A COLOUR CHANGE BLUE SAPPHIRE AND ENAMEL DRESS RING in

A VINTAGE SYNTHETIC COLOUR CHANGE SAPPHIRE DRESS RING in yellow gold, set with a round cut synthetic colour change sapphire, no assay marks, size P / 7.5, 7.1g.

A VINTAGE SYNTHETIC COLOUR CHANGE SAPPHIRE DRESS RING in yellow gold, set with an emerald cut synthetic colour change sapphire, accented by foliate motifs to the mount, marked indistinctly, size N / 6

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING, SRI LANKA (CEYLON), NO HEATThe cushion cut sapphire with blue to purple colour change estimated to weigh 9.30 carats, within a surround of old mine c

A SYNTHETIC COLOUR-CHANGE SAPPHIRE RING a round synthetic colour-change sapphire in a claw setting. Marked '22CT', ring size J1/2 4.4 grams Stone slightly loose in setting, shank resized.

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 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 gentleman's early 20th century platinum natural colour change sapphire signet ring. The square-shape natural colour change sapphire, to the tapered band. Accompanied by report number 20024611, dated

A 14ct white gold blue Sapphire diamond dress ring. Features four marquises and twenty-six round cut Sapphires at 1.45ct in total carat weight with eye clean clarity. Set along with twenty-six round b

COLOUR-CHANGE SAPPHIRE AND DIAMOND RING The cushion-shaped colour-change sapphire between single-cut diamond shoulders, one diamond deficient, ring size approx. M Footnotes: Accompanied by a report fr

14ct white gold fancy blue topaz & white sapphire dress ring: In a very large setting measuring 35mm long, this impressive ring weighs 14.4g, and is ring size W. Stones are believed to be as stated, o

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a central cushion cut sapphire of 5.13 carats, encircled by a border of single cut diamonds, later British import marks,

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

14K round dark green Cat's Eye sapphire with inlayed blue enamel set into the ring. Sz: 6. 13 grams

GENUINE BLUE SAPPHIRE ROUND FACET 925 SILVER ENAMEL RING 14K WHITE GOLD COATING; ring size 7; STONE SHAPEROUND FACET CUTSTONE DIMENSION6 MM.MAIN STONE WEIGHT1.05 CARATCOLORBLUE;LUSTERENCHANTINGTREATME

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

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

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

SAPPPHIRE AND DIAMOND DRESS RING, in 18-ct gold. Set with a central blue sapphire of approx. 2.90 ct. Flanked with diamonds totalling approx. 0.70 ct. Size N. 4.9 grams.

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 DIAMOND AND SAPPHIRE DRESS RING the pierced face set with a principal old cut diamond, accented by calibre cut blue sapphires and single cut diamonds, no assay marks, size M / 6.25, 5.1g.

SAPPHIRE AND DIAMOND DRESS RING, in 18 ct. white gold. Set to the center with a blue sapphire of approx. 1.70 ct. Flanked with a larger diamond on each side, and smaller diamonds on the shoulders. Dia

SAPPPHIRE AND DIAMOND DRESS RING, in 18-ct gold. Set with a central blue sapphire of approx. 2.90 ct. Flanked with diamonds totalling approx. 0.70 ct. Size N. 4.9 grams.

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of cushion and round cut blue sapphires within borders of old cut diamonds, stamped 18ct, size L / 5.75, 3.7g.

SAPPHIRE AND DIAMOND DRESS RING, the head of marquise shape and openwork design. Set with a larger central diamond, flankde with blue sapphires and further diamonds, diamonds totalling approx. 0.40 ct