GIA Jewelry & Watches

GIA Emerald Natural Diamond 1.60ct F/VS1 Loose GIA XX $2000 Credit, Inscription

$12,799Sale Price|25% Off

GIA Emerald Natural Diamond 1.60ct F/VS1 Loose GIA XX $2000 Credit, Inscription

By GIA

Located in San Diego, CA

Exquisite loose 1.60ct emerald-cut diamond certified by GIA with laser inscription number 1175388529. F Color and VS1 Clarity with no fluorescence. The diamond has excellent polish a...

Category

2010s American Modern GIA Jewelry & Watches

Materials

Diamond, Alexandrite, Amethyst, Aquamarine, Blue Diamond, Yellow Diamond...

Natural 0.62ct Gia Fancy Yellow VVS2 Oval Brilliant Cut Loose Diamond

$2,350

Natural 0.62ct Gia Fancy Yellow VVS2 Oval Brilliant Cut Loose Diamond

By GIA

Located in Houston, TX

One loose diamond described as follows... In excellent condition. Pre-owned in excellent condition. Might show minor signs of wear. One (1) oval brilliant cut natural diamond: Mea...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond

GIA 18ct White Gold Diamond Engagement Ring 1.01ct 3.62g

$5,259Sale Price|20% Off

GIA 18ct White Gold Diamond Engagement Ring 1.01ct 3.62g

By GIA

Located in SYDNEY, NSW

An elegant 18ct white gold custom made engagement ring featuring a single round brilliant cut diamond as the centrepiece. This classic solitaire design offers a timeless and refined ...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA 18ct Yellow Gold & Platinum Diamond Engagement Ring 1.37ct 3.7g

$5,950Sale Price|31% Off

GIA 18ct Yellow Gold & Platinum Diamond Engagement Ring 1.37ct 3.7g

By GIA

Located in SYDNEY, NSW

This GIA engagement ring is expertly crafted in 18ct yellow gold with a platinum setting, showcasing a stunning GIA-certified round brilliant cut diamond at its centre. The centre di...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

GIA 18ct White Gold Diamond Engagement Ring 2.83ct 7.72g

$16,995Sale Price|47% Off

GIA 18ct White Gold Diamond Engagement Ring 2.83ct 7.72g

By GIA

Located in SYDNEY, NSW

This striking diamond engagement ring is crafted in 18ct white gold and showcases a beautifully proportioned princess-cut diamond at its centre. The principal diamond weighs 1.63 car...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA White Gold Asscher Cut Engagement Ring 1.56ct

$14,990Sale Price|25% Off

GIA White Gold Asscher Cut Engagement Ring 1.56ct

By GIA

Located in SYDNEY, NSW

Unique features: GIA White Gold Asscher Cut Engagement Ring 1.56ct 18ct white gold, combination machine and handmade halo style diamond....

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, White Gold

GIA 18ct White Gold Round Brilliant Cut Diamond Engagement Ring 1.50ct

$21,950Sale Price|40% Off

GIA 18ct White Gold Round Brilliant Cut Diamond Engagement Ring 1.50ct

By GIA

Located in SYDNEY, NSW

This classic engagement ring is crafted in 18ct white gold and showcases a stunning GIA-certified round brilliant cut diamond weighing 1.50ct. The centre stone is graded D colour a...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA 18ct White Gold Diamond Engagement Ring 1.28ct

$5,000

GIA 18ct White Gold Diamond Engagement Ring 1.28ct

By GIA

Located in SYDNEY, NSW

This stunning GIA diamond engagement ring is crafted in 18ct white gold, featuring a breathtaking 1.00ct pear-shaped diamond at its centre. The diamond is graded F colour and SI2 cla...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA Yellow Gold Diamond Solitaire Ring 0.80ct

