Vintage Platinum Aquamarine and diamond ring, Vintage platinum Aquamarine & diamond ring. ~ Circa: late 1940's early 1950's. Exquisite platinum ring is approx. 18 carat rectangular step cut Aquamarine. Enhanced with 12 side-stone diamonds. Combination bead set and bezel set, with mil-grain finish. USD 8,800
Platinum, Diamond and Sapphire Ring | Sotheby's | Platinum, Diamond and Sapphire Ring Set with nine baguette diamonds weighing approximately 2.40 carats, bordered by French-cut sapphires, size 5¼, partially numbered; circa 1925. Estimate 10,000 — 15,000 USD LOT SOLD. 31,250 USD (Hammer Price with Buyer's Premium)
Colombian Emerald Ring, 4.69 carats, USD $400,000. 4.69-carat Colombian emerald displays a richness and depth of color found only in the most prized gems. This step-cut gem's brilliant, verdant hue is perfectly complemented by approximately 3.11 carats of diamonds, including two shield-cut stones, all set in a platinum and 18K yellow gold double band. This incredible emerald is certified by Gübelin Gemlab as being Colombian in origin.