Skip to main content

Gia Certification

to
2,429
11,832
6,827
4,787
6,431
3,431
17,363
2,795
2,894
1,307
1,218
87
412
3,968
15,369
190
184
400
389
165
245
200
142
156
272
23
14,464
5,275
144
3826
2835
2142
1820
1262
to
7
7
1
942
551
323
279
268
3,492
2,358
1,563
383
306
273
185
90
63
45
31
18
9
8
5
1
19,862
21
14,014
2,079
Sort By
1.21 Carat Cushion Peach Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.21 carat GIA Certificate: 5202389637 Yellowish Orange Natural Unheated Sapphire was hand
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Gia Certified 1.46 Carat Pear Brilliant I I2 Natural Diamond
Located in New York, NY
Polish: Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 2211651195 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond

Exceptional 43.69 Carats GIA Certified Fancy Yellow Diamonds Necklace
By Gad Co.
Located in Miami, FL
. Set in 18k white and yellow gold. Contains 20 GIA certificates.
Category

2010s Modern More Necklaces

Materials

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

GIA 1.99ct Oval No Heat Sri Lanka Padparadscha Sapphire and Diamond Ring
By Nazarelle
Located in Houston, TX
Padparadscha Sapphire weighing 1.99 ct certified by GIA certificate number is 5212031500. The ring also
Category

2010s American Cocktail Rings

Materials

Diamond, Sapphire, Padparadscha Sapphire , 14k Gold

3 Layer GIA 8.48-8.98mm Pearl Strands 18k Gold Calibre Cut Ruby Diamond Clasp
Located in Montclair, NJ
on GIA measurements) - **See Certification Details Below** (22) Natural Genuine Diamonds - Round
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Pearl, Ruby, Gold, 18k Gold, Yellow Gold

Spectra Fine Jewelry GIA Certified Yellow Diamond Halo Drop Earrings
By Spectra Fine Jewelry
Located in New York, NY
GIA certificates, stating that they are 3.32 carats and 3.01 carats VS. White diamonds are F-H color
Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

Yellow Diamond, Platinum

2.50 Carat GIA Certified Cushion-Cut Pink Sapphire and Diamond 18K Pendant
By Gad Co.
Located in Miami, FL
luxury and charm. GIA certification ensures authenticity and quality, making it an exceptional piece for
Category

Mid-20th Century Asian Art Deco Pendant Necklaces

Materials

Diamond, Pink Sapphire, 18k Gold, White Gold

GIA Certified 1.00 Carat Pear Brilliant Fancy Yellow SI2 Natural Diamond
Located in New York, NY
Polish: Excellent Fluorescence: None Certifying Lab: GIA GIA Certificate #: 2225394024 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Yellow Diamond

Set of 2 Loose Diamonds - Pear 1.20ctw GIA F SI1 Matched Pair
Located in Greensboro, NC
Carats: 1.20ctw Measurements Includes Two GIA Certifications Condition: Pre-Owned
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

1.02 Carat Oval Purplish Pink Sapphire GIA Unheated
Located in San Francisco, CA
This 1.02 carat Oval Purplish Pink Sapphire GIA Certificate number 2205389632 was selected by our
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Pink Sapphire, Purple Sapphire

GIA Certified .87 Carat Diamond Platinum Engagement Ring
Located in Stamford, CT
circular brilliant cut diamond, I2 approx. .87cts GIA Certificate # 1216825492 Size 6.5 and sizable
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

18k Gold GIA 2.70ctw Fancy Yellow Pear Diamond Tear Drop Pendant Necklace
Located in Montclair, NJ
")(widest area) Pendant Thickness: 5.7mm Condition: Like new. Comes w/ Original GIA Certification for the
Category

21st Century and Contemporary Drop Necklaces

Materials

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

18ct Yellow Gold 0.57ct G-VVS1 GIA Diamond Necklace
Located in London, GB
Elegant and timeless, this exquisite diamond necklace features a 0.57ct G/VVS1 GIA-certified
Category

2010s Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

GIA Certified 1.43 Carat Pear Fancy Intense Yellow Si2 Clarity Natural Diamond
Located in New York, NY
: Excellent Certifying Lab: GIA GIA Certificate #: 2215734705 Appraisal Value: $10590.00 Our Price: $7565.00
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Yellow Diamond

