Mid Century GIA 4.55 carat no heat sapphire diamond platinum tank ring

Radiant and refined, this Mid Century platinum ring showcases a magnificent 4.00 carat GIA-certified Burmese sapphire of vivid royal blue hue and natural, unheated purity. The cushio...

Center Stone: Sapphire Certificate: GIA #5202851022 Cut: Oval Weight: 11.46 Carat Color: Blue Origin: Sri Lanka Treatments: No heat Accent Stone: 24 Diamonds Cut: Single Weight: Appr...

This vintage platinum ring showcases a GIA-certified 5.10-carat oval cut heated Sri Lankan sapphire, accented by two round brilliant and four tapered baguette cut diamonds totaling ....

This vintage 18k white gold cocktail ring showcases a 3.90 carat GIA-certified heated Thai sapphire, encircled by an opulent halo of 94 round brilliant and baguette diamonds. Crafted...

--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Cut - Prong Set - Very Nice Clean Blue Color - No Heat - 5.25ct (exact) ** See Certification Details Below for Complete In...

Circa 1950's sapphire and diamond ring. Vivid blue round GIA certified natural center Sapphire, no heat, of Madagascar origin. 16 round brilliant cut diamond halo with 6 baguette acc...

A stunning vintage 2.82 carat Ceylon sapphire and 1.80 carat diamond, platinum cocktail ring; part of our diverse vintage jewellery and estate jewelry collections. This stunning, fine and impressive Ceylon sapphire ring with diamonds has been crafted in platinum. The pierced decorated, twisted multi-stranded design is ornamented with a feature 2.82ct oval brilliant cut unheated Ceylon sapphire The spiralling platinum setting is embellished with thirty-six pavé set eight-cut diamonds, totalling 1.80cts. The multi-stranded ring shoulders integrate with the main setting at a lobed design and amalgamate to form the plain ring shank. The ring is hallmarked to the interior of the shank with the platinum fineness mark (PT950). This vintage sapphire cocktail ring...

Simply Beautiful! Vintage Finely detailed Oval Ceylon Sapphire GIA and Baguette Diamond Platinum Cocktail Ring. Centering a Hand set securely nestled Oval Ceylon Sapphire, weighing a...