A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40 carats, accented by French cut sapphires and round brilliant cut diamonds, further round brilliant

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire of 5.88 carats, between stepped shoulders set with baguette cut diamonds, stamped Platinum, size N / 6.75

Platinum, Sapphire, and Diamond Ringcentered on a prong set emerald cut sapphire (6.92 x 5.17 x 3.90 mm) weighing approximately 1.51 carats and with single cut diamond melee weighing approximately .09

An impressive platinum Burma sapphire ring, set with an emerald-cut sapphire weighing approximately 11.50 carats, between two step-cut diamond weighing approximately 0.30 carats. Assay marks. Weight 9

A PLATINUM, SAPPHIRE AND DIAMOND RING AND EARRING SET Featuring emerald-cut sapphires accented by two rows of round diamonds weighing approximately 1.45 carats, ring size 5 1/2, earrings measure 1/2 x

A Platinum & Diamond Ring. Platinum mounting contains five prong set emerald cut diamonds. The diamonds are approximately VS clarity, E-F color and are .40 carat each. Size: 10 Wt: 8.0 grams

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

A 1.50 CARAT DIAMOND DRESS RING, CARTIER in white gold or platinum, set with round cut diamonds totalling approximately 1.50 carats, signed Cartier, size O / 7, 4.4g.

AN EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald of 0.37 carats between trios of old cut diamonds, stamped PLAT, size L / 5.75, 2.7g.

EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald in a cluster of old cut diamonds, stamped 950, size O / 7, 2.70g.

AQUAMARINE AND DIAMOND DRESS RING, HIRSH in platinum, set with an emerald cut aquamarine of 1.72 carats, accented by two round cut diamonds, signed Hirsh, full British hallmarks, size L / 5.5, 5.4g.

A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an emerald cut yellow sapphire of 2.96 carats between trios of round cut diamonds, with further step cut diamonds either side, French assay mar

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire within two concentric rows of round brilliant cut diamonds, each shoulder set with a trio of round brilliant cut diamonds,

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

Estate Platinum & Diamond Eternity Band. Ring size 8.5. Channel set with emerald cut diamonds approximately 2 carats.

LADY'S YELLOW SAPPHIRE & DIAMOND, PLATINUM BAND RING :Set with: 1 emerald cut natural golden sapphire, 2.80 carats. Stone dimensions 9.9 x 7.9 x 3.3 mm. 6 bullet shape step-cut diamonds, 0.52 carats.

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of approximately 5.02 carats, accented by rows of round brilliant cut diamonds, with further round brilliant cut diamonds to the

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 /

View a video of this lot: Click HereCrafted in platinum; set with a round brilliant cut diamond, weighing approximately 2.65 carats, with J-K color and SI1-SI2 clarity; rectangular fa

Vintage Platinum, Sapphire, and Diamond Ringcentering on a round cut sapphire (6mm) weighing approximately 1.1 carats set between two transitional cut diamonds weighing approximately 1.6 total carats

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

A GREEN SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1940 in 18ct yellow gold, in abstract design, set with an emerald cut green sapphire and four round cut diamonds, stamped 18K, size O / 7, 7.3g.

set to the center with one emerald cut diamond weighing approximately .93 carat (F color, I1 clarity) and accented to each side with two bezel set straight cut baguette diamonds with a combined weight