GIA Half Carat Each White Diamond Heart Tennis Bracelet in 18K White Gold
Located in Los Angeles, CA
. Length is 7". Handmade in 18k white gold. All stones come with GIA certificates. Also have another one
Category

21st Century and Contemporary Tennis Bracelets

Materials

White Diamond, White Gold

GIA Certified 1.78 Carat Cushion Cut Diamond J/VS1 Split Shank 18K White Ring
By Gad Co.
Located in Miami, FL
surround the center diamond, creating a captivating halo effect. The GIA certificate #1226738445. Item
Category

2010s North American Modern Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Peter Suchy GIA Certified 1.00 Carat Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
. 1.00ct GIA Certificate # 17433878 Size 6.5 and sizable Platinum 4.2 grams Width at top: 7.6mm Height at
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

0.73ct Round Brilliant Diamond GIA certif solitaire engagement ring in platinum.
Located in London, GB
diamond with halo around engagement ring in platinum with GIA certificate. Hallmarked. Halo diamond
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Brilliant 1.12ct Ideal Cut Round Natural Diamond - GIA Certified
Located in רמת גן, IL
diamond perfection with this stunning 1.12-carat round brilliant diamond. With its GIA certification, this
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA Certified 9.89 Carat Natural Citrine Cluster Ring 14 Karat
Located in New York, NY
white gold 6.9 g Deck of ring 20x16 mm Depth of ring 9.8 mm $8,000 appraisal certificate, gia
Category

2010s American Solitaire Rings

Materials

Citrine, Diamond, 14k Gold, White Gold

GIA Certified .95ct F.Si1 natural round diamond ring Portuguese Revival 14kt
Located in New York, NY
diamond GIA Certificate: 6177367705 F color SI-1 clarity 5.85 X 5.95 X 4.03mm (Please see report
Category

2010s American Revival Solitaire Rings

Materials

Diamond, 14k Gold

GIA Certified .51 Carat Round Cut Diamond Solitaire Ring Platinum Classic G/Vs
Located in New York, NY
GIA Certified Diamond engagement ring. Solitaire Classic GIA Certificate: 11721553348 .51ct
Category

2010s American Solitaire Rings

Materials

Diamond, Platinum

Platinum Cartier Ring 7.93 cts GIA Certified
By Cartier
Located in Miami, FL
sophistication and craftsmanship and is accompanied by its offical GIA certification for guaranteed authenticity
Category

2010s French Contemporary Solitaire Rings

Materials

Diamond, Platinum

Peter Suchy GIA Certified .70 Carat Diamond White Gold Unisex Ring
By Peter Suchy
Located in Stamford, CT
workshop. 1 octagonal brilliant cut diamond H SI2, approx. .70cts GIA Certificate # 5172585309 Size 8 and
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

GIA Certified 5.72 G VVS1 3EX None Diamond
Located in kOWLOON, HK
Round 5.72ct Ideal Cut Round Diamond - GIA Certified Discover near top clarity and color with this
Category

2010s Unknown Modernist Loose Gemstones

Materials

Diamond

GIA Certified 2.20 Carat Cushion Cut Diamond Ring Platinum Yellow VVS-2
Located in New York, NY
to accompany & GIA Certificate
Category

2010s American Solitaire Rings

Materials

Diamond, 18k Gold, Platinum

Radiant 1.20ct Ideal Cut Round Diamond - GIA Certified
Located in רמת גן, IL
by a GIA certificate, it guarantees the superior quality and authenticity of this precious diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA Certified 1 Carat Heart Shape 18K Gold Ring Internally FLAWLESS F COLOR
By Antinori Fine Jewels
Located in Chicago, IL
with grace 📜 Certification: GIA Certification - Your assurance of quality Why Choose Our Heart Shape
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, 18k Gold

Rare GIA Certified 1.53 Carat Buddha N SI2 Natural Diamond
Located in New York, NY
% Symmetry: Good Polish: Very Good Fluorescence: Medium Blue Certifying Lab: GIA GIA Certificate
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Blue Diamond

Peter Suchy GIA Certified .96 Carat Tsavorite Garnet Yellow Gold Arrow Ring
By Peter Suchy
Located in Stamford, CT
design. 1 triangular green tsavorite garnet VS, approx. .96ct GIA Certificate # 2171434387 Size 6.5 and
Category

