Unknown Loose Gemstones
Other
2010s Brazilian Loose Gemstones
Alexandrite
2010s Brazilian Loose Gemstones
Morganite
2010s Burmese Loose Gemstones
Peridot
2010s Brazilian Loose Gemstones
Aquamarine
2010s Brazilian Loose Gemstones
Aquamarine
2010s Brazilian Loose Gemstones
Aquamarine
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Gia Certified Gemstone For Sale on 1stDibs
How Much is a Gia Certified Gemstone?
- 1stDibs ExpertApril 5, 2022Yes, Cartier diamonds are indeed GIA certified. The Gemological Institute of America (GIA) works closely with Cartier and certifies everything from the cut and clarity to the color of the gem. Shop a collection of expertly vetted Cartier jewelry from some of the world’s top sellers on 1stDibs.
- 1stDibs ExpertAugust 17, 2021In the United States, diamond rings are certified by an official gemological laboratory known as the Gemological Institute of America. A certified diamond ring means that the diamond has undergone a quality analysis by experts at an institution such as the GIA and these experts have issued a lab report that is indicative of the grading process.
- 1stDibs ExpertFebruary 22, 2021When a diamond is GIA certified, it means that the stone has undergone the meticulous set of grading procedures that have been established by the Gemological Institute of America. The GIA is not a jeweler — it is an independent, nonprofit group that sets the standards for determining the quality of a diamond.
- 1stDibs ExpertFebruary 13, 2023While diamond studs don't need to be GIA-certified to be sold, experts typically recommend that you only purchase diamonds that carry certification from the Gemological Institute of America (GIA) or Authentic Gem Security Lab (AGSL). Certifications bring transparency to the buying process, allowing you to know the level of quality of a diamond before you purchase it. Shop a collection of vintage and modern diamond gemstone earrings from some of the world’s top jewelers on 1stDibs.
- 1stDibs ExpertMarch 22, 2022Whether Neil Lane diamonds are GIA-certified or not depends on the piece. All of the diamonds featured in rings and other jewelry designs from the Neil Lane Couture collection do carry GIA certification. Pieces made for third-party retailers may not. On 1stDibs, find a collection of Neil Lane jewelry.