Atlantic Diamond Company Cocktail Rings
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AGL Certified 24.25 Carat Ruby Cabochon & Diamond Ring In 18 K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Ruby, White Diamond, Diamond, White Gold, 18k Gold
0.45 Carat Weight Diamond Engagement Ring in 14K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, White Gold
3.71 Oval Emerald and Diamond Ring in 18K Yellow Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Blue Sapphire, Emerald, Diamond, Yellow Gold, Platinum
2.16 Carat Cushion Cut Emerald and Diamond Ring in 14K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Blue Sapphire, Emerald, White Gold, Platinum
4.97 Carat Oval Ruby and Diamond Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Ruby, Tanzanite, Sapphire, Emerald, Brown Diamond, Diamond, Platinum, Wh...
7.70 Carat Emerald Cut Orange Sapphire and Diamond Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Sapphire, Emerald, Brown Diamond, Diamond, White Gold
3.63 Carat Cushion Cut Blue Sapphire and Diamond Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Blue Sapphire, Sapphire, Diamond, Platinum, White Gold
1.38 Carat Cushion Cut Tanzanite and Diamond Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a cocktail ring that showcases a 1.38 carat cushion cut tanzanite. It has diamonds around the gemstone totaling .57 carats. Designed in brightly polished platinum, this gorgeous ring...
Category
2010s American Contemporary Cocktail Rings
Materials
Tanzanite, Blue Sapphire, Diamond, Platinum, White Gold
6.09 Carat Cushion Cut Tanzanite and Diamond Ring in 18K White Gold
Located in Chicago, IL
This is a cocktail ring that showcases a 6.09 carat cushion cut tanzanite. It has diamonds on the band and around the gemstone totaling 1.20 carats. Designed in brightly polished 18 K gold, this gorgeous ring...
Category
2010s American Contemporary Cocktail Rings
Materials
Tanzanite, Spinel, Sapphire, Emerald, Brown Diamond, Diamond, Platinum, ...
10.47 Carat Oval Orange Sapphire and Diamond Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Sapphire, Ruby, Emerald, Brown Diamond, Diamond, Platinum, White Gold, 1...
5.13 Carat Cushion Green Sapphire and Diamond Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This unique halo cocktail ring features a cushion cut green sapphire...
Category
2010s American Contemporary Cocktail Rings
Materials
Green Sapphire, Sapphire, Emerald, Brown Diamond, Diamond, Platinum, Whi...
1.07 Carat Oval Ruby and Diamond Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Ruby, Sapphire, Emerald, Brown Diamond, Diamond, Platinum, White Gold, 1...
4.45 Carat Cushion Purple Spinel and Diamond Ring in 14K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a cocktail ring that showcases a white gold, double prong set, 4.45 carat cushion cut purple spinel. The gem source is Sri Lanka; its transparency and luster are excellent. It has diamonds on the band and around the gemstone totaling 0.61 carats. Designed in brightly polished 14 K gold, this gorgeous ring...
Category
2010s American Contemporary Cocktail Rings
Materials
Spinel, Sapphire, Emerald, Brown Diamond, Diamond, Platinum, White Gold,...
2.31 Carat Round Emerald and Diamond Ring in 18k White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Blue Sapphire, Emerald, Brown Diamond, Diamond, Alexandrite, Platinum, W...
3.79 Carat Emerald Cut Fancy Brown Diamond and Diamond Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a natural fancy green-brownish diamond...
Category
2010s American Contemporary Cocktail Rings
Materials
Emerald, Brown Diamond, Blue Sapphire, Diamond, Alexandrite, Platinum, W...