21st Century and Contemporary Fashion Rings

Materials

Tsavorite, Garnet, Gold, 18k Gold, Yellow Gold

Peter Suchy GIA Certified 1.01 Carat Diamond White Gold Unisex Engagement Ring
By Peter Suchy
Located in Stamford, CT
. 1 princess cut diamond H SI, approx. 1.01ct GIA certificate # 2106281478 Size 8 and sizable 18k
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified 1.01 Carat White Diamond in 18 Rose Gold Solitaire Engagement Ring
By FERRUCCI
Located in New York, NY
GIA Certified 1.01 Carat white diamond, J color, SI2 clarity, hand set in in hand made 18k rose
Category

2010s American Modern Solitaire Rings

Materials

White Diamond, 18k Gold

Tiffany Co. GIA Certified 1.19 Carat F VS1 Diamond Platinum Ring
By Tiffany Co.
Located in New York, NY
. serial Number etched on the crown. The stone is set in PLT/950. The ring comes with a GIA certificate
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

BUNDA Diamond stud earrings, total weight diamonds 2.11cts in 18ct white gold
Located in SYDNEY, AU
Round Brilliant Cut Diamond; 0.3ct, E colour / SI2 Clarity. GIA Certificate No. 2225048167
Category

2010s Australian Stud Earrings

Materials

Diamond, White Gold

1.01 Carat Emerald Cut GIA Certified G Color SI1 Clarity Diamond
Located in New York, NY
: Good Fluorescence: Faint Certifying Lab: GIA GIA Certificate #: 15845319 Appraisal Value: $8135.50 Our
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Emerald

1.00 Carat Round Brilliant GIA Certified H Color Vs2 Clarity Diamond
Located in New York, NY
: Excellent Fluorescence: None Certifying Lab: GIA GIA Certificate #: 2225516984 Appraisal Value: $13185.90
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond

1.00 Carat Heart Brilliant GIA Certified G Color SI1 Clarity Diamond
Located in New York, NY
Polish: Very Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 1226467072 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

1.00 Carat Round Brilliant GIA Certified G Color Vvs2 Clarity Diamond
Located in New York, NY
: Very Good Fluorescence: Medium Blue Certifying Lab: GIA GIA Certificate #: 2225044352 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Blue Diamond

1.01 Carat Round Brilliant GIA Certified M Color VS1 Clarity Diamond
Located in New York, NY
: Very Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 2225446599 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

0.90 Carat Heart Brilliant GIA Certified H Color VS2 Clarity Diamond
Located in New York, NY
Good Polish: Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 1226467257 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

1.01 Carat Cushion Brilliant GIA Certified Fancy Brown Greenish Yellow Diamond
Located in New York, NY
Symmetry: Very Good Polish: Very Good Certifying Lab: GIA GIA Certificate #: 2135555557 Appraisal Value
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, Yellow Diamond

GIA Certified Natural Certified Jadeite Jade Yellow Gold Saddle Ring
Located in Stamford, CT
, natural, no treatment, GIA certificate #2165195686 Size 6 and sizable Width at top: 6.1mm Height at top
Category

21st Century and Contemporary Fashion Rings

Materials

Jade, 18k Gold, Gold, Yellow Gold

15.53 Carat Emerald Cut GIA Certified Diamond Eternity Ring
Located in New York, NY
clarity. Each diamond has it's own certificate. Width: 7mm Size 7. GIA certificates included.
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Platinum

GIA Certified 12.36 Carat Diamond Stud Earrings I VS2
By Diana M. Jewels
Located in New York, NY
(GIA#11530222) This earrings come with a certificate of appraisal and two GIA certificates
Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 2.81 Carat Rhodonite Diamond Yellow Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
2 pear shape orangy red rhodonite, approx. 2.81cts GIA Certificate # 2223381437 2 round diamons, H-I
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Rhodolite, Gold, 18k Gold, Yellow Gold

GIA Certified .50ct Natural Marquise Fancy Color Diamonds Ring
Located in New York, NY
& GIA Certificate
Category

