GIA Diamond Radiant 3 Carat Solitaire Ring in 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6.75. Comes with GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Yellow Gold
Gia Certification
to
1,696
8,845
3,598
3,988
3,743
3,019
12,704
1,603
1,022
615
716
48
205
1,846
11,960
91
99
187
192
62
104
86
69
58
92
12
10,993
2,970
96
2,950
2,464
1,412
1,387
1,016
to
4,111
354
248
221
193
5,343
1,486
965
246
157
79
67
61
40
21
9
8
6
4
2
14,047
12
11,008
965
GIA Certified Eterntity Band Diamond Ring 18 Carats Yellow Gold
$36,000Sale Price|20% Off
GIA Certified Eterntity Band Diamond Ring 18 Carats Yellow Gold
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified Eterntity Band Diamond Ring 18 Carats Yellow Gold all the 8 diamonds come with GIA certificates is a sizable ring
Category
2010s Italian Modern Bridal Rings
Materials
Diamond, White Diamond, 18k Gold, Yellow Gold
Peter Suchy GIA Certified 3.25 Carat Diamond Yellow Gold Stud Earrings
By Peter Suchy
Located in Stamford, CT
Designed and crafted in the Peter Suchy workshop. 1 old mine cut diamond , U-V SI2 approx. 1.57cts GIA Certificate # 5202867825 1 cushion modified diamond, N I approx. 1.68cts GIA C...
Category
21st Century and Contemporary Stud Earrings
Materials
Diamond, Gold, 18k Gold, Yellow Gold
GIA 3 Carat White Diamond Round Solitaire Pendant Necklace in 18K White Gold
Located in Los Angeles, CA
Handmade in 18k white gold. Comes with GIA certificate. Length is 16".
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, White Gold
GIA 1 Carat Marquise Diamond East West Bezel Pendant in 18K Yellow Gold
Located in Los Angeles, CA
Length is 18". Comes with GIA certificate.
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Yellow Gold
GIA Certified 10.93 Carat Paraiba Tourmaline Round Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Paraiba Tourmaline, Green-Blue Gemstone: 8.21 Carats 2660 White Round Diamonds: 2.72 Carats Metal: 18K White Gold, 8.60 Grams GIA Certificate # 1533371375
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, White Gold
GIA Certified 8.05 Carat Paraiba Tourmaline Round Diamond Yellow Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Paraiba Tourmaline, Greenish Blue Gemstone: 7.3 Carats 64 White Round Diamonds: 0.75 Carats Metal: 18K Yellow Gold, 7.90 Grams GIA Certificate # 6545223701
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, Yellow Gold
GIA Certified 12.12 Carat Paraiba Tourmaline Round Diamond Yellow Gold Ring
By Shimon's Creations
Located in New York, NY
10 Natural Paraiba Tourmaline, Bluish Green Gemstone: 10.6 Carats 99 White Round Diamonds: 1.52 Carats Metal: 18K Yellow Gold, 12.40 Grams GIA Certificate # 2544483174
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, Yellow Gold
GIA Certified 1.95 Carat Paraiba Tourmaline Fancy Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Paraiba Tourmaline, Greenish Blue Gemstone: 1.43 Carats 2 White Fancy Diamonds: 0.52 Carats Metal: 18K White Gold, 4.40 Grams GIA Certificate # 6532179125
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, White Gold
GIA Certified 1.41 Carat Paraiba Tourmaline Round Diamond White Gold Necklace
By Shimon's Creations
Located in New York, NY
1 Natural Paraiba Tourmaline, Greenish Blue Gemstone: 1.11 Carats 26 White Round Diamonds: 0.30 Carats Metal: 18K White Gold, 3.80 Grams GIA Certificate: 3535651815
Category
2010s Drop Necklaces
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, White Gold
De Beers 1.02ct Diamond Solitaire Ring, GIA Certified, Size 50
By De Beers
Located in Guangzhou, CN
Inclusions: Original box, GIA certificate. 1.02ct, I Color, SI1 clarity. Purchased for over RMB 100,000.
