Platinum, 18K and diamond enameled violin brooch,

18k gold and amber enameling surrounded by diamonds, back marked Stradivari, ad 1670. The attached bow is also set in diamonds. 22g.

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

Mid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.

METAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color and

Platinum violin brooch having 0.38ctw round brilliant cut diamonds. Stamped PT900 0.38. Approx. length 1.5in., approx. weight 10.1 grams.

Victorian 18K & Platinum Diamond Brooch Weighing 9.1 grams Set with 49 Old European-cut Diamonds weighing app. 2.60 Ct. F-H Color, VVS-VS Clarity 2 inches in length

Edwardian platinum topped 18K, 1.43 CTW diamond and pearl brooch. Diamonds: Old European Cut, Old Minor Cut, Swiss Cut Color: G-H Clarity: VS2-SI1 OMC Carat Weight: 0.46 ct OEC Carat Weight: 0.53 ct

18k yellow gold brooch pin modeled as a flamingo, the enameled body having feathers decorated with approx. fifty-four round brilliant cut diamonds. Approx. length 2.12", width 1".

METAL: 18k Gold. MEASUREMENTS: Brooch is 55mm x 18mm (excl. the string) . GEMSTONES: Black mother of pearl, Diamonds - 0.14ctw, Rubies - 0.57ctw (marked on brooch). MARKED: K18, 750, D014, R057. WEIGH

METAL: 18k Gold. GEMSTONES: Diamonds, Sapphires. MEASUREMENTS: Brooch is 38mm x 13mm. MARKED: 18k 750. WEIGHT: 7.1 grams.Gemstones have not been graded for color and clarity ,and tested for clarity an

Metal : 18k Gold Designer : Not Signed Gemstone : Diamonds, Sapphires Measurements : Brooch is 38mm x 13mm Marked: : 18k 750 Weight: 7.1 grams

METAL: 18k Gold, Platinum. GEMSTONES: Center diamonds approx. 0.13ctw. Rose cut diamonds. MEASUREMENTS: Brooch/Pin is 70mm x 6mm. MARKED/TESTED: 750, Platinum. WEIGHT: 4.8 grams.Gemstones have not bee

Title: Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctw Description:Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ct

A PLATINUM, 18K GOLD, PEARL AND DIAMOND BROOCH Designed as a corsage with a flower centering a semi-baroque pearl with petals of old European-cut diamonds, textured gold leaves and sprigs of button an

1950's Vintage Platinum, Pearl (8.80mm), 18k Gold & Single Cut Diamonds TW approx 0,8 CT Bee Brooch. Measurements: 1.2x0.8". Weight: 6.5g

18k gold enameled lady bug brooch with diamond eyes. Signed to underside, illegible. Marked 750/18k. Hinge pin to underside. Made in Italy. Gemstones test for diamond using presidium gem tester. Measu

Retro 18K & Platinum Emerald & Diamond Brooch/PendantWeighing 25.6 gramsSet with an app. 50.00 Ct. EmeraldAlong with 7 Emeralds weighing app. 7.00 Ct.And 25 Diamonds weighing app. 0.70 Ct.F-H Color, V

David Webb 8.00ctw VVS2-VS1/F-G Diamond Solid Platinum/18K Yellow Gold Brooch - This stunning brooch was made by David Webb and was finely crafted of solid platinum and 18k yellow gold. The brooch off

David Webb exceptional Brooch Pendant Authentic and signed Large 30mm X 18mm Faceted Amethyst set in 18k gold and Platinum. 31.7 Grams with Approx 1.5 Carats Diamonds. This is a great collector piece

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 79mm x 30mm. GEMSTONES: Diamonds approx. 115 stones. TESTED: 18k/plat top. WEIGHT: 11.7 grams.Gemstones have not been graded for color and clarity ,a

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch measures 69mm x 39mm. GEMSTONES: Diamonds approx. 0.26ctw. MARKED: Maker's mark, plat, 18k. WEIGHT: 28.4 grams.Gemstones have not been graded for co

18K Yellow Gold Platinum Weight 5gr Opal Approx 0.30 Ct Diamond Approx 0.35ct Retro Brooch Measurements 1.5”X0.7”

18k Platinum Weight 6.13g Sapphire Diamond Bar Brooch Measurements 2.73”x0.17”

Tiffany and Co 18K Gold and Platinum brooch. The brooch is made in the shape of a flower and encrusted with diamonds. Marked with standard Gold and Platinum hallmarks, Tiffany and Co copyright, on the