A synthetic colour-change sapphire and diamond brooch.

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

Three brooches. To include a late Victorian 9ct gold bi-colour foliate brooch, together with an early 20th century oval-shape sapphire brooch within a single-cut diamond surround, and a synthetic spin

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 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 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 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 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 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 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.

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

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

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,

Synthetic Color Change Sapphire, Diamond, Yellow Gold Pendant Necklace. Featuring one triangular-cut synthetic color change sapphire, accented by one full-cut diamond weighing approximately 0.02 ct.,

YELLOW GOLD, SYNTHETIC SAPPHIRE, AND DIAMOND FLOWER BROOCH Round synthetic sapphires and round brilliant cut diamonds. 18 karat yellow gold. 2 ½ x 7/8 inches. Stamp: E.PEAR 18K. Gross weight: 10.

Platinum, Synthetic Sapphire, and Diamond Bar Brooch the open-work bar brooch centering a bezel-set circle-cut synthetic sapphire measuring approx. 6.36 x 4.46 mm. and weighing approx. 1.55 cts., furt

18k gold brooch featuring synthetic sapphires and approximately 2.40ctw of diamonds. Brooch measures 55mm x 50mm. Marked 18k. Weight is 33.5 grams.

GUILD laboratories' certificates are as accurate as GIA AND AGL certificates, and Sumer collection stands a hundred percent behind Guild laboratory's certifications.

Art Deco brooch set with European and rose-cut diamonds, weighing in total approximately 0.90ct; with European marks; length: 2 in. (loss of one diamond and sapphire)

METAL: 14k Gold. MEASUREMENTS: Brooch is 67mm x 12mm. GEMSTONES: Synthetic sapphire, diamonds, seed pearls. TESTED: 14k. WEIGHT: 3.9 grams.Gemstones have not been graded for color and clarity ,and tes

14K Gold. Stamped & Trademarked. Weight: 2.21g gross. Contains: Six round faceted sapphires of 0.54ct total weight, SI clarity and dark blue colour. Three round brilliant cut diamonds of 0.015ct total

Three brooches 19th-early 20th centuryComprising two 19th Century brooches, one shell cameo and metal brooch, one garnet and gold dome brooches, and one platinum, diamond and synthetic sapphire bar p

Synthetic Color Change Sapphire, Cultured Pearl, 14k Yellow Gold Fly Brooch. Designed as a fly, the thorax comprised of a cultured pearl, the abdomen featuring an oval-cut synthetic color change sapph

Circa 1920's; Total Gemstone weight 6.96ct; Scalloped filigree plaque set throughout with diamonds and synthetic sapphires. Largest diamond is .52ct; Appraisal upon request. 17.6 grams