2010s American Band Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 7.00 Carat Blue Sapphire Diamond White Gold Bracelet
Located in Stamford, CT
14k white gold X design. 6.75 inches long. 9 oval blue sapphires approx. 7.00cts GIA Certificate
Category

21st Century and Contemporary Link Bracelets

Materials

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

GIA Certified .65 Carat Yellow Diamond White Gold Engagement Ring
Located in Stamford, CT
diamond I, approx. .65ct GIA Certificate # 2201556650 Size 6.5 and sizable 14k white gold Width at top
Category

Mid-20th Century Engagement Rings

Materials

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

GIA Natural Fancy Intense 3.06Ct. Chartreuse Radiant Diamond
By Cellini
Located in New York, NY
diamond weight: 0.91cts Ring size 6 Appraisal and original GIA certification included with purchase
Category

Late 20th Century American Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

GIA Certified 1.01 Carat Radiant Cut Diamond Platinum Engagement Ring
Located in Stamford, CT
1.01ct, H, SI1, GIA certificate # 12861471 4 mixed diamonds approx. total weight .68cts, G, VS Size 7 and
Category

Late 20th Century Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 27.03 Carat Opal Ruby Diamond 14k Two Tone Gold Pendant Necklace
Located in Stamford, CT
simple heat only. 1 pear shape cabochon opal, approx. 27.03cts GIA Certificate # 2225454815 1 trilliant
Category

Mid-20th Century Pendant Necklaces

Materials

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

GIA Certified .67 Carat Emerald Diamond Halo Rose Gold Engagement Ring
Located in Stamford, CT
gold setting with 20 round cut diamond halo. 1 octagonal .67cts emerald. GIA certificate 2213095453
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Emerald, Gold, 14k Gold, Rose Gold

Auction - GIA Certified 3.53 Carat Oval Emerald and Diamond Pendant
By GEMME
Located in New York, NY
. Measures 16 inches. GIA Certificate included.
Category

2010s American Pendant Necklaces

Materials

Diamond, Emerald

GIA Certified 3.7 Carat TW Natural Diamond Dangle-Drop Earrings Halo in 18kw
By Gad Co.
Located in Miami, FL
- Cut: Round - Quantity: 50 GIA Certificate(1): #7171565275 GIA Certificate(2): #7258066590
Category

2010s North American Modern Dangle Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Natural Lavender Carved Large Jadeite Jade Gold Pendant
Located in Stamford, CT
gold top. 1 pierced carved light purple Jadeite Jade, 50.33 x 31.31 x 3.32mm, GIA certificate
Category

21st Century and Contemporary Necklace Enhancers

Materials

Jade, Gold, 14k Gold, Yellow Gold

GIA Certified 2 Carat Diamonds 18k Gold Ring
Located in New Delhi, Delhi
carats, K color and VS1-VS2 clarity. Complete with GIA certificates . Handcrafted by artisan goldsmith
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

GIA Certified Ruby Diamond Serpentine Gold Ring
Located in Beverly Hills, CA
Original this snake inspired ring features a GIA Certified 1.51 carat pear shape vivid red ruby
Category

21st Century and Contemporary American Fashion Rings

Materials

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

  • 1
  • ...
Get Updated with New Arrivals
Save "Gia Certification", and we’ll notify you when there are new listings in this category.

Gia Certification For Sale on 1stDibs

Find the exact gia certification you’re shopping for in the variety available on 1stDibs. Frequently made of Platinum, Gold and 18k Gold, this item was constructed with great care. You can easily find a 29 antique edition and 49 modern creations to choose from as well. You’re likely to find the perfect gia certification among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. For this particular piece, 1 Carat and 1.5 Carat are consistently popular carat weights. There have been many well-made iterations of the classic gia certification over the years, but those made by OGI Ltd, Cartier and Harbor Diamonds are often thought to be among the most beautiful. A gia certification can make for a versatile accessory, but a selection from our variety of 63 Diamond versions can add an especially stylish touch. A round cut version of this piece has appeal, but there are also cushion cut and oval cut versions for sale. There aren’t many items for men if you’re seeking a gia certification, as most of the options available are for women and unisex.

How Much is a Gia Certification?

The price for a gia certification starts at $936 and tops out at $280,000 with these rings, on average, selling for $15,133.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and 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 “A Diamond Is 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 diamonds 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 the 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 diamond's 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 (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And 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

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