AN UNHEATED SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of 2.34 carats,

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of 0.62 carats accented on each side by a round brilliant cut diamond, no assay marks, size O / 7, 2.3g.

AN UNHEATED SAPPHIRE, DIAMOND AND ENAMEL DRESS in platinum, set to the centre with an unheated Madagascan octagonal step cut sapphire of 1.30 carats in a border of black enamel and round brilliant cut

14 kt. White Gold, Yellow Sapphire and Diamond Ring , center prong set octagonal step cut yellow sapphire, wt. 1.39 cts., 6.35 x 4.97 x 4.25 mm; double halo and support with 66 square and round brilli

SAPPHIRE AND DIAMOND RING, CIRCA 1950 The octagonal step-cut sapphire, weighing 19.33 carats, between brilliant-cut diamond accents, within radiating courses of baguette-cut diamonds, in a raised wire

SAPPHIRE AND DIAMOND RING Set with an octagonal-cut sapphire, weighing 7.65 carats, between shoulders set with baguette and brilliant-cut diamonds, ring size approx. M Footnotes: Accompanied by a re

A SAPPHIRE AND DIAMOND RING set with a rectangular step cut blue sapphire of 1.24 carats within a cluster of old cut diamonds, no assay marks, size N / 6.5, 4.3g.

SAPPHIRE AND DIAMOND RING Containing one octagonal step cut sapphire measuring approximately 10.10 x 8.75 x 5.30 mm, two triangular and two baguette cut diamonds weighing approximately 1.10 carats tot

A Retro Rose Gold, Sapphire and Diamond Ring, containing one octagonal step cut sapphire measuring approximately 5.84 x 4.44 x 2.80 mm and two old mine cut diamonds weighing approximately 0.40 carat t

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

Fourteen-Karat White Gold, Yellow Sapphire and Diamond Ring, set with a central emerald step-cut natural yellow sapphire, with an approximate weight of 5.89 carats, accented by fifty-eight round brill

A sapphire and diamond ringdesigned as an octagonal step-cut sapphire, weighing approximately 2.20, flanked by triangular-cut diamonds, each weighing approximately 0.38 or 0.40 carat, mounted in plati

AN UNHEATED VIOLET SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a central oval cut violet sapphire of 2.02 carats, within a navette border set with clusters of marquise and round brill

AN UNHEATED SAPPHIRE AND DIAMOND RING set with a cabochon sapphire of 11.91 carats, the shoulders accented by old mine cut diamonds, no assay marks, size H / 4, 4.8g. Accompanied by a gemmological rep

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

Genuine Sapphire and Earth-Mined Diamond Ring.  The 1.70 carat oval-cut, prong-set sapphire has a mesmerizing blue color and a floating halo made up of .58 carats round, brilliant-cut, G-H color,

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 YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately 4.00 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size O / 7, 4.4

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

View a video of this lot: Click HereCrafted in 18K white and yellow gold; set with a cushion modified mixed cut natural Ceylon unheated sapphire, weighing approximately 7.15 carats; s

centering one octagonal modified brilliant-cut sapphire weighing 7.67 carats, with GIA report no. 2225291333 stating the sapphire is unheated; with two trillion-cut diamonds [I-K/SI2-I1] weighing appr

AN 18 CARAT WHITE GOLD SAPPHIRE AND DIAMOND RING an octagonal-cut sapphire in a claw setting, to diamond-set shoulders. Estimated total diamond weight 0.10ct, hallmarked Sheffield, ring size M, 3.3 gr

Crafted in 14K white gold; set with a 10.85-carat oval-shaped unheated sapphire; surrounded by round brilliant-cut diamonds, weighing a total of 2.34 carats (diamond weight is engraved), most with H-I

View a video of this lot: Click HereCrafted in 14K white gold; set with a 18.14 carat cushion faceted Ceylon unheated sapphire; flanked by two baguette cut diamonds, weighing a total

View a video of this lot: Click HereCrafted in platinum; set with a cushion faceted sapphire, weighing approximately 3.25 carats; accented by round brilliant and baguette cut diamonds