$5,595Sale Price|40% Off

GIA Yellow Gold Diamond Solitaire Ring 0.80ct

By GIA

Located in SYDNEY, NSW

Unique features: Yellow Gold Diamond Ring 0.80ct Metal: 18ct Yellow Gold Carat: 0.80ct Colour: G Clarity: SI2 Cut: N/A Weight: N/A Engravings/Markings: N/A Size/Measurement: N/A Current Condition: Excellent Accompanied by: This GIA Yellow...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, Yellow Gold

Natural Emerald Cut Diamond in a 0.33 Carat F VVS2, GIA Cert

$649

Natural Emerald Cut Diamond in a 0.33 Carat F VVS2, GIA Cert

Located in רמת גן, IL

Natural emerald cut diamond in a 0.33 carat F VVS2 graded by GIA Laboratory with beautiful cut and shine. This diamond comes with GIA Certificate and laser inscription number. GIA 7...

Category

2010s Israeli GIA Jewelry & Watches

Materials

Diamond

GIA Certified 1.11ct Fancy Vivid Greenish Blue Diamond, Marquise, VVS2

$4,797Sale Price|49% Off

W 0.21 in D 0.13 in L 0.45 in

GIA Certified 1.11ct Fancy Vivid Greenish Blue Diamond, Marquise, VVS2

Located in New York, NY

A striking expression of rarity and refinement. This marquise brilliant-cut diamond shimmers with a Fancy Vivid Greenish Blue color — an extraordinary hue reminiscent of tropical wat...

Category

2010s GIA Jewelry & Watches

Materials

Blue Diamond

Vintage 1980’s 18ct White Gold, Diamond Single Stone Engagement Ring

$1,380

Vintage 1980’s 18ct White Gold, Diamond Single Stone Engagement Ring

Located in Brighton, GB

Vintage Engagement Ring 18ct White Gold- Stamped 750 Makers Mark L B Ld Pretty, vintage solitaire engagement ring. Set with a lovely prong-set, natural diamond. Mounted on an 18ct...

Category

Late 20th Century English GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

1 pc Natural Diamond - 0.50 ct - Radiant - I - VS1- GIA Certificate

$770

1 pc Natural Diamond - 0.50 ct - Radiant - I - VS1- GIA Certificate

Located in רמת גן, IL

Natural Cut-Cornered Rectangular modified diamond in a 0.50 carat I VS2 with Beautiful cut and shine. This diamond comes with an GIA Certificate seale...

Category

2010s Israeli GIA Jewelry & Watches

Materials

Diamond

1.10ct Diamond Halo Solitaire Engagement Ring In 18ct White Gold

$1,942

1.10ct Diamond Halo Solitaire Engagement Ring In 18ct White Gold

Located in London, GB

1.10ct Diamond Halo Solitaire Engagement Ring In 18ct White Gold This exquisite engagement ring boasts a stunning natural diamond as its centrepiece, perfectly cut into a round shape...

Category

21st Century and Contemporary British Modern GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA Certified 1.35ct Fancy Vivid Greenish Blue Diamond, Emerald Cut, VS1

$7,497Sale Price|49% Off

W 0.24 in D 0.16 in L 0.24 in

GIA Certified 1.35ct Fancy Vivid Greenish Blue Diamond, Emerald Cut, VS1

Located in New York, NY

A masterpiece of precision and color. This emerald-cut diamond glows with a mesmerizing Fancy Vivid Greenish Blue hue — a rare and enchanting tone that evokes the depth of the sea an...

Category

2010s GIA Jewelry & Watches

Materials

Blue Diamond

18ct Gold & Platinum Edwardian 5 Stone Diamond Engagement Anniversary Ring

$893

18ct Gold & Platinum Edwardian 5 Stone Diamond Engagement Anniversary Ring

Located in Brighton, GB

Antique Diamond Ring 18ct Gold & Platinum Stamped Makers Mark R N This Edwardian 5-stone diamond ring is a true masterpiece of art and craftsmanship. The diamonds are beautiful...

