Brooch beginning of XX century gold 18 K, platinum

Edwardian brooch from beginning of 20th century designed as a half crescent, made of platinum (acid tested - the pin on the reverse is made of 18K Yellow Gold) and set with many lovely Old European Cu

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: 18k Gold and Platinum. GEMSTONES: Rose and old mine cut diamonds approx. 18 stones (old mine diamonds approx. 0.22ctw) , one prong is missing. MEASUREMENTS: Ring size 8, ring top is 13mm wide.

METAL: 18k gold and platinum. GEMSTONES: Diamonds approx. 1.80-2.00ctw. Synthetic rubies. MEASUREMENTS: Ring size 6 1/2, ring top is 12.6mm wide. TESTED: Plat/ 18k. WEIGHT: 4.3 grams.Gemstones have no

18K Yellow Gold and Platinum Custom Made Brooch Set with Gem Stones including Tourmaline, Diamonds, and More. Brooch weights 20.7 grams and measures 2.75 inches x 2 inches. Largest stone is approximat

METAL: 18k Gold and platinum. GEMSTONES: Old mine cut diamonds approx. 2.28-2.50ctw (multiple stones are chipped). MEASUREMENTS: Earrings are 20.5mm x 10.5mm. TESTED: 18k Plat. WEIGHT: 8 grams.Gemston

METAL: 18k Gold and Platinum. GEMSTONES: Center two diamonds approx. 0.28-0.30ct each. Side rose cut diamonds approx. 30 stones. MEASUREMENTS: Earrings are 22mm x 17mm. TESTED: 18k Plat. WEIGHT: 7.5 g

METAL: 18k Gold and platinum. GEMSTONES: Center diamonds approx. 0.32ctw, surrounding rose cut diamonds approx. 64 stones. MEASUREMENTS: Earrings are 22mm x 24mm. MARKED: Hallmarks. WEIGHT: 9.2 grams.

Nice Plaque Brooch crafted in 18k yellow Gold and Platinum on top, accented with Diamonds weighing Approx. 0.45 carats total weight. Along with 4 Baguette Sapphires. Measurements: 1.20 x 0.85 inches.

METAL: 18k Gold and Platinum. GEMSTONES: Center old mine diamond approx. 0.23ct, surrounding diamonds approx. 67 stones (one stone is missing). MEASUREMENTS: Ring size 5, ring top is 19.5mm wide. TEST

METAL: 18k Gold, Platinum. GEMSTONES: Diamonds. MEASUREMENTS: Ring size 6 1/4, ring band is 5.2mm wide. TESTED: 18k, Plat. WEIGHT: 4.7 grams.Gemstones have not been graded for color and clarity ,and t

Title: Tiffany & Co. Schlumberger Persian Turquoise Amethyst 1.85ctw Diamond 18k Gold Platinum Butterfly Signed Numbered Brooch Description: A fanciful butterfly design made in platinum & 18k gold fea

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

METAL: Platinum and 18k Gold. GEMSTONES: Diamonds approx. 1.50ctw. MEASUREMENTS: Brooch is 46mm x 4.2mm wide. MARKED: Tiffany & Co. WEIGHT: 6.1 grams.Gemstones have not been graded for color and c

57 round diamonds totaling 1.75 carat, high grade, double locking bar closure, 21.7 grams, with appraisal of $7,850.00, 1 5/8" X 2 3/4".

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

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

French Shell Cameo, 18k White Gold, Platinum Pendant Brooch. Featuring one shell cameo depicting Dionysus, set in an 18k white gold, platinum pendant brooch mounting measuring approximately 38 x 30 mm

Art Deco Bug brooch Crafted in 18k yellow Gold and Platinum, set with Diamonds, Two Round Shaped Rubies and a 8mm Round Pearl. Weight: 5.6g. Measurements: 1.4x0.8".

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 34mm in diameter. GEMSTONES: Rubies, Diamonds approx. 0.80ctw. MARKED: with gold marks on stem. WEIGHT: 18.5 grams.Gemstones have not been graded for

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

Verdura "Target" Diamond, Platinum, 18k Yellow Gold Brooch. Designed as arrows in a bull's-eye, featuring round brilliant-cut diamonds weighing a total of approximately 1.60 cttw., set in a platinum a

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 85mm x 50mm, converts into two clips. GEMSTONES: Sapphires, Rose cut diamonds approx. 70 stones. TESTED: 18k/ Plat. WEIGHT: 41.4 grams.Gemstones have