A diamond and synthetic sapphire brooch. Of geometric

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

View a video of this lot here: https://youtu.be/gH6f0hmD7k4Crafted in 18K and 14K gold; brooch accented with single-cut diamonds, synthetic ruby and sapphire; brooch measures 2-3/8 x 1-1/8 inches; nec

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: 18K white gold, 18K yellow gold. GEMSTONES: rose cut diamonds, blue stones ( synthetic sapphires). MEASUREMENTS: brooch is 35mm long x 23mm at widest point. TESTED: 18K. WEIGHT: 6.6 grams.Gemst

A platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for colo

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

Art Deco Diamond, Sapphire, Synthetic Sapphire, Platinum Pendant-Brooch Stones: European and single-cut diamonds weighing a total of approximately 2.80 carats; Fren

METAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 0.54ctw. Synthetic sapphire and ruby. MEASUREMENTS: Brooch is 34mm x 30mm. TESTED: Plat. 18k. WEIGHT: 9.4 grams.Gemstones have not been graded for

10 Karat Gold, Diamond, & Sapphire Brooch The openwork plaque of oblong shape and geometric design is set with round brilliant diamonds weighing a total of 0.32 carats and round blue sapphires weighin

ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approx

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

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

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

some also pendants, one with one single cut diamond, four synthetic blue sapphires, stamped "14K", white gold, 2-1/8 x 1-3/4 in., 20.2 grams; one gold filled cameo, 1-3/4 x 1- 3/8 in., 12.5 grams; two

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

Old European Cut Diamonds...center round synthetic blue sapphire, 58 old European cut diamonds 7.2tcw, marked "Irid.Plat" and with maker's mark, 17.0 grams, with old appraisal

Synthetic sapphires. OEC diamonds approximately .45 cts. 3.3 dwts.

18k synthetic ruby and whtie sapphire Brooch, 9.85dwt.Circa 1910.This item has no diamonds.

A gold, sapphire, and diamond brooch with similar cufflinks the 18K gold geometric brooch set with calibré-cut sapphires and round brilliant-cut diamonds; together with cufflinks designed as each c

Estate Italian 14kt White Gold Diamond Cameo. Brooch and pendant. Portrait of a lady, set with three round cut diamonds and synthetic cabochon cut sapphire. Measures 1.75 x 1.5 inches.

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 FRENCH 1940S DIAMOND, SAPPHIRE AND CHRYSOPRASE DOUBLE CLIP BROOCHThe scrolled and geometric clips each with an old mine cut diamond and graduated channel set sapphire crescent, a cluster of old cut

Long earrings, Art Deco style, in platinum. Formed by geometric elements of synthetic calibrated sapphires and brilliant-cut diamonds. .