Elegant 0.75ct Round Diamond Necklace 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 ...
Diamond, Platinum
Timeless 1.44ct Brilliant Cut Diamond Hoop Earrings 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 ...
Diamond, White Gold, 14k Gold
Stunning 75.13 Carat Red Ruby & Diamond Pendant 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 ...
Diamond, Ruby, White Gold, 18k Gold
Exquisite 11.72 Carat Multi-Color Oval Sapphire Bracelet Set 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 ...
Diamond, Sapphire, 14k Gold, White Gold
Vibrant 0.81 Carat Red Square Emerald & Diamond 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 ...
Diamond, Emerald, 14k Gold, Yellow Gold
Stunning 0.84 Carat Blue Square Emerald & Diamond 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 ...
Diamond, Emerald, 14k Gold, Yellow Gold
Elegant 0.41 Carat F-G, SI Round Diamond Earrings 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 ...
Diamond, 14k Gold, White Gold
Elegant 0.41 Carat F-G, SI Round Diamond Earrings 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 ...
Diamond, Yellow Gold
Chic 0.10 Carat Baguette Diamond Earrings 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 ...
Diamond, 14k Gold, Yellow Gold
Elegant 0.37 Carat F-G, SI Round Diamond Necklace 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 ...
Diamond, 14k Gold, Yellow Gold
Elegant 0.04 Carat F-G, SI Round Diamond Necklace 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 ...
Diamond, 14k Gold, Yellow Gold
Elegant 0.04 Carat F-G, SI Round Diamond Necklace 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 ...
Diamond, 14k Gold, Yellow Gold
Sparkling 0.11 Carat F-G, SI Round 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 ...
Diamond, 14k Gold, White Gold
Graceful 0.43 Carat F-G, SI Pear 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 ...
Diamond, 14k Gold, White Gold
Delicate 0.08 Carat G-H, SI Round Diamond 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 ...
Diamond, 14k Gold, Yellow Gold
Beautiful 0.78 Carat Green Emerald & 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 ...
Diamond, Emerald, 14k Gold, White Gold
Sparkling 0.23 Carat F-G, SI Round Diamond Ring in 14k White/Rose/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 ...
Diamond, 14k Gold, Yellow Gold
Elegant 0.68 Carat D-E-F, VS1-VS2 Baguette Diamond 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 ...
Diamond, 14k Gold, Yellow Gold
Refined 0.12 Carat F-G, VS1-VS2 Baguette Diamond 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 ...
Diamond, 14k Gold, Yellow Gold
Elegant 0.09 Carat F-G, SI Diamond Round 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 ...
Diamond, 14k Gold, Yellow Gold
Stunning 13.11ct Certified Green Emerald & 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 ...
Diamond, Emerald, 18k Gold, Yellow Gold
Magnificent 14.92 Carat Oval Tanzanite & 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 ...
Diamond, Tanzanite, 18k Gold, White Gold
Striking 7.69 Carat Blue Oval Tanzanite & Diamond 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 ...
Diamond, Tanzanite, 14k Gold, Yellow Gold
Elegant 4.10 Carat Certified Green Oval Emerald & Diamond Ring in 14k Rose 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 ...
Emerald, Diamond, Rose Gold, 14k Gold
Stunning 7.73 Carat Blue Oval Tanzanite & 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 ...
Diamond, Tanzanite, White Gold, 18k Gold
Radiant 12.30ct Blue Oval Tanzanite & 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 ...
Diamond, Tanzanite, 14k Gold, White Gold
Exquisite 1.62ct Green Oval Emerald & 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 ...
Diamond, Emerald, 14k Gold, White Gold
Elegant 4.43ct Certified Green Oval Emerald & 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 ...
Diamond, Emerald, White Gold, 14k Gold
Stunning 9.45ct Bluish Purple Oval Tanzanite & 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 ...
Diamond, Tanzanite, White Gold, 18k Gold
5 Carat Oval Blue Tanzanite & Diamond Fashion Ring 14K White Gold Bold & Elegant
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 ...
Diamond, Tanzanite, 14k Gold, White Gold
9.48 Ct Oval Green Emerald & Diamond Bracelet 14K Yellow Gold Luxurious &Elegant
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 ...
Diamond, Emerald, 14k Gold, Yellow Gold
11 Carat Round Diamond Bracelet 14K White Gold Stunning & Luxurious
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 ...
Diamond, 14k Gold, White Gold
4.56 Carat Oval Green Emerald & Diamond Ring 14K Rose Gold Elegant & Luxurious
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 ...
