DIAMOND AND SYNTHETIC BLUE SAPPHIRE BROOCH

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

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

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

center round cut synthetic blue sapphire approx. 7.6mm, approx. 156 old European cut diamonds estimated total weight 3.50cts., H-J, VS to SI, tested platinum, 13/16 x 2-7/8 in., 11.3 gramsÿ - Provena

vintage filigree pendant, accented with milgrain, 17 round full cut and single cut diamonds estimated total weight 0.50 carat, VS-SI, G-I, 18 variously cut synthetic blue sapphires, marked "14K" and w

SAPPHIRE AND DIAMOND OPENWORK BROOCH, set with a large central blue sapphire, flanked with diamonds in the openwork surmount totalling approx. 1 ct. W. 3.6 cm. 7.8 grams. Sapphire probably synthetic.

PLATINUM DIAMOND & BLUE SAPPHIRE BROOCH - 3" diameter circle platinum brooch, circled with diamonds & blue sapphires; Total weight 7.2g; Estimate: $500-$1000

VINTAGE 14K YELLOW GOLD DIAMOND BLUE SAPPHIRE BROOCH PIN Brooch measures 2.25" L x 0.16" W 14K Yellow gold Total diamonds and sapphire weight is 0.30ct 2 Blue sapphires are clean high quality 0.10ct

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

AUTHENTIC TIFFANY & Co. 18K YELLOW GOLD FLOWER BROOCH PINBrooch measures apx 1.47" in diameter18K Yellow gold diamond and blue sapphire brooch1 super clean diamond6 natural blue sapphires Pre-owned in

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

two round diamonds and three synthetic blue sapphires in 14K white gold, 7.4 grams, 7" long.

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)

Ladies White Gold Diamond Blue Synthetic Sapphire ring. Ring has a total of 16 Round Diamonds. Diamond weight approx: 0.50cttw. Ring size: 7.00. Total weght: 6.20 grams.

Ladies White Gold Diamond Blue Synthetic Sapphire ring. Ring has a total of 16 Round Diamonds. Diamond weight approx: 0.50cttw. Ring size: 7.00. Total weght: 6.20 grams.

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

Lady's Art Deco Diamond & Sapphire 18k Ring Size 3. It contains (2) Old European Cut diamonds of .25ctw and one synthetic blue sapphire. Marked ''18K''. It weighs 3.6 grams. Estate jewelry with no app

Stamped 925. Four .01 carat each round single cut diamonds and blue synthetic sapphires. 2-3/4" interior diameter. 1/2" wide. AJ/MH/EK. IMPORTANT: Before bidding, please read the terms and condit

one oval faceted blue sapphire, approx. 7.0 x 5.0mm, six round old European cut blue sapphires, approx. 2.2mm, 16 oval faceted garnets, approx. 5.0 x 3.0mm, six round full cut diamonds, approx. 1.8mm,

BLUE SAPPHIRE AND DIAMOND BROOCH in 14 kt rose gold of pierced leaf design embellished with circular-cut blue sapphires and small diamonds. Circa 1950.

Containing 16 Old Mine cut diamonds of various sizes surrounding three synthetic blue sapphires, approx. 1.80ct Total diamond weight, size 7.5, 5.3dwt. One sapphire appears to be replaced.

Including one with an oval cut amethyst surrounded by diamond accents; second with an oval cut synthetic blue sapphire surrounded by diamond accents, ring sizes 8-3/4 and 5-3/4, 6.5 dwt total. Conditi

1960s 9.00ctw Blue Sapphire and Emerald, 4.75ctw VS2-SI1/G-H Diamond and Solid 18K Yellow/White Gold 2.25" Brooch - This beautiful vintage piece is crafted of solid 18k yellow gold and has an elegant

37.50ctw Blue Sapphire & Ruby, 2.75ctw VS2-SI1/G-H Diamond Solid 18K Yellow Gold 2.5" Vintage Brooch - This exquisite vintage piece was finely crafted of solid 18k yellow gold and is embellished with