Edwardian Platinum and Diamond Monogram Brooch, set

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

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

Edwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamo

Elegant antique Edwardian ladies brooch pin. Filigree platinum with collet-set diamonds. Center set with a Tsavorite green garnet of approximately 3.5mm. Secure ban back. Unmarked, x-ray verified Plat

BROOCH - Edwardian Platinum Bar Pin Form Brooch set with (14) rectangular faceted sapphires and (3) diamonds, stamped "JEC COA 6712", 2 1/2" long, 1/8" wide, 5.0 dwt tw; fine condition.

JEWELRY: Edwardian Pearl & Diamond Circle Brooch, tested 18K yellow gold and platinum Edwardian circle brooch with diamond bow. Consisting of 22 pearls set into the circle portion of the brooch, measu

Two Edwardian rings, gold and platinum set with diamond, and a cased set of graduated pearl set bar brooches, by Mappin and Webb

AN EDWARDIAN DIAMOND BROOCH Designed as a crown set with old European and old mine-cut diamonds, approximate total weight 2.05 carats, platinum-topped gold mount, weight 6.6 dwt, length 1 5/8 in. Fo

Including a platinum-topped and yellow gold brooch set with seed pearls and rose-cut diamond accents together with a platinum ring mount centering a cultured pearl measuring 6.5 mm with a 10 old mine-

The 14k gold and platinum brooch/pendant is set with four 0.03 carat diamonds and a central green faceted gemstone, marked 14k and Plat. on the clasp. Pendant measures 1.625 x 0.875 inches. Green face

Edwardian Diamond Gem Set 14k Basket Pendant Brooch 1.5''. Platinum topped 14k figural gold brooch set with (24) old european cut diamonds (H/SI-2 average) weighing .5ctw. Also (12) ruby corundum from

Circa 1910, platinum Centering a square old mine-cut diamond graded M+ color, VS clarity, further set with two square old mine and eighteen single-cut diamonds, further accented with two rectangular

An Edwardian platinum and diamond brooch pendant centering an old European-cut diamond weighing approximately 1.25 carats; accented by single and old European-cut diamonds; total remaining diamond wei

DESCRIPTION: A Edwardian Platinum brooch composed of two concentric circles with a center stem decorated with old minor diamonds, ranging from .20cts - .05cts. Total Weight: 3.1 dwt CIRCA: 20th Centur

A beautiful Edwardian platinum diamond pendent set with 2 gem quality opals (1.50ct, and 0.85ct), 4 large diamonds, one on bottom wt. approx. 1.50ct (G/VS, with chip), 2 side diamond wt. approx. 1.20c

EDWARDIAN OPENWORK DIAMOND BROOCH, set with a larger diamond to the center, flanked in openwork design with dismonds in part scrolling design. Diamonds totalling approx. 5 ct. W. 4.5 cm. 10.6 grams.

LADIES PLATINUM DIAMOND CROWN BROOCH Ladies platinum diamond crown Brooch. Set with (44) single cut accent diamonds and a single pear shaped diamond of approximately .50 ct I color SI1 clarity. Weight

A Platinum and Diamond Brooch, Set with three diamonds, each approx. 10pt. Also having two diamonds, each approx. 5pt. Total weight: 3.9 dwt.

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

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

Art Deco Platinum, Diamond and Emerald Brooch , set with 1 emerald-cut diamond, approx. 1.03 ct. (VVS2/I), 4 emerald-cut diamonds, each approx. .38 (VS1/H-I), 2 fancy step-cut diamonds, each approx. .

WOW! Platinum and 12ct Diamond Brooch. Set with 179 diamonds in total weight of about 12ct, D-E-F color, VS-VVS clarity. Can be split into two brooches or worn as one large brooch (see images). T

Platinum Diamond Flower Brooch Center set with one Old European cut Diamond [I/SI-2], approximately 0.71 carat, enhanced with 24 baguette cut Diamonds [H/VVS], approximate total weight 3.36 carats, fu

PLATINUM & DIAMOND BROOCH, 6.50CTW set with 58 marquise and round diamonds approx. 6.50 carats (in our opinion: I color, VS2-SI1clarity, however not guaranteed), largest diamond 0.34 carats, tests pla