Diamond, Emerald, 14k Gold, Rose Gold
3.91 Carat Oval Green Emerald & Diamond Pendant 14K White Gold Elegant & Timeles
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 ...
Diamond, Emerald, 14k Gold, White Gold
9.50 Ct Oval Green Emerald & Diamond Bracelet 14K Yellow Gold Luxurious &Elegant
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 ...
Diamond, Emerald, Yellow Gold, 14k Gold
64.83 Carat Oval Green Emerald & Sapphire Necklace 18K Yellow Gold Exquisite
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 ...
Emerald, Sapphire, Yellow Gold, 18k Gold
5.46 Carat Pear Tanzanite & Diamond Earrings 18K White Gold Luxurious & Elegant
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 ...
Diamond, Tanzanite, 18k Gold, White Gold
1.32 Carat Oval Green Emerald Fashion Necklace 14K Yellow Gold Elegant & Timeles
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 ...
Diamond, Emerald, 14k Gold, Yellow Gold
8 Carat Round Diamond Bracelet 14K White Gold Stunning & Luxurious
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 ...
Diamond, 14k Gold, White Gold
4.50 Carat Oval Orange Sapphire Ring 18K White Gold Bold & Luxurious
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 ...
Sapphire, 18k Gold, White Gold
0.33 Carat Round Diamond Solitaire Pendant 14K White Gold Timeless Elegance
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 ...
Diamond, 14k Gold, White Gold
0.25 Carat Round Diamond Solitaire Pendant 14K White Gold Timeless Elegance
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 ...
Diamond, 14k Gold, White Gold
0.75 Carat Round Diamond Solitaire Pendant 14K White Gold Classic & Elegant
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 ...
Diamond, 14k Gold, White Gold
.50 Carat Round Diamond Earrings 14K White Gold Elegant & Timeless
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 ...
Diamond, 14k Gold, White Gold
50 Carat Briolette Diamond Necklace in 14K Yellow Gold Dazzling Elegance
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 ...
Diamond, 14k Gold, Yellow Gold
4.06 Carat Round Diamond 4-Prong Bracelet in 14K White Gold Timeless Brilliance
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 ...
Diamond, 14k Gold, White Gold
9.00 Carat Diamond & Green Emerald Bracelet 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 ...
Diamond, Emerald, 18k Gold, Yellow Gold
12.90 Carat Weight Blue Sapphire Pendants 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 incredible gemstone is a 12.90 carat Oval unheated blue sapphire found in Sri Lanka. Its unheated and extremely scarce. The color it has is the color it had when it was found in the ground. The clarity and transparency are superb. Surrounded with 17 Oval diamonds...
Diamond, Blue Sapphire, White Gold
2.50 Carat Oval Ruby & Diamond Pendant 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 ...
Diamond, Ruby, White Gold, 18k Gold
4.92 Carat Green Cushion Emerald & Diamond Pendant 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 ...
Diamond, Emerald, 14k Gold, White Gold
5.00 Carat Blue Oval Sapphire & 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 ...
Diamond, Sapphire, 18k Gold, White Gold
4.79 Carat Oval Green Tsavorite & Diamond Pendant 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 ...
Diamond, Tsavorite, 14k Gold, White Gold
4.67 Carat Oval Green Tsavorite & Diamond Pendant 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 ...
Diamond, Tsavorite, 14k Gold, White Gold
2.90 Carat Blue Oval Sapphire & Diamond Pendant 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 ...
Diamond, Sapphire, 14k Gold, White Gold
2.86 Carat Blue Round Sapphire & Diamond Pendant 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 ...
Diamond, Sapphire, 14k Gold, White Gold
2.00 Carat Blue Pear Sapphire & 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 ...
Diamond, Sapphire, Platinum
32.88 Carat Aquamarine Cushion Pendant In 14k White Gold
Located in Chicago, IL
This breathtaking pendant showcases a magnificent 32.88-carat cushion-cut aquamarine, celebrated for its striking, oceanic blue hue and exceptional clarity. The aquamarine's serene, ...
Aquamarine, White Gold, 14k Gold
3.71 Carat Green Oval Emerald & Diamond Pendant In 14k White Gold
Located in Chicago, IL
This elegant pendant features a captivating 3.71-carat green oval emerald, renowned for its rich, vibrant hue and exceptional clarity. The emerald is surrounded by a dazzling halo of...
Diamond, Emerald, 18k Gold, White Gold
3.62 Carat Green Oval Emerald & Diamond Pendant In 18k Rose 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 ...
Diamond, Emerald, 18k Gold, Rose Gold
2.67 Carat Green Emerald & Diamond Pendant 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 ...
Diamond, Emerald, 18k Gold, White Gold