Edwardian 3.30 CTW Alexandrite Diamond Platinum Scrolling Three Stone Ring GIA
Located in Philadelphia, PA
Centering a cushion cut alexandrite weighing 1.56 carats - natural Ceylon in origin Displaying moderate color change from transparent green to brownish purple Flanked by old European...
Alexandrite, Diamond, Platinum
Contemporary 4.60 CTW Color-Change Sapphire Diamond 14 Karat Gold Halo Ring GIA
Located in Philadelphia, PA
Centering an oval cut sapphire weighing 3.31 carats - displaying color change under incandescent light Transparent bluish violet to purple and natural Ceylon ( Sri Lankan) in origin ...
Diamond, Sapphire, Gold, 14k Gold, White Gold
1980 16.58 CTW No Heat Ceylon Sapphire Garnet Diamond 18K Gold Vintage Ring GIA
Located in Philadelphia, PA
Centering an oval cut sapphire weighing 9.73 carats total - transparent light yellow Natural Sri Lankan (Ceylon) in origin displaying no indications of heat treatment Prong set in ba...
Diamond, Sapphire, Yellow Sapphire, Gold, 18k Gold, White Gold
Contemporary 4.60 CTW Color-Change Sapphire Diamond 14 Karat Gold Halo Ring GIA
Located in Philadelphia, PA
Centering an oval cut sapphire weighing 3.31 carats - displaying color change under incandescent light Transparent bluish violet to purple and natural Ceylon ( Sri Lankan) in origin ...
Diamond, Sapphire, Gold, 14k Gold, White Gold
1980's Vintage 4.73 CTW Diamond Spinel Platinum Three Stone Ring
Located in Philadelphia, PA
Centering an oval cut spinel weighing approximately 3.85 carats total - transparent medium blue in color Prong set in basket and flanked by triangular step-cut diamonds prong set in ...
Diamond, Spinel, Platinum
Contemporary 2.85 CTW Spinel Diamond Platinum Cushion Halo Ring
Located in Philadelphia, PA
Featuring a mixed cushion cut spinel weighing approximately 2.60 carats Transparent with saturated purplish pink color - prong set in basket Surrounded by a round brilliant cut diamo...
Diamond, Spinel, Platinum
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...
Diamond, Alexandrite, 14k Gold, White Gold
Alexandrite and Diamond Halo Ring in 14k White Gold – GIA 5231521444
Located in Bloomington, MN
Alexandrite and Diamond Halo Ring in 14k White Gold – GIA 5231521444 This alexandrite and diamond halo ring is crafted in 14k white gold and features a 4.89 carat oval alexandrite a...
Alexandrite, Diamond, 14k Gold, White Gold
GIA Certified 1.87ct Natural Color Change Alexandrite Diamond Ring 14kt*
Located in New York, NY
GIA certified natural 1.87 carat color change alexandrite ring. Certificate #1206895030 Measures 7.64 X 6.30 x 4.25 mm. Transparent, yellow green changing to yellow. Cushion cut ...
Alexandrite, Diamond, 14k Gold, White Gold
18 Karat Gold Natural Unheated Alexandrite Diamond Ring GIA 'Center 3.91 CT.'
Located in San Francisco, CA
From our signature collection of exquisite masterpieces, this royalty ring is handcrafted in 18k white gold, featuring a one-of-a-kind GIA certified Cushion Shape 3.91 -carat Natural Alexandrite certificate number 5171387014. This Handcrafted ring contains 24 Brilliant round diamonds Micro-Prong set in a total weight of 0.45 Carat. The ring's shank is 1.95 MM wide and the ring thickness is 1.9 mm comfort fit. The Alexandrite exhibits a vibrant Green color changing to Yellowish Green changing to Purplish...
Alexandrite, Diamond, 18k Gold, White Gold
GIA Certified Alexandrite Ring with Natural Diamond Accents: Solid 14k Dual Gold
Located in Columbus, OH
Elegant dual-gold 14k setting with a certified alexandrite and sparkling natural diamond accents—sophistication that changes with every glance. A color-changing alexandrite wrapped ...
Alexandrite, Diamond, Gold, 14k Gold, Rose Gold, White Gold
7.75ct Alexandrite Diamond Gold Ring, GIA Certified
Located in Beverly Hills, CA
A large and impressive alexandrite, weighing 7.75 carats takes center stage! It is shaped as a cushion and is certified by the GIA as natural with color-change as the stone moves fro...
Alexandrite, Diamond, Gold, 18k Gold, White Gold
