A synthetic colour change sapphire single-stone bar

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 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 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.

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

A synthetic colour-change sapphire pendant. The oval-shape synthetic colour change sapphire, within an openwork surround, with an 18ct gold curb-link chain. Chain with hallmarks for Birmingham. Length

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

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 sapphire bracelet. The oval-shape synthetic colour-change sapphire line, with engraved spacers and ends, and an openwork link bracelet. Length 17.4cms. Weight 8.4gms.

An early 20th century 15ct gold sapphire single-stone bar brooch. The circular-shape purple sapphire, to the plain sides. Length 5cms. Weight 3gms.

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

Stamped (partially legible) and tested 14k white gold setting with approximately 7.8 carat (15.3mm x 10.8mm x 5.4mm) synthetic color change sapphire. Stone is blue in natural light and purple in incan

31.5 cts Flame Fused Synthetic Color Change Sapphire Stone length 1".

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,

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

Synthetic Stone, 18k Yellow Gold Pendant Necklace. Featuring one oval-cut synthetic color change sapphire measuring approximately 24 x 12.8 mm, surrounded by round-cut colorless stones, set in an 18k

Collection of Four Men's Synthetic Stone, Diamond, 10k Gold Rings. Including one synthetic star sapphire, diamond, 10k white gold ring, size 11 1/4; one synthetic color change sapphire, 10k yellow gol

A synthetic spinel single-stone ring. The rectangular-shape blue synthetic spinel, with curved and bar shoulders, to the tapered band. Weight 6.8gms.

Includes synthetic color change sapphire, blue topaz, garnet, blue sapphire, and mystic topaz. Also includes single 14k gold & garnet earring, 0.3 dwt. MEG/EK IMPORTANT: Before bidding, please read th

Marked 10K gold ring set with approximately 1.7 carat synthetic color change sapphire. Signed TM. Size 6-1/2. 3/8" wide. 1.8 dwt. Chip to stone near one prong. MH/EK IMPORTANT: Before bidding, please

18 Karat Yellow Gold and Stone Ring set with one round cut Color-Change Synthetic Sapphire; size 7-½, weighs 7.6 grams

18 Karat Yellow Gold and Stone Ring channel set with one oval cut Color Change Synthetic Sapphire, approximately 10.51 carats; size 7-¼, weighs 7.5 grams

Two Filigree White Gold, and Gem-Set Jewelry Itemsto include: a circle brooch with delicate filigree work, set with colorless stones and synthetic sapphires, completed with a single locking pin stem,