Category
2010s Solitaire Rings
GIA Certified 36 Fancy Sapphire and 210 Diamond Necklace in 18K Gold
By Shimon's Creations
Located in New York, NY
36 Fancy Sapphire Gemstones: 92.89 Carats 210 White Diamonds: 3.09 Carats Metal: 18K White Gold, 32.80 Grams GIA Certificate # 2235376350
Category
2010s Link Necklaces
Materials
White Diamond, Sapphire, 18k Gold, White Gold
GIA Certified 8.61 Carat Paraiba Tourmaline Round Diamond Yellow Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Paraiba Tourmaline, Greenish Blue Gemstone: 7.2 Carats 17 White Round Diamonds: 1.41 Carats Metal: 18K Yellow Gold, 8.30 Grams GIA Certificate: 2546444064
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, Yellow Gold
GIA White Diamond Cushion Cut Dangle Earrings in 18K Yellow Gold & Black Rhodium
Located in Los Angeles, CA
Handmade in 18k yellow and black rhodium. GIA certificates included.
Category
21st Century and Contemporary Dangle Earrings
Materials
White Diamond, Yellow Gold, Rhodium
GIA Certified 3.67 Carat Paraiba Tourmaline Round Diamond Yellow Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Paraiba Tourmaline, Greenish Blue Gemstone: 3.43 Carats 24 White Round Diamonds: 0.24 Carats Metal: 18K Yellow Gold, 6.30 Grams GIA Certificate # 1232546380
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, Yellow Gold
RARE GIA Certified Violet 2.90ct. Cushion Cut Sapphire
Located in Crescent City, IL
Ready for custom setting or collection. Accompanied by GIA certificate of authenticity. See GIA laboratory report for further details.
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire
GIA Certified 2.27 Carat Sapphire Round Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Blue Heated Heart Sapphire Gemstone: 2.13 Carats 0.14 White Round Diamonds: 0.14 Carats Metal: 18K White Gold, 2.30 Grams GIA Certificate: GIA 1232539878
Category
2010s Fashion Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
GIA Certified 3.32 Carat Sapphire and Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Sapphire Gemstone: 2.9 Carats 10 Round Diamonds: 0.17 Carats 2 Fancy Diamonds: 0.25 Carats Metal: 18K White Gold, 5.00 Grams GIA Certificate # 2235433747
Category
2010s Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
2.03 Carat OLD MINER - M Color, VS2 Clarity, Certificate GIA
Located in Dubai, Dubai
Product Specifications: Cut: Old Mine Cut Carat Weight: 2.03 Carat Color: M Clarity: VS2 Certification: GIA Type: Natural Diamond
Category
21st Century and Contemporary Indian Loose Gemstones
Materials
Diamond
Peter Suchy GIA 8.97 Carat Oval Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
The setting is handmade in the Peter Suchy Workshop. 1 cushion natural bright cornflower blue Sapphire, approx. total weight 8.97cts, SI1, 12.28 x 9.10 x 8.89mm, no heat and no en...
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Sapphire, Platinum
GIA 2 Carat Fancy Yellow Pear Shape Ring in Matte 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6. Comes with GIA certificate.
Category
21st Century and Contemporary Cocktail Rings
Materials
Yellow Gold
GIA Certified 5.8 Carat Emerald White Diamond White Gold Earrings
By Shimon's Creations
Located in New York, NY
2 Emerald Gemstones: 3.24 Carats 32 White Baguette Diamonds: 2.17 Carats 32 White Round Diamonds: 0.39 Carats Metal: 18K White Gold, 7.80 Grams GIA Certificate: 1232834772
Category
2010s Stud Earrings
Materials
White Diamond, Emerald, 18k Gold, White Gold
GIA Certified Diamond Cluster Ring
By GEMME
Located in New York, NY
Marquise Diamond weighing 1.20 Carats with GIA certificate stating the diamond is of F color and VS2 clarity.