8.24 Carat Emerald and Diamond Ring in 14k White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a 8.24 carat emerald cut, grass-green emerald. Sparkling round brilliant cut diamonds double-frame this center gem, creating a cluster halo totaling .25 carats. A slim, diamond split-shank band adds comfort and style to this extravagant ring...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, White Gold, 14k Gold
4.04 Carat Cushion Alexandrite and Diamond Ring in 14K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. Your Alexandrite search is over. The 4.04 carat Alexandrite is one of the most important gems in our collection. It's BGL certified and cushion. It exhibits a brilliant olive green body...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Alexandrite, 14k Gold, White Gold
3.40ct Purple Sapphire and 1.41ctw Diamond Ring in 18K White Gold
Located in Chicago, IL
Feast your eyes upon this beauty! A stately certified purple sapphire sits front and center in this incredible ring. The oval shape is flattering to every finger type and absolutely ...
Category
2010s American Contemporary Cocktail Rings
Materials
Purple Sapphire, Sapphire, White Diamond, Diamond, White Gold, 18k Gold
1.00CT Black Diamond with Red Enamel Halo in Platinum Fluorescent
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This intricate ring...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, White Diamond, Sapphire, Purple Sapphire, Black Diamond, 18k Go...
GIA Certified 1.01 Carat Natural Fancy Yellow Diamond White Gold Cocktail Ring
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
Early 2000s American Contemporary Engagement Rings
Materials
Yellow Diamond, 18k Gold
GIA Certified 5.17 Carat Oval Burma Ruby and Diamond Ring in 18 Karat White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Ruby, 18k Gold, White Gold
1.21 Carat Pear Shape Blue Sapphire and Diamond Cocktail Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
White Diamond, Blue Sapphire, Platinum
TIGI Certifi1ed 10.11 Carat Cushion Cut Blue Sapphire & Diam Ring in 18k Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Blue Sapphire, White Diamond, Sapphire, White Gold, 18k Gold
0.67 Carat Emerald Cut Emerald & Diamond Cocktail Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, Platinum
3.89 Carat Oval Emerald & Diamond Cocktail Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
0.69 Carat Oval Emerald & Diamond Cocktail Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
Antique 15th Century and Earlier American Contemporary Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
1.32 Carat Square Columbian Emerald & Diamond Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This Colombian Emerald ring in platinum is a perfect birthday or anniversary gift for the glamorous one. The stylishly placed baguette diamonds make this 3-stone ring inexplicably divine! We only use Natural AAA Emeralds...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, Platinum
2.87 Carat Oval Emerald & Diamond Cocktail Ring in 18K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, White Gold
8.70 Carat Cushion Sapphire and Diamond Cocktail Ring in 18 Karat White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
White Diamond, Blue Sapphire, 18k Gold, White Gold
1.85 Carat Square Emerald & Diamond Cocktail Ring in 14 K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Emerald, 14k Gold, White Gold
2.64 Carat Pear Shaped Tanzanite & Diamond Cocktail Ring in 14K Yellow Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Tanzanite, 14k Gold, Yellow Gold
3.55 Carat Oval Rubellite & Diamond Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked.This incredible, vintage-inspired, brightly polished platinum tourmaline and diamond ring...
Category
2010s American Contemporary Signet Rings
Materials
Diamond, Rubelite, Platinum
GIA Certified Emerald Cut Fancy Vivid Yellow Diamond Cocktail Ring in Platinum
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Yellow Diamond, White Diamond, 18k Gold, Platinum, Yellow Gold
GIA Certified 0.69 Carat Marquise Fancy Intense Yellow Diamond Cocktail Ring
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Yellow Diamond, White Diamond, 18k Gold, White Gold
4.91 Carat Cushion Cut Red Spinel & Diamond Ring in 18k White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Fashion Rings
Materials
White Diamond, Spinel, Diamond, White Gold, 18k Gold
AGL Certified 12.22 Carat Oval Ruby and Marquise Diamond Cocktail Ring
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
White Diamond, Ruby, Platinum
2.15 Carat Cushion Cut Natural Fancy Yellow Diamond Cocktail Ring 14K White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Engagement Rings
Materials
White Diamond, Yellow Diamond, 14k Gold, White Gold
PGS Certified 7.18 Carat Columbian Emerald & Diamond Cocktail Ring in 18k Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category
2010s American Contemporary Cocktail Rings
Materials
Emerald, Diamond, 18k Gold, White Gold
