A synthetic sapphire and diamond three-stone ring.

Two gem-set rings. To include a 9ct gold sapphire and diamond three-stone crossover ring, together with a synthetic blue spinel and paste accent ring. One with hallmarks for London, 1979. Total weight

Three gem-set rings. To include a mid 20th century synthetic sapphire single-stone ring, a graduated diamond five-stone ring, together with a graduated diamond three-stone crossover ring. One AF. Esti

A three stone diamond ring, together with a sapphire and diamond eternity ring and a silver and synthetic ruby ring (3)

Collection of Three Synthetic Multi-Stone, Gold Rings. Including one synthetic sapphire, 14k yellow and white gold ring, size 3 1/4; one diamond, synthetic ruby, 10k yellow gold ring, size 9 3/4 toget

A GROUP OF SILVER AND STONE-SET JEWELRY Comprising a ring engraved 'R', three necklaces and a bangle bracelet, set with diamond, turquoise, coral, rhinestone, synthetic sapphire, composite turquoise a

Platinum "pt 900" band with diamonds and "18k" yellow gold accents, 9.8 grams, "18K" white gold ring with two diamonds and synthetic Sapphire Stone, Yellow Gold Band, 9.0 grams 18K

14K GOLD: three diamond, amethyst, jade, paste stone and white sapphire. 10K GOLD: diamond cluster, cameo, topaz and red synthetic, 24.3 dwt gross together with gold filled garnet and pink stone

Three Art Deco Era Gold Rings. Each having a white gold filigree setting with precious stones including genuine diamonds, a ruby, and a synthetic sapphire. The ring with the synthetic sapphire is stam

14K pendant with three oval rubies, 14K flower basket pendant with rubies, sapphires and emeralds on chain, 14K yellow gold synthetic pink stone ring, sz 6.25 and 10K yellow gold amethyst and diamond

14K SAPPHIRE & DIAMOND THREE STONE RING set with a center diamond approx. 0.25 carats (in our opinion: E-F color, VS1 clarity, however not guaranteed), flanked by 2 round sapphires approx. 0.50 carats

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 Burmese sapphire and diamond three-stone ring. The oval-shape Burmese sapphire, weighing 3.52cts, with circular-cut diamond sides, to the brilliant-cut diamond shoulders. Accompanied by report numbe

A sapphire and diamond three-stone ring claw-set with an oval-cut sapphire and two round brilliant-cut diamonds, the plain band stamped PLAT; with accompanying report by Gemmological Certification Ser

A SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold, set with a cushion cut blue sapphire of 3.02 carats, between two old cut diamonds, accented by rose cut diamonds, the diamonds all totalling 1.7

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 2.52 carats between two cushion cut diamonds both totalling 2.0-2.1 carats, stamped 18ct, size O / 7, 4.6g.

AN 18 CARAT WHITE GOLD SAPPHIRE AND DIAMOND THREE STONE RING a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, ring size M, 4.9 grams Good condition. T

4.14ct Cushion Blue Certified Sapphire Diamond Three-Stone Engagement Ring

A SUPERB 18CT GOLD, SAPPHIRE AND DIAMOND THREE STONE RING.

A SAPPHIRE AND DIAMOND THREE STONE RING, a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, ring size M1/2, 3.3 grams Accompanied by a Gemological Report

A SAPPHIRE AND DIAMOND THREE STONE RING, a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.60ct, ring size O1/2, 5.0 grams

SAPPHIRE AND DIAMOND THREE-STONE RING The octagonal-cut sapphire between cushion-shaped diamonds, ring size approx. K For further information on this lot please visit Bonhams.com

A SAPPHIRE AND DIAMOND THREE-STONE RING, Millegrained collet settings, yellow gold shank, Oval sapphire, 2.25 carats, Circular-cut diamonds, approximate total 0.65 carats, Stamped 18CT PLAT, Size O /

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of 1.60 carats between two round brilliant cut diamonds both totalling 0.4-0.5 carats, no assay marks, size K / 5, 2.8g.

SAPPHIRE AND DIAMOND THREE STONE RING The cushion-cut sapphire between two old brilliant-cut diamonds, diamonds approx. 0.95cts total, ring size approx. N For further information on this lot please vi