Category

Early 20th Century European Edwardian GIA Jewelry & Watches

Materials

Diamond, Gold, 18k Gold, Platinum

GIA 1.01ct Cushion Fancy Yellow Diamond with Diamond Halo Ring 18k White Gold

$6,412Sale Price|20% Off

GIA 1.01ct Cushion Fancy Yellow Diamond with Diamond Halo Ring 18k White Gold

Located in BEVERLY HILLS, CA

Stunning fancy yellow color diamond diamond with halo ring. 1.78 carats total diamond weight. 1.01 carat cushion Fancy Yellow VS2 diamond, GIA graded. Complimented by 26 round brilliant diamonds, 0.77 carats. Approximately G/H color and SI clarity. 18k white gold with yellow gold prongs...

Category

21st Century and Contemporary American Contemporary GIA Jewelry & Watches

Materials

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

GIA Certified 4.00ct Asscher‑Cut Diamond Halo Engagement Ring in 18K White Gold

$128,800Sale Price|20% Off

GIA Certified 4.00ct Asscher‑Cut Diamond Halo Engagement Ring in 18K White Gold

Located in Jaipur, RJ

Commanding yet refined, this handcrafted masterpiece centers on a 4.00‑carat natural Asscher‑cut diamond, renowned for its hypnotic hall‑of‑mirrors effect. Certified by GIA and grade...

Category

2010s Indian Art Deco GIA Jewelry & Watches

Materials

Diamond, White Gold, 18k Gold

Diamond Solitaire Ring Set With 1.01ct K/VS2 Emerald Cut Diamond, In 18ct Gold

$5,341

Diamond Solitaire Ring Set With 1.01ct K/VS2 Emerald Cut Diamond, In 18ct Gold

Located in London, GB

This gorgeous solitaire diamond ring set with 1.01ct K/VS2 natural emerald cut diamond set in 18ct yellow gold 3 band setting can make a perfect engagement ring. Total Diamond Wei...

Category

2010s British Modern GIA Jewelry & Watches

Materials

Diamond, Gold, 18k Gold

Antique 18ct Yellow Gold & Platinum, Edwardian Sapphire and Diamond Target Ring

$3,436

Antique 18ct Yellow Gold & Platinum, Edwardian Sapphire and Diamond Target Ring

Located in Brighton, GB

Antique Sapphire Bombe Ring 18ct Gold & Platinum Circa 1910 Step back into the elegance of the Edwardian era with this stunning bombe/domed oval-shaped ring, designed to provide e...

Category

Early 20th Century European Edwardian GIA Jewelry & Watches

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold, Platinum

Antique 18ct Yellow Gold & Platinum, Edwardian Amethyst and Diamond Ring

$3,468

Antique 18ct Yellow Gold & Platinum, Edwardian Amethyst and Diamond Ring

Located in Brighton, GB

Antique Amethyst Ring 18ct Yellow Gold & Platinum Tested Circa 1910 This stunning Edwardian-era ring features an exquisite emerald-cut amethyst set in a platinum open work setting...

Category

Early 20th Century English Edwardian GIA Jewelry & Watches

Materials

Amethyst, Diamond, 18k Gold, Yellow Gold, Platinum

Previously Available Items

GIA 18ct White Gold Diamond Engagement Ring 1.47ct 2.31g

Sold

GIA 18ct White Gold Diamond Engagement Ring 1.47ct 2.31g

By GIA

Located in SYDNEY, NSW

A classic and elegant 18ct white gold diamond engagement ring featuring a four-claw set round brilliant cut centre diamond with diamond-set shoulders. A timeless solitaire style with...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA 18ct White Gold Diamond Ring 0.40ct 2.73g

Sold

GIA 18ct White Gold Diamond Ring 0.40ct 2.73g

By GIA

Located in SYDNEY, NSW

This elegant diamond ring is crafted in 18ct white gold, showcasing a 0.40ct round brilliant-cut diamond (H colour, VS2 clarity, excellent cut, 4.71–4.75 x 2.95mm) as the centrepiece...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA 18ct White Gold Diamond Engagement Ring 0.68ct

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GIA 18ct White Gold Diamond Engagement Ring 0.68ct

