1950's Platinum 12 Carats Mixed-Cut Diamond Brooch

DIAMOND AND MULTIGEM BUTTERFLY PENDANT/BROOCH Containing 80 single and round brilliant cut diamonds weighing approximately 2.00 carats total, 12 round mixed cut emeralds, 18 round mixed cut rubies and

CARTIER, DIAMOND BROOCH Containing eight pear shaped diamonds and 108 baguette cut diamonds weighing approximately 11.00-12.00 carats total. Mounted in platinum. 1 1/2 x 1 1/2 inches. Stamp: CARTIER 1

centering one round mixed cut dark sapphire weighing approximately 1.70 carats; and 12 full cut diamonds [I-J/VS] weighing approximately 0.12 carats total; 8.0 grams; size: 8

centering one full cut diamond [I-J/VS] weighing approximately 0.12 carats; 12 baguette cut diamonds [H-I/VVS] weighing approximately 1.20 carats total; and 18 round mixed cut emeralds weighing approx

a finely crafted antique bar brooch measuring 3.8 cm in length, containing five round mixed cut sapphires (unheated) weighing approximately 1.60 carats total, 18 caliber cut emeralds, and six old Euro

Diamond, Platinum Brooch, circa 1950 Stones: Marquise-shaped diamonds weighing a total of approximately 10.50 carats; round brilliant and full-cut diamonds weighing a tot

Carrera y Carrera Platinum & Diamond Butterfly Brooch 1''x1.75''. Textured platinum and 18k gold two tone figural brooch. It has (12) full cut diamonds of .27 carats total weight. Marked ''PLAT 18K''

stamped 'Tiffany & Co. / PT950'; containing 42 full and single-cut diamonds [G-I/VS] weighing approximately 1.00 carats total; approximately 12.00 x 40.60 mm; 5.1 grams

Platinum diamond and citrine ring,c.1950, 5.05dwts.Size: 6.This ring has eighteen .15ct round full cut VS1-SI2 old European diamonds, a citrine stone approximately 12 carats, measuring 15.5mm x 11.5mm

Vintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) Pr

Vintage Approx. 4.0 Carat TW Round Brilliant and Baguette Cut Diamlnd and Platinum Circular Brooch. Diamonds E-F color, VVS-VS clarity. Stamped Plat. Measures 1-1/4" diameter. Approx. weight: 12.17 gr

An 18 Karat Yellow Gold, Platinum, Amethyst, Diamond and Ruby Articulated Turtle Pendant/Brooch, containing one oval mixed cut amethyst weighing approximately 23.91 carats, seven round brilliant cut d

A Platinum, Aquamarine and Diamond Ring, containing one oval mixed cut aquamarine measuring approximately 12.18 x 9.53 x 5.78 mm and two octagonal step cut diamonds weighing approximately 0.90 carat t

DIAMOND BROOCH Containing 32 baguette and numerous round brilliant cut diamonds weighing approximately 9.00-10.00 carats total. Mounted in platinum. 2 3/4 x 1 1/2 inches. Gross weight: 12.25 dwt.

METAL: 18k Gold/Platinum. GEMSTONES: Mixed cut diamonds approx. 36 stones. Tourmaline. MEASUREMENTS: Brooch is 45mm x 36mm. MARKED: Hallmarks. WEIGHT: 8.3 grams.Gemstones have not been graded for colo

Platinum art deco ring with 1.12 carat round cut diamond and 12 accented diamonds. Inner band is marked "10% Irid Plat", meaning 90% platinum. This ring was owned and past down as a family ring. Inclu

Retro Lady's Round Brilliant Cut and Baguette Diamond and Platinum Bracelet. Approx. 12.5-13 carats Round and Baguette Cut Diamonds of VS1-VS2 Clarity and F-G Color, Mounted in Platinum with Double Sa

DESCRIPTION: 14k gold (stamped) antique yellow gold filigree ring with platinum illusion top set with 1.12 carat Old European cut diamond. Clarity SI2, Color G-H. MEASUREMENTS: 2.4 grams. Size 5-1/4.

Exceptional GIA Certified 10.12 Carat Round Brilliant Cut Diamond Platinum StudsA gorgeous pair of investment grade diamonds studs set in handmade solid platinumthe diamonds are both a perfect match i

Art Deco Ceylon Sapphire, Diamond, Platinum Ring Stones: Oval-shaped Ceylon sapphire weighing 13.12 carats; single-cut diamonds weighing a total of approximately 1&period

NARDI, YELLOW GOLD, RUBY AND DIAMOND BLACKAMOOR BROOCH Consisting of a carved male figure with yellow gold mounts with pierced and engraved detail containing 12 round mixed cut rubies and seven single

METAL: gold plated silver GEMSTONE(S): oval and round faceted rubies approx. 4.12 carats total; rose cut diamonds approx. 0.88 carat total MEASUREMENTS: 2-1/4 x 1 inch WEIGHT: 13.30 g.

Edwardian Platinum and Yellow Gold 2.5 Carat Total Weight Round Cut Diamond Estate Brooch with 1- 3/8 Carat Center Stone, 1/4 Carat of Stone on Each Side and 1 Carat of Accent Stones. Measures 2 inche

A Yellow Gold Plated Platinum and Diamond Eternity Band Ring, containing 53 round brilliant cut diamonds weighing approximately 2.12 carats total, six marquise cut diamonds weighing approximately 0.73