Platinum 11.00ct. Diamond Ribbon Brooch

Platinum diamond ribbon brooch combines old European, round and baguette cut diamonds weighing approx. 7.00 ctw with an average color grade of H-L and an average clarity grade of VS-SI set in flowing

Designed as dimensional knotted ribbon of OMC diamonds, approx. 9.45 cts TW. Early 20th c. Stamped Schumann & Sons. 2 1/2" x 2". 19.6 dwt.

Platinum & Diamond Brooch with Ribbon Motif.

METAL: platinum GEMSTONE(S): round brilliant and baguette cut diamonds approx. 2.42 carats total, most G-H/SI1-SI2 MEASUREMENTS: 1-5/8 x 1-1/4 inches WEIGHT: 10.60 g.

Antique handmade, ribbon form brooch set with Old Mine cut and Old European cut round brilliant diamonds. Bezel set in the center is one elongated pear shape diamond, measuring .66ct. Clarity SI1, Col

This fabulous pendant or brooch bouquet is crafted from platinum featuring long flowing curved shape leaves with ribbon tie loop and stems with flowers, the stems has round diamonds, the long leaves a

FRENCH DIAMOND, PLATINUM AND 18KT YELLOW GOLD PENDANT/BROOCHKnotted ribbon design with 41 round brilliant-cut diamonds, approx. 1.80 to 2.70mm, set in platinum. Approx. 1.95 carats total weight. Doubl

Double clip brooch in platinum, comprising interlaced ribbons of diamonds, single cut and two centre diamonds, old cut, estimated total weight 0.80 ct. Detachable and convertible into two brooches. .

Vintage platinum and diamond circular pin with interlocking ribbon form comprising of 3.6 ctw diamonds (VS - SI clarity, G-H color). Unmarked. Ahlers & Ogletree, Inc. reserves the right to demand paym

Openwork Platinum and Diamonds Pin/Pendant - 5.33 CTTW Vintage platinum pin/brooch with floral and ribbon design containing 67 European cut diamonds, diamonds measuring up to 0.62 ctw. (1.8mm - 5.5mm

A diamond and platinum spray brooch designed as a tapered baguette-cut diamond ribbon, set with brilliant-cut, marquise, and pear-cut diamonds; estimated total diamond weight 10.50 carats. (Weight: 11

Fine jadeite, diamond and platinum foliate-form brooch; the platinum mount of curvilinear ribbon-like design, set with approx. 40 modern brilliant round and single cut diamonds; radiating 'leaves&

Art Deco Platinum, Diamond, and Emerald and Synthetic Emerald Brooch, Katz & Ogushdesigned in a stylized ribbon motif centering on a bezel set old European cut diamond (5.25 x 5.25 x 2.88 mm) weighing

Item/Description: Elegant Deco Retro era circle pin brooch fashioned as a wreath or ribbon from platinum and set with sparkly white round diamonds graduated in size. Approximately one half carat CTW.

Including one brooch and a pair of earrings, each in a ribbon design with a wide band of small round brilliant cut diamonds pave set in platinum between raised yellow gold edges. Total of 62 diamonds

Platinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine an

An Art Deco diamond and platinum brooch circa 1930 designed as a dimensional ribbon bow set with single and old mine-cut diamonds, suspending articulated step-cut diamond fringe, terminating in old mi

Diamond Wreath Form Brooch. Edwardian platinum-topped 14kt yellow gold laurel wreath brooch with bow form ribbon. Inlaid throughout with Old European cut and rose cut diamonds. Suspended to the interi

A diamond, emerald and platinum broochdesigned as a cluster of marquise-cut diamonds and circular-cut emeralds, among ribbons of round brilliant-cut diamond pavé; estimated total diamond weight:

This is a gorgeous Estate brooch, crafted from 18k yellow gold featuring a rough textured design ribbon bow accented with diamonds on white gold prongs. Below the center of the bow is a floral design

Item/Description: Elegant Deco Retro era circle pin brooch fashioned as a wreath or ribbon from platinum and set with sparkly white round diamonds graduated in size. Approximately one half carat CTW.

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

Platinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averag

Platinum brooch, set with center approx. 8.24ct yellow sapphire (measures 12.7 x 11.89 x 6.2mm), surrounded with approx. 0.74ctw in diamonds. Brooch measures 28mm x 27mm. Tested plat. Weight - 10.3 gr