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Gia Certified No Heat

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GIA Certified No Heat Cushion Ruby
Located in Great Neck, NY
GIA Certified No Heat Ruby Cushion Shape 1.23 cts (7.55x6.06x2.61) mm
Category

2010s American Modern Loose Gemstones

Materials

Ruby

GIA Certified No Heat 4 Carat Red Spinel Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified NO HEAT 4 Carat Red Spinel Oval Diamond Ring
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, White Diamond, Spinel, Platinum

GIA Certified No Heat Red Ruby and Diamond Stud Earrings
Located in Beverly Hills, CA
GIA certified No Heat Thai ruby and diamond yellow gold stud earrings! Each earring has an
Category

21st Century and Contemporary Thai Contemporary Stud Earrings

Materials

Diamond, White Diamond, Ruby, 14k Gold, Yellow Gold

GIA Certified No Heat Color Change 3.25 Carat Violet-Blue Sapphire Ring
By Gad & Co.
Located in Miami, FL
GIA Certified No Heat Color Change Blue Sapphire and Diamond Ring. Center Stone Sapphire exhibits
Category

21st Century and Contemporary North American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Purple Sapphire, Gold, 18k Gold, White...

Platinum 10.80 Carat GIA Certified No Heat Blue Star Sapphire CAB & Diamond Ring
Located in Los Angeles, CA
A stunning and elegant Natural Unheated Blue Star Sapphire GIA certified. NO HEAT TREATMENT. The
Category

2010s North American Modern Cocktail Rings

Materials

Blue Sapphire, Diamond, Star Sapphire, Platinum

GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone
By OGI Ltd
Located in New York, NY
Introducing the Exquisite GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Elevate your
Category

20th Century American Contemporary Loose Gemstones

Materials

Ruby

GIA Certified No Heat Myanmar Ruby 1.48 Carat Diamond 1.20 Carat Platinum Ring
By OGI Ltd
Located in New York, NY
Introducing a Spectacular GIA Certified No Heat Myanmar Ruby & 1.48 Carat Diamond Platinum Ring - A
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Emilio Jewelry GIA Certified No Heat Burma Sapphire Ring
By Emilio!
Located in New York, NY
: Gia certified no heat 4.90ct + Burmese Sapphire Matching: White diamonds total about 4.29 carats set
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire

GIA Certified No Heat Cushion Ruby
Located in Great Neck, NY
GIA Certified Cushion Ruby 1.36 cts (7.25x6.80x3.00) mm NO HEAT
Category

2010s Unknown Modern Loose Gemstones

Materials

Ruby

GIA Certified No Heat Green-Blue Sapphire & Diamond 18k White Gold Cluster Ring
Located in Tustin, CA
We are pleased to offer this GIA Certified No Heat Green-Blue Sapphire & Diamond 18k White Gold
Category

1990s Contemporary Cluster Rings

Materials

Diamond, Green Sapphire, 18k Gold, White Gold

GIA Certified No Heat Burma Carved Ruby Diamond 4.69 Carat Rose Gold Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA Certified No Heat Burma Carved Ruby, weighing 4.34 carat and Diamond
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold, Rose Gold

GIA Certified No Heat Cabochon Ruby Diamond 14.74 Carat 18 Karat Cocktail Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA certified No Heat Cabochon Ruby Diamond and 18 Karat White Gold
Category

2010s American Contemporary Cocktail Rings

Materials

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

GIA Certified No Heat Pear Shape Carving Natural Sapphire Weighing 4.70 Carats
By OGI Ltd
Located in New York, NY
GIA-certified No Heat Pear Shape Carving Natural Sapphire weighing 4.70 carats can be considered a
Category

Early 20th Century Burmese Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified No Heat Star Ruby in Vintage Platinum Ring Signed Dreicer & Co.
By Dreicer & Co.
Located in Miami, FL
GIA certified no heat star ruby or Sri Lanka origin. Ring set in platinum with 54 single cut
Category

Vintage 1960s American Art Deco Cocktail Rings

Materials

Ruby, Diamond, Star Ruby, Platinum

GIA Certified No Heat Burma Ruby 1.63 Carat Diamond 0.90 Carat Platinum Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA Certified No Heat Rare Burma Magok Mined Ruby , weighing 1.62 carat
Category