By GIA

Located in SYDNEY, NSW

This exquisite engagement ring is crafted in 18ct white gold, showcasing a GIA-certified round brilliant cut diamond of exceptional quality - 0.54ct, E colour, and Internally Flawles...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA Platinum Princess Cut Diamond Engagement Ring 1.56ct

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GIA Platinum Princess Cut Diamond Engagement Ring 1.56ct

By GIA

Located in SYDNEY, NSW

A timeless platinum engagement ring featuring a stunning 1.56ct princess cut diamond, elegantly set in a secure four L-shaped claw setting on a gently tapered polished band. The cent...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, Platinum

GIA 18ct White Gold Emerald Cut Diamond Engagement Ring 1.59ct

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GIA 18ct White Gold Emerald Cut Diamond Engagement Ring 1.59ct

By GIA

Located in SYDNEY, NSW

A beautifully handcrafted 18ct white gold engagement ring featuring a narrow, low half-round parallel shank with a straight underrail and polished finish. The centre is set with a GI...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA Platinum Round Brilliant Cut Diamond Engagement Ring 1.56ct

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GIA Platinum Round Brilliant Cut Diamond Engagement Ring 1.56ct

By GIA

Located in SYDNEY, NSW

This elegant diamond engagement ring is crafted in premium 950 platinum and features a GIA-certified 1.56ct round brilliant cut diamond. The diamond is graded G colour and VS1 clarit...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, Platinum

18ct White Gold GIA Cushion Cut Diamond Engagement Ring 1.52ct

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18ct White Gold GIA Cushion Cut Diamond Engagement Ring 1.52ct

By GIA

Located in SYDNEY, NSW

This timeless engagement ring is crafted in 18ct white gold and features a dazzling GIA 1.00ct cushion-cut diamond, securely held in a classic claw setting. The centre diamond is gra...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA 14ct White Gold Marquise Diamond Ring 3.52ct

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GIA 14ct White Gold Marquise Diamond Ring 3.52ct

By GIA

Located in SYDNEY, NSW

This remarkable custom-made diamond ring is crafted in 14ct white gold, showcasing a truly rare and breathtaking centre stone. The ring features a 3.02ct marquise brilliant-cut diamo...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 14k Gold, White Gold

GIA 18ct White Gold Princess Cut Diamond Engagement Ring 1.72ct 6.55g

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GIA 18ct White Gold Princess Cut Diamond Engagement Ring 1.72ct 6.55g

By GIA

Located in SYDNEY, NSW

This exquisite Tacori designer engagement ring is finely crafted in 18ct white gold, showcasing a certified 1.02ct princess cut diamond as the centrepiece. Graded by GIA as I colour ...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA Platinum Cushion Cut Diamond Ring 2.00ct 8.95g

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GIA Platinum Cushion Cut Diamond Ring 2.00ct 8.95g

By GIA

Located in SYDNEY, NSW

This elegant platinum GIA certified diamond ring showcases a 1.20ct cushion cut diamond, GIA certified and graded D colour and SI1 clarity, set in a refined four-claw setting. The di...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, Platinum

GIA 18ct White Gold Emerald Cut Diamond Halo Ring 2.15ct 5.20g

Sold

GIA 18ct White Gold Emerald Cut Diamond Halo Ring 2.15ct 5.20g

By GIA

Located in SYDNEY, NSW

This exceptional GIA certified emerald cut diamond cluster ring is masterfully crafted in 18ct white gold, showcasing a breathtaking 1...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, 18k Gold, White Gold

GIA Platinum Oval Brilliant Cut Diamond Solitaire Ring 0.80ct 4.08g

Sold

GIA Platinum Oval Brilliant Cut Diamond Solitaire Ring 0.80ct 4.08g

By GIA

Located in SYDNEY, NSW

This elegant platinum solitaire ring features a stunning GIA certified 0.80ct oval brilliant-cut diamond, secured in a timeless four-claw setting on a slender 2mm band. The diamond i...

