1960's Platinum and 18K Diamond Brooch 15.00cts

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

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.25ctw. MEASUREMENTS: Brooch is 49mm x 37mm. TESTED: 18k. WEIGHT: 26.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity

METAL: 18k Gold. GEMSTONES: Diamonds approx. 1.26ctw. MEASUREMENTS: Brooch is 75mm x 37mm. MARKED: Renard 18k. WEIGHT: 19.2 grams.Gemstones have not been graded for color and clarity ,and tested for c

Brooch measures 61mm x 30mm. Set with approx. 0.50ctw in diamonds. Tested 18k. Weight - 16 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unl

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

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

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.50ctw. MEASUREMENTS: Brooch is 58mm x 30mm. MARKED: Cartier Made is France 18k TS. WEIGHT: 17.2 grams.Gemstones have not been graded for color and clarit

METAL: 18k Gold. MEASUREMENTS: Brooch is 55mm x 33mm. Flower petals open and close. GEMSTONES: Diamonds approx. 1.21ctw. TESTED: 18k. WEIGHT: 24.5 grams.Gemstones have not been graded for color and cl

METAL: 18k Gold. MEASUREMENTS: Brooch is 60mm x 48mm. GEMSTONES: Emeralds, Diamonds approx. 1.20ctw. MARKED: TLI 18k. WEIGHT: 13.7 grams.Gemstones have not been graded for color and clarity ,and teste

METAL: 18k Gold. MEASUREMENTS: Brooch is 36mm x 40mm. GEMSTONES: Diamonds - approx. 0.45-0.50ctw. MARKED: 18k. WEIGHT: 19.9 grams.Gemstones have not been graded for color and clarity ,and tested for c

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

1960s vintage 18k gold swirl motif earrings and brooch set, with approx. 0.20ctw in diamonds. Earrings are 26mm x 23mm, Brooch - 40mm x 38mm. Marked: 18k on brooch. Weight - 29.4 grams.

METAL: 18k gold. GEMSTONES: ruby, approximately 2.60ctw. MEASUREMENTS: 38mm X 41mm. MARKED: italy orletto 18k. WEIGHT: 20.1 grams. Gemstones have not been graded for color and clarity ,and tested for

Vintage 1960s pin in the shape of a spray of branches mounted with rubies and diamonds. Stamped "JG Jlry 18K". 21.6g

METAL: 18k Gold. MEASUREMENTS: Brooch is 75mm x 40mm. GEMSTONES: Diamonds approx. 0.50ctw, Emerald (with minor chips). TESTED: 18k. WEIGHT: 26.5 grams.Gemstones have not been graded for color and clar

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 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