2010s American Contemporary Cluster Rings

Materials

Diamond, Ruby, Platinum

GIA Certified No Heat Burma Ruby 1.95 Carat Diamond 1.20 Carat Platinum Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA Certified No Heat Rare Burma Magok Mined Ruby, weighing 1.95 carat
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified No Heat Blue Sapphire and Diamond 18K Gold Cable Choker Necklace
Located in Miami, FL
GIA certified no heat, untreated, Blue Sapphire mounted in an 18-karat gold bezel set choker
Category

2010s Art Deco Choker Necklaces

Materials

Diamond, Blue Sapphire, 18k Gold, Yellow Gold

GIA Certified No Heat Sapphire 6.46 Carat Diamond 0.75 Carat White Gold Ring 5.5
By OGI Ltd
Located in New York, NY
GIA Certified No Heat Sapphire 6.46 Carat Diamond 0.75 Carat 14 Karat White Gold Ring 5.5 This
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 14k Gold, White Gold

GIA Certified No Heat Cushion Ruby Half Moon Diamond Platinum Cocktail Ring
By OGI Ltd
Located in New York, NY
-carat cushion-cut ruby, proudly certified by the Gemological Institute of America (GIA) as a NO HEAT
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified No Heat Burma Carved Rubies Diamond 1.85 Carat Gold Earrings
By OGI Ltd
Located in New York, NY
Certified No Heat Burma Rubies delicately cradled in a halo of dazzling diamonds. Each earring boasts a
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

GIA Certified No Heat Ceylon Pink Sapphire Diamond 2.14 Carat 18 Karat Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite and truly one-of-a-kind GIA Certified No Heat Ceylon Pink Sapphire 1.34
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Pink Sapphire, Gold, 18k Gold, White Gold

GIA Certified No-Heat Sapphire and Diamond Ring
Located in New York, NY
Yellow Gold Ring Size: 6 Total Weight: 5.0 grams GIA Report No. 5222826062 Origin: Cambodia
Category

20th Century Band Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Yellow Sapphire & Diamond Ring GIA Certified No-Heat
Located in Southbury, CT
It is like your own private sun: a bright yellow, 2.87-carat natural yellow sapphire, GIA certified
Category

Late 20th Century Artisan Cocktail Rings

Materials

Diamond, Yellow Sapphire, 18k Gold, Platinum

GIA Certified, No Heat, 60 Ct Pink Sapphire & 25 Ct Diamond Necklace Suite 18 Kt
Located in New York, NY
GIA Certified, No Heat, Medagaskar natural 60 Ct Pink Sapphire & 25 Ct Diamond Necklace Suite 18
Category

20th Century Drop Necklaces

Materials

Diamond, Pink Sapphire, 18k Gold

GIA Certified No Heat Burma Ruby 9.80 Carat Diamond Circles White Gold Earrings
By OGI Ltd
Located in New York, NY
master carver, GIA Certified no heat rubies, Known for their deep red hue and exceptional clarity, these
Category

2010s American Contemporary Drop Earrings

Materials

Diamond, Ruby, Gold, 14k Gold, White Gold

1.36 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.36 Carats (8.41x5.95x3.12) mm NO HEAT
Category

2010s Modern Loose Gemstones

Materials

Ruby

1.51 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.51 Carats (9.26x6.14x3.23) mm NO HEAT
Category

2010s Modern Loose Gemstones

Materials

Ruby

1.49 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.49 Carats (8.67x5.42x3.65) mm NO HEAT
Category

2010s Modern Loose Gemstones

Materials

Ruby

GIA Certified No Heat Burma Star Ruby Engagement Ring
Located in Santa Barbara, CA
others with the most saturated color and purest red fluorescent emission. This no heat ruby is certified
Category

Vintage 1920s Edwardian Engagement Rings

Materials

Diamond, Ruby, Star Ruby, 18k Gold, Yellow Gold, Platinum

Orianne GIA Certified No-Heat Ruby Pear-Shaped Ring
Located in New York, NY
Platinum GIA Report #: 5192710836 Shape: Pear Natural Ruby - No Heat Carat: 1.17 ct twd Diamond
Category

21st Century and Contemporary More Rings

Materials

Ruby, Platinum

GIA Certified No Heat Burma Ruby Ring with Diamonds
Located in Miami, FL
accompanied by GIA report #2193963124, stating the ruby is 1.42 carats, Burma origin, with no indication of
Category