Category

21st Century and Contemporary GIA Jewelry & Watches

Materials

Diamond, Platinum

Gia jewelry & watches for sale on 1stDibs.

Find a range of GIA jewelry & watches available on 1stDibs. Each of these unique items was designed with extraordinary care, often using gold. While looking for the most stylish antique or vintage GIA jewelry to pair with your ensemble, you’ll find that GIA diamond jewelry & watches, from our inventory of 12, can add a particularly distinctive touch to your look. We have 12 pieces in this collection as well as a number of other designs by this jeweler. While this collection reflects work that originated over various time periods, most of these items were designed during the 21st century and contemporary. If you’re looking for additional options, many customers also consider jewelry & watches by Verma, Blue NIle, and Alan Friedman. Prices for GIA jewelry & watches can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $2,599 and tops out at $19,995, while pieces like these, on average, can sell for $7,949.

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Questions About GIA Jewelry & Watches

Is a GIA diamond worth it?
1 Answer
1stDibs ExpertSeptember 16, 2024
Yes, many jewelry lovers believe that a GIA diamond is worth it. The Gemological Institute of America (GIA) gives its certification only to diamonds that meet high standards in terms of their color, clarity and cut. Purchasing a GIA-certified diamond can be a way to feel confident about the quality of the gemstone you receive. However, whether or not it’s worth investing in GIA-certified diamonds is totally subjective! At 1stDibs, we believe in buying what you love. Our shopping experience enables discovery and learning, whether you are a seasoned connoisseur or just beginning your collection. On 1stDibs, shop a wide range of diamond jewelry from some of the world's top sellers.
Are GIA diamonds worth more?
1 Answer
1stDibs ExpertAugust 20, 2024
Yes, in many cases, GIA diamonds are worth more. To gain Gemological Institute of America (GIA) certification, a diamond must meet very high standards. As a result, diamonds that carry the certification usually have high color, cut and clarity ratings, making them more valuable than gemstones that can't meet the standards established by the GIA. Also, people may be more willing to pay high prices for GIA-certified diamonds because the certification is a testament to their quality. Shop a large selection of diamond jewelry on 1stDibs.
What does GIA mean in jewelry?
1 Answer
1stDibs ExpertMarch 25, 2024
In jewelry, GIA means the Gemological Institute of America. Founded in 1931, it is a nonprofit organization that conducts research on and educates the public about gemstones. During the 1950s, GIA unveiled a grading system to help consumers evaluate diamonds, and you will still see GIA ratings used today to describe the cut, clarity and color of gemstones. On 1stDibs, explore a wide range of jewelry.
Are Cartier diamonds GIA certified?
1 Answer
1stDibs ExpertApril 5, 2022
Yes, 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.
What does it mean if a diamond is GIA certified?
1 Answer
1stDibs ExpertFebruary 22, 2021
When 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.
What is GIA certified diamond rings?
1 Answer
1stDibs ExpertAugust 17, 2021
In 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.
Are GIA diamonds real or fake?
1 Answer
1stDibs ExpertOctober 7, 2024
GIA diamonds are real. The Gemological Institute of America, or GIA, only certifies real diamonds that meet the organization's cut, clarity and color standards. Both naturally mined diamonds and human-made lab-created diamonds can be GIA-certified. On 1stDibs, shop a wide variety of diamond jewelry from some of the world's top sellers.
Are Neil Lane diamonds GIA-certified?
1 Answer
1stDibs ExpertMarch 22, 2022
Whether 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.
Do diamond studs need to be GIA-certified?
1 Answer
1stDibs ExpertFebruary 13, 2023
While 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.
Is it worth buying a GIA-certified diamond?
1 Answer
1stDibs ExpertAugust 15, 2024
Many experts believe that buying a GIA-certified diamond is worth it. The Gemological Institute of America (GIA) has a well-established reputation for providing accurate, trustworthy ratings and certifications. A diamond that carries a GIA certification has undergone rigorous examinations and tests to assess its quality, which can make it a good investment. Find a diverse assortment of diamond jewelry on 1stDibs.