A SAPPHIRE AND DIAMOND DRESS RING The central cushion-shaped sapphire weighing 5.59cts within a

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

A SAPPHIRE AND DIAMOND DRESS RING, the central oval-shaped sapphire weighing approx. 15.00cts within a rose-cut diamond surround, mounted in gold, ring size P

DIAMOND AND SAPPHIRE CLUSTER RING, EARLY 20TH CENTURY The central cushion-shaped diamond, weighing 1.65 carats, within borders of calibré-cut sapphires and single-cut diamonds, ring size Q Footno

SAPPHIRE AND DIAMOND RING The cushion-shaped sapphire, weighing 1.17 carats, within a surround of old brilliant-cut diamonds, between similarly-cut diamond shoulders, ring size I Footnotes: Accompanie

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

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 SAPPHIRE AND DIAMOND RING, BY CARTIER The central oval-shaped sapphire weighing approximately 5.00cts within eight-claw setting accented with brilliant-cut diamonds to similarly-cut diamond shoulder

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

SAPPHIRE AND DIAMOND RING The cushion-shaped sapphire within a surround of brilliant-cut diamonds, between similarly-cut diamond shoulders, ring size K Footnotes: Accompanied by a report from GCS stat

SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire, within a brilliant-cut diamond surround, between heart-shaped diamond cluster shoulders, heart shaped diamonds approx. 0.50ct total, ring

SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire within a cushion-shaped diamond surround, diamonds approx. 2.30cts total, ring size approx. M

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

PINK SAPPHIRE AND DIAMOND THREE STONE RING The cushion-shaped sapphire, weighing 5.12 carats, between trilliant-cut diamond shoulders, ring size M Footnotes: Accompanied by a report from The Gem & Pea

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

A SAPPHIRE AND DIAMOND DRESS RING, the oval-shaped sapphire within a brilliant-cut diamond surround and similarly-cut diamond shoulders, mounted in 14K gold, ring size J½

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

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING set with a central cushion cut sapphire of 2.86 carats with a double row diamond border with stylised edge. Ring size N / 6.75.

Sapphire, Diamond, White Gold Ring Stones: Cushion-shaped sapphire weighing 7.05 carats; full-cut diamonds weighing a total of 0.18 carat Metal: 18k white go

Sapphire, Diamond, White Gold Ring Stones: Cushion-shaped orange sapphire weighing 13.30 carats; square brilliant and full-cut diamonds weighing a total of approximately

A PINK SAPPHIRE AND DIAMOND CLUSTER RING, composed of a central oval-shaped pink sapphire within a baguette-cut diamond surround to similarly-cut and single-cut diamond shoulders, mounted in 18K gold,

View a video of this lot: Click HereCrafted in 18K white gold; set with a cushion-shaped sapphire, weighing approximately 4.10 carats; flanked by two round brilliant-cut diamonds, wei

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