Antique 1890s Unknown Victorian Cocktail Rings

Materials

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

GIA Certified No Heat 7.71 Carat Sapphire Diamond Ring
Located in New York, NY
This stunning 18k gold ring features a lovely cushion cut GIA certified sapphire that weighs 7.71ct
Category

20th Century Cocktail Rings

Materials

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

GIA Certified NO HEAT Blue Sapphire Pear Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
incredible play of light! The sapphire is also GIA certified as completely unheated! The vast majority of
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Blue Sapphire, 18k Gold

Gübelin and GIA Certified No Heat Burma Sapphire Diamond Earrings
Located in Bal Harbour, FL
heat treatment, and the diamonds are all GIA certified from D-E color and IF-VS2 clarity. The finest
Category

2010s American Modern Clip-on Earrings

Materials

Diamond, Sapphire, Platinum

GIA Certified No Heat Pink/Purple Sapphire Diamond Engagement Ring
Located in Hong Kong, HK
EJ 1193 American Gem Lab certified no heat pink/purple Sapphire and Diamond Engagement Ring. An
Category

21st Century and Contemporary Hong Kong Contemporary Engagement Rings

Materials

Diamond, Sapphire, Purple Sapphire, 18k Gold, White Gold

7.84 Carat Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
has a bright and brilliant light-blue color that shines brightly. The sapphire is certified by the GIA
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

9.35 Carat Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
An impressive ring featuring a gem sapphire weighing 9.35 carats. It is certified by the GIA as
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Unheated Star Ruby Ring 9.91 Carat GIA Certified No Heat
By Merkaba
Located in Beverly Hills, CA
GIA certificate is attached to the image selection for your reference. Size 10. Re-sizing is
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Multi-gemstone, Ruby, Star Ruby, Platinum

5.85 Carat Burmese Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
the color intense. Adding to that, the sapphire is certified by the GIA as untreated with no heat
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified No-Heat Blue Sapphire and Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
Showcasing a GIA Certified 3.90 carat oval cut vibrant blue sapphire, Sri Lanka origin with NO
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified NO HEAT Ruby & Diamond Three Stone Ring in Platinum
Located in Great Neck, NY
GIA certified UNHEATED cushion shape Ruby weighing 2.07 carats Measuring (8.37x7.14x3.16) mm
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified No Heat Burma Pink Sapphire Pendant in White Gold
Located in Beverly Hills, CA
GIA 3.31 carat Burma No Heat Pink Sapphire pendant necklace. Burma is the best source for pink
Category

21st Century and Contemporary American Modern Drop Necklaces

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Pink Sapphire, Gold, 14...

Yellow Sapphire & Diamond Ring Retro GIA Certified No-Heat 12.5 Carats
Located in Southbury, CT
diamonds weigh approximately 1.5 carats in total. The 12.5-carat step-cut oval sapphire has been GIA
Category

Vintage 1950s American Retro Fashion Rings

Materials

Diamond, Yellow Sapphire, 14k Gold

GIA Certified No Heat 2.35ct Ceylon Sapphire and Emerald Engagement Ring
Located in Santa Barbara, CA
tall x 14mm wide Band Width: 2mm Weight: 5.9 grams Includes: Certified Appraisal on request, GIA
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Emerald, Sapphire, Platinum

Unheated Ruby Earrings Cushion Cut 4.35 Carats GIA Certified No Heat
By Merkaba
Located in Beverly Hills, CA
Exceptional GIA certified, natural, unheated Ruby and diamond earrings in platinum. This exclusive
Category

21st Century and Contemporary American Modern Drop Earrings

Materials

Diamond, White Diamond, Ruby, Multi-gemstone, Platinum

10.30 Carat Ruby Cabochon Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
A stunning piece featuring a large 10.30 carat cabochon ruby which as been certified by the GIA
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified No Heat Natural Ruby Fancy Color Diamonds Bangle Bracelet
Located in New York, NY
Floral Colors Statement 1.12ct. Natural Ruby Bangle bracelet. GIA Certified # 2145490111 Pear
Category

2010s American Bangles

Materials

Diamond, White Diamond, Yellow Diamond, Pink Diamond, Ruby, 14k Gold, Ye...

