VINTAGE EUROPEAN CUT DIAMOND AND PLATINUM BROOCH

Vintage circular platinum openwork brooch with central Old European cut diamond measuring approx. 4.0mm surrounded by single cut, round brilliant cut, and Old European cut diamonds. Total approx. weig

A vintage circle brooch containing twenty two old European cut diamonds weighing approximately 2.2 carats total weight. Finished with milgrain details and safety clasp to verso. Measures approximatel

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

This is a vintage platinum heart shaped pendant/brooch studded with 48 Old European cut diamonds. SI-I clarity and GH-HI color. 1 3/8 x 1 3/8". It weighs a total of 8.1g. Draft title TW estimate seems

A vintage 1.25" circle brooch in platinum containing 34 VS2-SI1, G-H color Old European Cut diamonds weighing approximately 3.50 carats total weight. 5.57 Dwt.

Vintage Diamond, Platinum, 14k Yellow Gold Bow Brooch. Designed as an open work bow with black velvet backing, the center featuring one old European-cut diamond weighing approximately 0.30 ct., accent

This is an elegant vintage circle brooch pin rendered in fine platinum. The Art Deco pin is studded with 3.5tcw Old European and Old Mine cut diamonds of VS clarity and GH color. It is 1 3/8" diameter

Antique Approx. 3.5 Carat Old European Cut Diamond and Platinum Bow Brooch. E-F color, VS1 - VS2 Clarity. Probably French. Unsigned. Measures 2-1/2" x 1-1/2". Approx. weight: 16.0 grams. Condition: Go

Art Deco Approx. 2.5 Carat Old European Cut Diamond, Sapphire and Platinum Bar Brooch. Diamonds G-H color, VS1-SI1 clarity. Unsigned. Missing one small sapphire Very good condition. Measures 2" W, 3/4

Victorian Natural Pearl and Old European Brilliant Cut Near-Colorless Diamond in Platinum Pendant Brooch. Natural Pearl is a detachable pendant. Circa: 1870s Natural Pearl: 19.91 x 11.85 x 7.54mm Diam

VINTAGE PLATINUM (TEST) EUROPEAN-CUT DIAMOND RING, C.1910. RING SIZE 6 1/4; 0.60 CARAT; CLARITY: SI1/SI2, COLOR: FACES UP WHITE IN SETTING. GROSS WEIGHT 3.5 GRAMS

Belle Epoque diamond and platinum brooch centered by a bezel set cushion old mine cut diamond weighing approximately 2.00 carats and two European cut diamonds 0.95 carats each, further accented by old

Art Deco platinum brooch displaying a central trio of (3) milgrain bezel set Old European cut diamonds measuring approx. 6.0mm, 4.5mm and 4.6mm. Diamonds are set within a platinum filigree frame displ

Art Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old Europea

Art Deco diamond and platinum broochcentering (1) old European cut diamond weighing approximately 0.55 ct., accented by (4) old European cut diamonds weighing a total of approximately 0.80 ct., and (1

Featuring four European-cut diamonds weighing a total of approximately 2.09 cttw., accented by nineteen old European-cut diamonds weighing a total of approximately 0.47 cttw., highlighted by an a

Black, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwts

Diamond, platinum. c. 1915. 1 3/4" x 1/2". Geometric motif diamond and platinum brooch converts to a pair of dress clips. 66 rose-cut, single cut, and European cut diamonds, 1.40 t.w., VS clarity, and

Platinum scroll form brooch or pendant displaying an array of Old European cut and single cut diamonds suspending a single semi-baroque pearl. Center/largest prong set Old European cut diamond measure

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

Art Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),

A beautiful platinum brooch (2"x0.5"), center an European cut diamond wt. approx. 0.80ct (SI 2, G), sided with 4 medium diamonds, each approx. 0.10ct and 8 smaller diamonds, tdw approx. 1.50ct, wt. 6.

A beautiful platinum brooch (2"x0.5"), center an European cut diamond wt. approx. 0.80ct (SI 2, G) side with 4 medium diamonds, each approx. 0.10ct and 8 smaller diamonds, tdw approx. 1.50ct, wt. 6gm

Ladies Platinum and gold diamond brooch. There is one old European cut diamond the measures 4.9x3.3mm and weighs approx .49 carat: clarity SI1-SI2 and color JKL. There are two old European cut diamond