A synthetic sapphire single-stone ring. The cushion-cut

(Lot of 2) Sapphire, diamond and platinum rings Including 1) cushion-cut sapphire, synthetic sapphire, diamond and platinum ring, size 5 (several stones are missing); together with 1) round-cut sapphi

VINTAGE LADY'S PLATINUM AND 14K WHITE GOLD RING, cushion-shape top set with a central synthetic sapphire surrounded by 16 mine cut or antique single cut melee diamonds, not marked. Diamonds: approxima

Ceylon Sapphire, Diamond, Platinum Ring, circa 1950 Stones: Cushion-shaped sapphire weighing 6.80 carats; European, transitional, and single-cut diamond

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 synthetic colour-change sapphire single-stone ring. The oval-shape synthetic colour-change sapphire, with rope-twist surround and openwork gallery. Ring size M. Weight 13.8gms.

A Sri Lankan sapphire single-stone ring. The cushion-shape sapphire, weighing approximately 4cts, to the tapered band. Accompanied by report number 5775-1960, dated 11th May 2015, from the Gemmologica

A synthetic colour change sapphire single-stone ring. The oval-shape synthetic colour change sapphire, to the openwork gallery and plain band. Ring size L 1/2. Weight 7.4gms. Overall condition good. M

A LATE VICTORIAN SINGLE STONE DIAMOND RING CIRCA 1900The cushion cut diamond weighing 3.71 carats in a claw setting, to a reeded shank Size/dimensions: finger size I 1/2Gross weight: 4.1 grams

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

A diamond single-stone ring claw-set with a cushion-cut diamond, to a plain band, stamped 18(Ring size: Q/R)

SYNTHETIC SAPPHIRE AND DIAMOND RING Containing one cushion mixed cut synthetic sapphire measuring approximately 8.25 x 6.55 x 5.00 mm and 12 round brilliant cut diamonds weighing approximately 0.60 ca

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.

AN EARLY 20TH CENTURY SYNTHETIC COLOUR-CHANGE SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut synthetic colour-change sapphire within a milgrain border of round-cut diamonds. Estimated total diamond w

ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. Cushion shape rectangular synthetic sapphire weighing 3.50-4.00 ct. surrounded by 14 old mine cut diamonds together weighing appr

A selection of three gem-set rings. To include a snake ring with ruby eye detail, a sapphire single-stone ring, together with a synthetic sapphire and ruby buckle ring. Two with hallmarks for 9ct gold

An assortment of five dress rings. To include an 18ct gold old-cut diamond five-stone ring, a 9ct gold brilliant-cut diamond single-stone ring, a synthetic ruby and cubic zirconia accent hand ring, to

An 18ct gold sapphire and diamond three-stone ring. The cushion-shape sapphire and brilliant-cut diamond line, with openwork shoulders and tapered band. Estimated total diamond weight 0.20ct. Hallmark

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

DIAMOND SINGLE-STONE RING Set with an old brilliant-cut diamond, within a surround and shoulders set with cushion and single-cut diamonds, principal diamond approx. 1.35cts, ring size approx. L½

An 18ct gold sapphire and diamond single-stone ring. The marquise-shape pink sapphire, with circular-cut diamond line shoulders. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham. Ring s

A smoky quartz pendant and two gem-set rings. To include a smoky quartz single-stone pendant, a turquoise and paste three-stone ring, together with a synthetic colour-change sapphire single-stone ring

A sapphire and diamond two stone ring, of crossover design with the old cushion cut diamond, estimated weight approximately 0.50cts, claw set obliquely to a similarly sized deep royal blue sapphire, e

A sapphire and diamond three-stone ring. The cushion-shape orange sapphire, with brilliant-cut diamond sides. Estimated diamond weight 0.30ct, L-tinted colour, SI2-P1 clarity. Ring size M1/2. Weight 3

A sapphire and diamond three-stone ring. The cushion-shape pink sapphire, with old-cut diamond sides. Estimated total diamond weight 0.25ct. Ring size Q. Weight 5.1gms. Overall condition good with lig