A YELLOW SAPPHIRE AND DIAMOND RING Cushion-shaped

GRIMA: YELLOW SAPPHIRE AND DIAMOND DRESS RING, 1977 The cushion-shaped yellow sapphire in a geometric mount with bifurcated shoulders, accented by brilliant-cut diamonds, mounted in 18 carat gold, sig

YELLOW SAPPHIRE AND DIAMOND RING The cushion-shaped yellow sapphire between brilliant-cut diamond-set shoulders, ring size approx. P For further information on this lot please visit Bonhams.com

Ceylon Sapphire, Sapphire, Diamond, Platinum, Gold Ring Stones: Cushion-shaped pink sapphire weighing 4.90 carats; cushion-shaped yellow and blue sapphires we

Sapphire, Diamond, Gold Ring Stones: Cushion and pear-shaped yellow and orange sapphires weighing a total of approximately 16.25 carats; full-cut diamonds weighing a tota

featuring a center modified cushion-cut yellow sapphire weighing approx. 13.25 cts. in a baguette diamond heart-shaped surround, weighing approx. 2.65 tcw, high polish finish, stamped 18K, size 5, 16

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

SAPPHIRE AND DIAMOND RING, 2020 The cushion-shaped sapphire between two epaulette-cut diamonds, mounted in platinum, London hallmark, ring size approx. J, cased by G. Collins & Sons Footnotes: Accompa

White Gold, Yellow Sapphire, and Diamond Ringthe shaped band with a zig zag motif to front set with square cut yellow sapphires weighing 1.19 total carats and outlined with full cut round diamonds wei

A SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire weighing 5.70cts set in a four-claw setting within a brilliant-cut diamond frame, mounted in 18K gold, diamonds approximately 1.20cts, r

A SAPPHIRE AND DIAMOND RING, centring a cushion-shaped sapphire within collet-setting, to a fancy-cut sapphire and single-cut diamond surround, ring size K

Mauboussin Paris White and Blackened Gold, Citrine, Pink Sapphire, Diamond Ring 18 kt., one cushion-shaped citrine ap. 35.40 cts., 54 round diamonds ap. .90 ct., round pink sapphires, signed Mauboussi

A SAPPHIRE AND DIAMOND DRESS RING The central cushion-shaped sapphire weighing 5.59cts within a four-claw setting and between half-moon-shaped diamond shoulders, mounted in 18K gold, diamonds approxim

SAPPHIRE AND DIAMOND CLUSTER RING, 19TH CENTURY The cushion-shaped sapphire, weighing 5.74 carats, within a border of old brilliant-cut diamonds, between scroll engraved bifurcated shoulders in 18 car

ELIZABETH LOCKE, YELLOW GOLD, SAPPHIRE AND DIAMOND RING Containing one cushion mixed cut sapphire measuring approximately 6.70 x 6.70 x 4.00 mm and two round brilliant cut diamonds weighing approximat

A Sapphire and Diamond RingSet with a cushion-shaped sapphire measuring 8.84 mm x 8.14 mm x 5.25 mm and weighing 3.56 carats, accented by a pair of trillion-shaped diamonds weighing a total of approxi

A Sapphire and Diamond RingSet with a cushion-shaped sapphire measuring approximately 8.78 mm x 7.35 mm x 4.27 mm and weighing approximately 2.49 carats, surrounded by 46 round brilliant-cut diamonds

SAPPHIRE AND DIAMOND RING, CIRCA 1915-20 The old cushion-shaped sapphire, weighing 13.81 carats, within an engraved and pierced platinum mount with foliate detail, millegrain-set with old brilliant an

A Victorian Yellow Gold, Burmese Sapphire and Diamond Ring, containing one cushion shape mixed cut sapphire weighing 10.738 carats and 12 rose cut diamonds weighing approximately 0.50 carat total. Acc

Ceylon Sapphire, Diamond, Platinum Ring Stones: Cushion-shaped sapphire weighing 19.66 carats; full-cut diamonds weighing a total of 1.36 carats Metal: Plati

Ceylon Sapphire, Diamond, Platinum Ring Stones: Cushion-shaped sapphire weighing 16.14 carats; full-cut diamonds weighing a total of 0.70 carat Metal: Platin

Platinum, Sapphire and Diamond Ring. Prong-set with a cushion-shaped sapphire weighing 4.07 carats, flanked by round diamonds, size 7. Accompanied by GIA report no. 2203365353

Ceylon Sapphire, Diamond, Platinum Ring The ring features a cushion-shaped sapphire measur

AN UNHEATED YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with a cushion cut yellow sapphire of 9.43 carats accented by old cut diamonds, stamped PLAT, size O / 7, 5.9g. Accompanied by a gemmologi

14kt Yellow Gold Sapphire & Diamond Ring Size 6, featuring an antique cushion cut cornflower blue sapphire (12.5ct tgw - medium light blue color) surrounded by a halo of round diamonds (I-SI2 approx.