Category
2010s American Cluster Rings
Materials
Diamond, Platinum
GIA 12 Carat Emerald Cut Diamond Ring in 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6.5. Comes with GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Yellow Gold
GIA Certified 31.97 Sapphire Pear Diamond White Gold Necklace
By Shimon's Creations
Located in New York, NY
5 Natural Blue Sapphire, Heated Gemstones: 16.13 Carats 27 White Pear Diamonds: 4.6 Carats 201 White Round Diamonds: 11.24 Carats Metal: 18K White Gold, 37.30 Grams GIA Certificate #...
Category
2010s Drop Necklaces
Materials
Diamond, Sapphire, 18k Gold, White Gold
GIA Certified 6.05 Sapphire Fancy Diamond White Gold Earrings
By Shimon's Creations
Located in New York, NY
2 Natural Blue Sapphire, Heated Gemstones: 5.23 Carats 2 White Fancy Diamonds: 0.27 Carats 46 White Round Diamonds: 0.55 Carats Metal: 18K White Gold, 6.20 Grams GIA Certificate # 12...
Category
2010s Drop Earrings
Materials
Diamond, Sapphire, 18k Gold, White Gold
GIA Certified 0.88 Carat Paraiba Tourmaline and White Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Paraiba Tourmaline Gemstone: 0.60 Carats 32 White Round Diamonds: 0.28 Carats Metal: 18K White Gold, 3.00 Grams GIA Certificate 1236546071
Category
2010s Fashion Rings
Materials
White Diamond, Tourmaline, Paraiba, 18k Gold, White Gold
GIA 3 Carat Each Yellow Radiant Diamond Stud Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Handmade in 18k yellow gold with push back setting. Comes with GIA certificates.
Category
21st Century and Contemporary Stud Earrings
Materials
Diamond, Yellow Gold
Oscar Heyman GIA Unheated Gemstone Brooch/Pendant
By Oscar Heyman
Located in Los Angeles, CA
Handmade in 18k white gold. Comes with GIA certificates.
Category
21st Century and Contemporary Pendant Necklaces
Materials
Emerald, Ruby, Blue Sapphire, Yellow Sapphire
GIA 2 Carat Princess Cut White Diamond Ring in 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6.5. Comes with GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
White Diamond, Yellow Gold
GIA 4 Carat Yellow Heart Diamond Bezel Solitaire Ring in 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6.25. Comes with GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Yellow Gold
GIA White Diamond Cushion 1.50 Carat Solitaire Ring in 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6.5. Includes a GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
White Diamond, Yellow Gold
GIA 1 Carat Heart Diamond Pendant in Black Rhodium & 18K Yellow Gold
Located in Los Angeles, CA
Handmade in 18k yellow gold and black rhodium. Comes with a GIA certificate.
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Yellow Gold, Rhodium
GIA Orange Sapphire Cushion and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Handmade in platinum. Ring size 6.75. GIA certificate included.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Sapphire, Platinum
GIA 1 Carat White Diamond Cushion Pendant Necklace in 18K Yellow Gold
Located in Los Angeles, CA
Length of necklace is 18". Comes with GIA certificate.
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, Yellow Gold
GIA Certified 7.07ct. Color Change Bluish-Green Natural Sapphire- Heated Only.
Located in Crescent City, IL
Accompanied by GIA certification. The stone measures 11.34-10.47*6.44mm.
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire
GIA 3.51 Carat Kite Diamond Snake Ring in 18K White Gold
Located in Los Angeles, CA
Ring size 7. Comes with GIA certificate.
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, White Gold
GIA Certified 5.3 Carat Aquamarine Round Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Aquamarine, Blue, GU: Natural Santa Maria Aquamarine, Vivid Blue Gemstone: 4.74 Carats 12 White Round Diamonds: 0.56 Carats Metal: 18K White Gold, 5.00 Grams GIA Certificate # 1543...