GIA Certified No Heat Sri Lanka Royal Blue Emerald Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
An exquisite sapphire ring! The color of the main stone of the ring is amazing and cut is excellent. I hardly find such lively and sparkly blue sapphires without any treatment! D...
Category

2010s Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Sapphire, Blue Sapphire, Platinum

GIA Certified No Heat 1.86 Carat Yellow Sapphire Diamond Yellow Gold Ring
By DGI
Located in Los Angeles, CA
of charge. The ring is also GIA certified and can be verified on the GIA website: #1226168284. The
Category

2010s American Contemporary Engagement Rings

Materials

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

GIA Certified No Heat Natural Sapphire Origin Sri Lanka Weighing 2.80 Carat
By OGI Ltd
Located in New York, NY
GIA certified no indication of heat, oval Sri Lanka sapphire weighing 2.80 carats GIA REPORT
Category

Vintage 1950s Sri Lankan Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified No Heat Natural 18.18 Carats Blue Star Sapphire Loose Stone
By OGI Ltd
Located in New York, NY
A rare, investment quality GIA no heat, Ceylon Star Sapphire weighing 18..18 carats Sapphire color
Category

20th Century Sri Lankan Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Star Sapphire

Vintage Platinum Gia Certified No Heat Dark Blue Sapphire Line Tennis Bracelet
Located in Montclair, NJ
blue color. Two of them have been randomly selected by GIA for testing, and are certified as being 100
Category

21st Century and Contemporary Tennis Bracelets

Materials

Blue Sapphire, Platinum

GIA Certified No Heat Burmese Pigeon Blood Floral Toi et Moi Ring
Located in New York, NY
BLOOD RUBIES, 1.30 CT & 1.07 CT GIA LAB CERTIFIED Introducing our exquisite Floral Toi et Moi Ring, a
Category

2010s Contemporary Cocktail Rings

GIA Certified No Heat Cabochon Sapphire 1.84 Carat Diamonds 0.30 Carat Ring
By OGI Ltd
Located in New York, NY
Oval Cabochon Sapphire as the center stone, certified by GIA with report number 6234183187. This
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

2.84 Carat Burmese Pink-Sapphire Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
, other than its rich color, is that it is naturally colored with no heat treatment and certified by the
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Pink Sapphire, Platinum

GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats
By OGI Ltd
Located in New York, NY
A rare, investment quality GIA star ruby weighing 4.84 carats, no indication of heating GIA REPORT
Category

20th Century Sri Lankan Contemporary Loose Gemstones

Materials

Ruby, Star Ruby

GIA Certified No Heat Cabochon Sapphire 1.51 Diamond 0.30 Carat Platinum Ring
Located in New York, NY
of this exquisite creation lies a stunning 1.21-carat Ceylon Sapphire, certified by GIA, adorned with
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified No Heat 1.30 Carat Pink Sapphire Diamond White Gold Ring
By DGI
Located in Los Angeles, CA
size 7 and can be re-sized if needed, free of charge. The ring is also GIA certified and can be
Category

2010s American Contemporary Engagement Rings

Materials

Pink Sapphire, Diamond, 14k Gold, White Gold

Roman Malakov GIA Certified No Heat Blue Sapphire & Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
sapphire that GIA certified as BLUE in color with no indications of heat treatment. The center stone is
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified No Heat Burma Sapphire Ring With Diamonds 5.17 Carats Platinum
Located in Carlsbad, CA
No Heat Burma Sapphire = 4.33 Carat (Cut: Oval, Color: Blue, Origin: Natural) Diamond = 0.84 Carats
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

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Gia Certified No Heat For Sale on 1stDibs

Find the exact gia certified no heat you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and White Gold — can elevate any look. You can easily find a 59 antique edition and 308 modern creations to choose from as well. Finding the perfect gia certified no heat may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. A gia certified no heat from Antinori Fine Jewels, Beyond Fine Jewelry and Alexander Beverly Hills — each of whom created a beautiful version of this treasured accessory — is worth considering. A gia certified no heat can make for a versatile accessory, but a selection from our variety of 300 Diamond versions can add an especially stylish touch. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes cushion cut and cabochon alternatives. There aren’t many items for men if you’re seeking a gia certified no heat, as most of the options available are for women and unisex.

How Much is a Gia Certified No Heat?

On average, a gia certified no heat at 1stDibs sells for $14,991, while they’re typically $824 on the low end and $875,000 for the highest priced versions of this item.

Finding the Right rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About Gia Certified No Heat
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.