A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut blue sapphire of 7.70

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum and 18ct white gold, set with a cushion cut blue sapphire of 4.17 carats, within a border of round cut diamonds, the diamonds all totalling 2.2-2

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 6.12 carats, within a border of single cut diamonds, no assay marks, size N / 6.75, 5.4g. Accompanied by a gemmologic

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

NO RESERVE - A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut blue sapphire of 3.49 carats accented by rose cut diamonds, on a twisted wire band, no assay marks, size

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette shaped face set with a cushion cut blue sapphire of 1.18 carats, within a surround of old European brilliant cut di

Crafted in luxurious platinum, centered by a GIA-certified Blue Sapphire, cushion cut, weighing approximately 5.87 carats, No heat all natural without any treatments. sided by Round & baguettes cut Di

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 4.18 carats, within a graduated border of old cut and round cut diamonds, no assay marks, size N / 6.75, 4.0g. Accompa

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut blue sapphire of 3.39 carats in a cluster of round brilliant cut diamonds, no assay marks, size M / 6, 4.5g. Accompanied by a ge

18 kt. White Gold, Unheated Ceylon Sapphire and Diamond Ring, center prong set cushion mixed cut unheated Ceylon blue sapphire, wt. approx. 11.31 cts., approx. 13.73 x 10.75 x 7.41 mm; shoulders with

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut sapphire of 4.79 carats in a cluster of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 6.7g. A

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

Faceted cushion cut lively blue sapphire, 12.61 x 10.94 x 7.10 mm., 9.75 cts. by formula, strapped motif shoulders with RBC and baguette cut diamonds, RBC diamond rails, approx. 1.0 cts. TW. Setting m

IMPORTANT CERTIFICATED 10.88 CT. CEYLON BLUE SAPPHIRE AND DIAMOND CLUSTER RING, in 18-ct gold. Set with a central cushion cut blue sapphire of 10.88 ct. flanked with diamonds totalling approx. 1.40 ct

A CEYLON NO HEAT SAPPHIRE DRESS RING in yellow gold, set with a row of six cushion cut blue sapphires, all totalling 2.36 carats, no assay marks, size N / 6.75, 2.2g. Accompanied by a gemmological rep

CEYLON NO HEAT SAPPHIRE AND DIAMOND RING, BULGARI in platinum and 18ct gold, claw set with an emerald cut sapphire of 6.54 carats, accented by pairs of baguette cut diamonds, signed Bvlgari, size N /

A FINE ART DECO CEYLON NO HEAT SAPPHIRE, DIAMOND AND PEARL NECKLACE, EARLY 20TH CENTURY in platinum and yellow gold, set throughout with nine oval cut blue sapphires all totalling approximately 16.90

4.40ct GIA Certified Cushion Cut No Heat Blue Sapphire, 2.70ctw VS1-VS2/G-H Diamond & Solid Platinum Ring W/Ornate Incised Band (Comes W/$37,000 Appraisal) - This stunning ring was finely crafted of s

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING, SRI LANKA (CEYLON), NO HEATThe cushion cut sapphire with blue to purple colour change estimated to weigh 9.30 carats, within a surround of old mine c

centered with one rectangular cushion cut blue sapphire weighing .73 carat and the floral motif mount with bead and bezel set old mine cut diamonds weighing approximately .83 total carat (H-J color, S

Platinum, Blue Sapphire and Diamond Ring, center prong set mixed cut cushion shape sapphire, wt. exact 6.96 cts., 13.37 x 10.40 x 5.71 mm; ballerina bezel with numerous round and tapered baguette shap

Platinum ring with a 9.0 carat natural Blue Sapphire cushion step cut center gemstone and 48 round brilliant and baguette diamonds with a total weight of 2.68 carats. The heat treated Blue Sapphire is

A natural 6.36 carat sapphire that has been GIA certified as Ceylon origin with no indications of heat treatment or any other type of enhancements. The sought after cornflower blue oval cut sapphire h

Platinum topped 14k yellow gold Edwardian style cluster ring with a cushion set dark blue sapphire center (8.5 x 6.5mm), surrounded by 12 prong set early cut rounds diamonds (2.88mm each) with an expa

Set with a cushion-shaped Kashmir sapphire weighing 6.76 carats, surrounded by 8 circular-cut diamonds, diamonds weighing 6.07 carats in total, mounted in platinum, ring size 6Gübelin, 2022, report