18K Gold & Diamond Chestnut Pin

18K yellow gold chestnut pin, opening to reveal a cluster of sixteen .10ct diamonds. Total weight of diamonds 1.60ct.; 11.5 dwt. inclusive. 20th century, French. In good condition.

Modenist pin set with 9 diamonds measures 1 7/8 inches across. Hallmarked Grima , HJC, crown, 18, leopards head, p. 10.2 dwt.

18 karat yellow gold and diamond "Dogwood" brooch by Tiffany & Co.. (Matching earrings Lot # 124) Marked Tiffany & Co. / 750. Features 6 round diamonds. Diamond approximates: .30 cts total; Color: F-G

METAL: 18K gold. GEMSTONES: rose cut diamonds, pear cut loose sapphire -2.85ct(comes with copy of AGL Certificate #CS 1078464). MEASUREMENTS: pin total length 80mm, pin head is 17mm x13mm. Sapphire me

18k Gold gold and diamond pin with Greek hall marks. Retractable flower petals can be closed to show the flower as a bud or opened. Pin contains 10 cushion cut 2mm diamonds. Weight = .52 troy oz.

Lot of 8 Pins: Victorian 18k Diamond Pin & 7 Vintage Pins in 14 kt gold. Heart, leaf and flower motifs, pearls and enamel, includes carved tiger eye cameo bar pin. 14 kt total wt: 10.3 dwt & 18 kt tot

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. 2.40ctw. MEASUREMENTS: Brooch is 32mm x 32mm. MARKED: Van Cleef & Arpels Made in France 18k, 288612. WEIGHT: 16.5 grams.Gemstones have not been graded

18K White gold White diamond pin made in Italy. approx. 5.5 carats of Round brilliant cut diamonds VVS - VS CLARITY AND E-F COLOR.

George Schuler For Tiffany & Co. 18K Gold Diamond Brooch Pin and Earrings The Earrings and Brooch Pin feature approximately 1.15 Total Carats of Diamonds. The Brooch stamped on back : TIFFANY & CO. 18

Vintage Tiffany & Co. 18k Gold Diamond Umbrella Pin Vintage Tiffany and Co. 18k Solid Yellow Gold Diamonds Umbrella Brooch Pin Stones: 3 Diamonds apx. 0.12 TCW IF TO VVS1/VVS2 Clarity and G-H Color Di

METAL: 18k Gold. MEASUREMENTS: Brooch measures 85mm x 45mm . GEMSTONES: Diamonds - approx. 3.00ctw. MARKED: French assay marks, Boucheron Paris. WEIGHT: 35 grams.Gemstones have not been graded for col

Metal : 18k Gold Designer : Koven Gemstone : Diamonds approx. 4.00ctw Measurements : Brooches are 60mm x 20mm each Marked: : Koven 1964 Weight: 19.2 grams

METAL: 18k Gold. MEASUREMENTS: Brooch is 50mm x 45mm. GEMSTONES: Diamond approx. 0.46ct. MARKED: 18kt, Tiffany & Co. WEIGHT: 17.1 grams.Gemstones have not been graded for color and clarity ,and te

METAL: 18k Gold. GEMSTONES: Diamonds approx. 1.44ctw. MEASUREMENTS: Brooch is 56mm x 38mm. MARKED: Tiffany & Co 18k. WEIGHT: 30 grams.Gemstones have not been graded for color and clarity ,and test

18K Gold & Diamond Bird Pin - Brooch. 18K yellow gold figure of a bird with finely detailed feathers, has 53 diamonds set in white gold (approx. .25-.3 total carats). 1.5 in. high x 2 in. wide. 19.9g

METAL: 18k Gold. GEMSTONES: Diamonds approx. 2.60ctw. MEASUREMENTS: Brooch is 71mm x 41mm. MARKED: Maker's Mark. WEIGHT: 16.5 grams.Gemstones have not been graded for color and clarity ,and tested

METAL: 18k Gold. MEASUREMENTS: Brooch is 54mm x 15mm. GEMSTONES: Diamonds approx. 0.68ctw. MARKED: Cartier, 750, 1999, B2108. WEIGHT: 7 grams.Gemstones have not been graded for color and clarity ,and

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.

Victorian 18k gold diamond angel pin, carved crystal angel head with rose cut diamond encrusted wings, 1 3/8" across, unmarked, tests 18k, weight 8.7 grams/5.6 dwt

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

METAL: 18k Gold. MEASUREMENTS: Brooch is 50mm x 33mm. GEMSTONES: Diamonds approx. 0.64ctw. MARKED: RG 18k, des in France. WEIGHT: 15.8 grams.Gemstones have not been graded for color and clarity ,and t

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