A SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire weighing approximately 3.99cts, wit

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 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

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

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

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

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

Jade, Diamond, Sapphire, 18k Gold Ring. Centering one rectangular cushion shaped jadeite segment measuring approximately 19.5 x 7 mm, accented by twenty-four square-cut sapphires weighing a total of a

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 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 RUBY AND DIAMOND CLUSTER RING The cushion-shaped ruby weighing approximately 2.15cts within a surround of old brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 2.20cts total, ring

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

A Ceylon sapphire and diamond cluster ring. The cushion-shape sapphire, weighing 9.43cts, with brilliant-cut diamond stepped surrounds, to the openwork shoulders. With report 78151-38, dated 11th Apri

A Ceylon sapphire and diamond cluster ring. The cushion-shape sapphire, weighing 2.08cts, with single-cut diamond surround. Accompanied by report number 5776-7039, dated 26th September 2016, from the

A DIAMOND CLUSTER RING Centring an old cushion-shaped diamond weighing approximately 1.20cts, within a similarly-cut diamond surround and between old single-cut diamond shoulders with foliate detailin

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

Platinum, Sapphire and Diamond Cluster Ring, centering eleven marquise-shaped sapphires, approximately 1.5 carats, accented by fourteen round diamonds, approximately 1.50 cts, signed Cartier, approxim

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

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

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

Sapphire, Diamond, Platinum Ring Stones: Oval-shaped sapphire weighing approximately 7.80 carats; marquise and tapered baguette-cut diamonds weighing a total of approxima