Category
2010s Cocktail Rings
Materials
Aquamarine, Diamond, 18k Gold, White Gold
GIA Certified 4.34 Carat Pink Fancy and White Diamond White Gold Cluster Ring
$27,191Sale Price|20% Off
GIA Certified 4.34 Carat Pink Fancy and White Diamond White Gold Cluster Ring
By Shimon's Creations
Located in New York, NY
74 Round White Diamonds: 0.73 Carats 1 Fancy Diamond: 3.39 Carats Metal: 18K White Gold, 7.48 Grams GIA Certificate # 2191555717
Category
2010s Cluster Rings
Materials
White Diamond, 18k Gold, White Gold
Peter Suchy GIA Certified 2.11 Carat Diamond Platinum Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Designed and crafted in the Peter Suchy workshop 1 pear shape diamond, J SI2 approx. 1.01cts GIA Certificate # 6203805933 1 pear shape diamond, H VS approx. 1.10cts GIA Certifica...
Category
21st Century and Contemporary Dangle Earrings
Materials
Diamond, Platinum
GIA No Heat Purple Sapphire Cushion Ring in 18K White and Rose Gold
Located in Los Angeles, CA
Ring size 7. Comes with GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Purple Sapphire, Rose Gold, White Gold
GIA Half Carat Each Pear Shape Diamond Crawler Earrings in 18K White Gold
Located in Los Angeles, CA
Each stone is 0.50 ct. and comes with GIA certificates. Handmade in 18k white gold.
Category
21st Century and Contemporary Lever-Back Earrings
Materials
Diamond, White Gold
GIA Certified 1.53 Carat Orange Sapphire Diamond Platinum Dangle Earrings
Located in Stamford, CT
Circa 1920's. 1 cushion brownish orange sapphire, VS SI approx. .80cts GIA Certificate # 1132171041 1 cushion brownish orange sapphire, VS2 SI approx. .73cts GIA Certificate # 21351...
Category
Early 20th Century Dangle Earrings
Materials
Diamond, Sapphire, Platinum
GIA Certified 1.94 Carat Light Yellow Diamond Sapphire Gold Engagement Ring
Located in Stamford, CT
GIA Certificate # US400115798D Size 6.75 and sizable 18k Yellow Gold Stamped: 750 6.7 Grams Width at top: 7.9mm Height at top: 8.6mm Width at bottom: 3.5mm
Category
Late 20th Century Engagement Rings
Materials
Diamond, Yellow Diamond, Sapphire, Gold, 18k Gold, Yellow Gold
Emilio Jewelry GIA Certified 4.00 Carat Fancy Green Yellow Diamond Ring
Price Upon Request
Emilio Jewelry GIA Certified 4.00 Carat Fancy Green Yellow Diamond Ring
By Emilio!
Located in New York, NY
Video available upon request. Gia certificate upon request.
Category
21st Century and Contemporary Three-Stone Rings
Materials
Yellow Diamond, Pink Diamond
GIA Certified 7.23 Carat Green Oval Paraiba Fancy Diamond Yellow Gold Ring
By Shimon's Creations
Located in New York, NY
1 Green Oval Paraiba Gemstone: 7.00 Carats 2 White Fancy Diamonds: 0.23 Carats Metal: 18K Yellow Gold, 7.40 Grams GIA Certificate # GIA 6233572810
Category
2010s Fashion Rings
Materials
Diamond, Paraiba, 18k Gold, Yellow Gold
GIA Marquise Fancy Vivid Orange and White Diamond Bypass Ring in Platinum
Located in Los Angeles, CA
Ring size 7. Comes with GIA certificates.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Yellow Diamond, Platinum
GIA White Diamond Round Tennis Bracelet in Platinum
Located in Los Angeles, CA
Handmade in platinum. Length is 7". GIA certificates included.
Category
21st Century and Contemporary Tennis Bracelets
Materials
White Diamond, Platinum
GIA White Diamond Round Eternity Band in 18K White Gold
Located in Los Angeles, CA
Handmade in 18k white gold. Ring size 6. GIA certificate included.
