A DIAMOND AND SAPPHIRE DRESS RING set with a round cut diamond of approximately 0.52 carats between

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

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 ANTIQUE SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.70 carats in a border of round brilliant, old and single cut diamonds, the stepped shou

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.

circa 1970s, set to the front with one oval cabochon opal weighing approximately 5.60 carats and accented with prong set round brilliant cut diamonds weighing approximately .69 total carat (H-J color,

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

A CORAL AND DIAMOND DRESS RING in yellow gold, in abstract design, set with cabochon coral and round cut diamonds totalling approximately 0.80 carats, marked indistinctly, size N / 6, 21.62g.

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

An elegant ladies 14k white gold and natural gemstone ring. Features an oval blue sapphire surrounded by a bevy of prong set round cut diamonds. Marked 14k. Sapphire weight approximately 1.0 carats. M

A Diamond, Ruby, and Sapphire RingCentering a bezel-set round brilliant-cut diamond weighing 1.08 carats, surrounded by 36 round brilliant-cut diamonds totaling approximately .20 carat further accente

A STAR SAPPHIRE AND DIAMOND RING Designed with one central and six surrounding oval-shaped star sapphires, accented with six bezel-set round brilliant-cut diamonds weighing approximately 0.50 carat, m

View a video of this lot: Click HereCrafted in 18K white gold; set with a center round brilliant cut diamond, weighing approximately 0.70 carat, with H-I color and I clarity; accented

Vintage Platinum, Sapphire, and Diamond Ringset with two rows of full cut round diamonds weighing approximately .44 total carat (H-I color, SI2-I1 clarity), the center and outer rows set with calibre

Estate 18k White Gold 1 Ct Sapphire & Diamond Ring. Hallmarked 750. Set with an oval sapphire of approximately 1 with two tier halo of round cut diamonds totaling approximately .60 of a carat. Ring si

A SAPPHIRE AND DIAMOND RING Centering an oval-cut sapphire, the surround and shoulders set with round brilliant-cut diamonds, weighing approximately 4.30 carats, mounted in 14k white gold, size 11 1/4

View a video of this lot: Click HereMETAL: 18K white gold GEMSTONE(S): set with round brilliant-cut diamonds, weighing a total of approximately 1.00 carat, most with G-H color and SI c

14k stamped ring set with eleven round brilliant cut diamonds and sixteen 2mm each blue sapphires. Center diamond approximately .10 carat and ten surrounding diamonds approximately .03 carat each. Cla

View a video of this lot: Click HereCrafted in 18K white gold; set with princess-, baguette- and round brilliant-cut diamonds, weighing a total of approximately 1.05 carats, most with

A SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with two round cut sapphires accented by six marquise cut diamonds, the sapphires both totalling 2.40 carats, the diamonds all totalling 1.50

Marked 14k setting with twenty-one square cut channel set blue sapphires, each approximately .02 carat and eight round single cut diamonds each approximately .01 carat. Size 7.5. 2.8 total dwt. AJ/EK.

Estate 14kt Yellow Gold Sapphire & Diamond Ring. Hallmarked. Set with approximately 1.5 carats of round cut white diamonds in halo around an oval cut sapphire. Can be resized. Weighs approximately 4.9

An early to mid 20th century diamond and sapphire crossover ring set with an old cushion-cut diamond of approximately 0.45 carats, and an old round-cut sapphire, set in unmarked yellow metal (tests as

A diamond, sapphire and platinum ringdesigned as a round brilliant-cut diamond, weighing approximately 1.00 carats, bezel-set within calibré-cut sapphire frame, further enhanced by round brilliant-

Platinum, Sapphire, and Diamond Ringthree rows of calibre cut sapphires, with an offset design set with full cut round diamonds weighing approximately 1.17 total carats (I-J color, SI2-I1 clarity), te