Category
21st Century and Contemporary Band Rings
Materials
White Diamond, White Gold
GIA 1 Carat Yellow Radiant Diamond East West Bezel Pendant Necklace in 18K Gold
Located in Los Angeles, CA
Length is 16". Comes with GIA certificate.
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold
GIA Certified 22.60 Carat Sapphire and White Diamond Rose Gold Ring
By Shimon's Creations
Located in New York, NY
1 No Heat, Color Change Sapphire Gemstone: 22.04 Carats 30 White Round Diamonds: 0.56 Carats Metal: 18K Rose Gold, 8.70 Grams GIA Certificate # 2235434314
Category
2010s Fashion Rings
Materials
White Diamond, Sapphire, 18k Gold, Rose Gold
GIA 1 Carat Each Yellow Radiant Diamond Bezel Stud Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Push back setting. Comes with GIA certificates.
Category
21st Century and Contemporary Stud Earrings
Materials
Diamond, Yellow Gold
GIA Certified 12.97 Carat Aquamarine Fancy Round Diamond Yellow Gold Ring
By Shimon's Creations
Located in New York, NY
1 Aquamarine Gemstone: 12.22 Carats 4 Fancy Round Diamonds: 0.41 Carats 20 White Round Diamonds: 0.34 Carats Metal: 18K White Gold, 8.90 Grams GIA Certificate # 6545108499
Category
2010s Cocktail Rings
Materials
Aquamarine, Diamond, 18k Gold, Yellow Gold
GIA 13 Carat Orange Sapphire Octagonal Ring in 18K Gold and Black Rhodium
Located in Los Angeles, CA
Ring size 6.5. Comes with GIA certificate.
Category
21st Century and Contemporary Cocktail Rings
Materials
Sapphire, 18k Gold, Rhodium
GIA Certified 16.63 Carat Sapphire and Fancy Diamond White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Sapphire Gemstone: 16.24 Carats 10 Round Diamonds: 0.19 Carats 2 Fancy Diamonds: 0.2 Carats Metal: 18K White Gold, 4.90 Grams GIA Certificate # 2235434606
Category
2010s Dome Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
GIA Certified 31.94 ct Multi-Color Sapphire & Diamond Necklace
By Shimon's Creations
Located in New York, NY
43 Multi-Color Sapphire Gemstones: 28.62 Carats 4 White Round Diamonds: 0.32 Carats 38 White Round Diamonds: 3.00 Carats Metal: 18K White Gold, 21.30 Grams GIA Certificate # 22318348...
Category
2010s Link Necklaces
Materials
Sapphire, 18k Gold, White Gold
GIA Certified 2.93 Carat Sapphire Round Diamond Yellow and White Gold Ring
By Shimon's Creations
Located in New York, NY
1 Natural Blue Sapphire, Heated Gemstone: 2.32 Carats 24 White Round Diamonds: 0.61 Carats Metal: 18K White and Yellow Gold, 14.70 Grams GIA Certificate # 2231540737
Category
2010s Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold, Yellow Gold
GIA 18 Carat Sri Lanka Yellow Sapphire Cushion Bezel Ring in 18K Yellow Gold
Located in Los Angeles, CA
Ring size 6.5. Comes with GIA certificate.
Category
21st Century and Contemporary Solitaire Rings
Materials
Yellow Sapphire, Yellow Gold
GIA 1 Carat Each Old Mine Diamond and Onyx Dangle Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Handmade in 18k yellow gold with black onyx. Comes with GIA certificates.
Category
21st Century and Contemporary Dangle Earrings
Materials
Diamond, Onyx, Yellow Gold
GIA 3 Carat Emerald Emerald Cut and White Diamond Ring in Platinum
Located in Los Angeles, CA
Ring size 6.25. Comes with GIA certificate.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Emerald, Platinum
- 1
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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 rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.
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