Platinum, Diamond and Blue Sapphire Brooch

PLATINUM DIAMOND & BLUE SAPPHIRE BROOCH - 3" diameter circle platinum brooch, circled with diamonds & blue sapphires; Total weight 7.2g; Estimate: $500-$1000

Stunningly crafted in both glowing yellow gold and the palest platinum, this openwork butterfly features icy diamonds, bright blue sapphires, rich red rubies and electric green demantoid garnets.

center round cut synthetic blue sapphire approx. 7.6mm, approx. 156 old European cut diamonds estimated total weight 3.50cts., H-J, VS to SI, tested platinum, 13/16 x 2-7/8 in., 11.3 gramsÿ - Provena

Art deco 18k yellow Gold and Platinum on top, featuring three Old mine Diamonds weighing Approx. 0.60 carats. Along with Rose cut Diamonds and natural blue Sapphires weighing Approx. 1.00 carats. Broo

DIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GR 5 gr. A small very delicate brooch in bowknot form. L 2". center diamond approx 10pts.Four blue sapphire baguettes. Myriad of diamonds assembled

David Webb 17.20ctw Emerald & Blue Sapphire, 13.50ctw VS1-VS2/F-G Diamond Solid Platinum/18K Yellow Gold One of a Kind Convertible Brooch/Pendant (Comes W/$300,000 Appraisal) - This immaculately craft

Designed as a millegrained platinum bomb-form element, set with rose-cut and OMC diamonds later set with round faceted blue sapphire border and trefoil accents, saltwater cultured pearl and RBC diamon

A Sapphire & Diamond Brooch. Platinum bar mounting contains one checkerboard faceted blue sapphire with one oval faceted pink sapphire on either side. Throughout the brooch are eight bead set round di

IMPORTANT SAPPHIRE AND DIAMOND DOUBLE CLIP BROOCH, in platinum. Of part wave design, set with 3 sections of blue sapphires totalling approx. 6.84 ct. Flanked with multi-cut diamonds totalling approx.

Estate 14kt yellow gold and platinum brooch, Cartier, serial number 833, modeled as a Bluebonnet flower stem, with gold wire leaves, (eleven) blue sapphires, approx 3.60cttw, (twenty) diamonds, approx

This impressive signed platinum ”Maltese Cross” brooch with 18kt yellow gold accents features an approx. 5.27 ct. medium slightly violetish blue sapphire cabochon bezel set into the center

AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with a floral cluster of diamonds to the centre, flanked by rows of graduated cushion cut blue sapphires,

14K yellow gold platinum topped filigree brooch featuring Old European and Old Mine cut diamonds bead set into filigree with channel set dark blue French cut sapphire channel set down the center, 6 in

4.34 Carat platinum 9mm diamond and blue sapphire men's ring. Diamond is old European cut, bead set in a reflector head S11 clarity, L color, set in platinum band. Six flanking channel set square step

Appraisal- $10,500 Weight- 15.10 grams

The exceptionally fine handmade art deco brooch is set with 212 old mine cut diamonds, 20 square calibre cut diamonds and 52 calibre cut sapphires set in platinum. The brooch has an approx. diamond we

Art Deco period platinum ring, brightly polished and engraved, featuring centered bezel set blue sapphire high dome oval cabochon, weighing approx. 3.30 carats, further adorned with 22 old European an

This elegant Art Deco brooch is crafted in solid platinum, containing 4 old European cut diamonds weighing approximately 0.80 carat total, 27 old European cut diamonds weighing approximately 0.27 cara

Platinum Weight 9.6g Diamond Approx. 1.5ct Sapphire Approx. 0.3ct Brooch Measurements 0.95”x2.5”

This is a vintage platinum ring studded with 22 full cut diamonds and 17 sapphires. The diamonds are VS clarity and GH color. Size: 6.25 US. Weight: 4.4g. Diamonds: approximately 1.5mm each. Sapphires

Circa 1930's Ring, a center dark blue Sapphire (14x11mm) surrended by 30 Old Miner Cut Diamonds Approx. 0.30 CT on the sides. Ring size: 5. Weight: 4.9g.

One Art Deco period lady's round platinum diamond & sapphire brooch. The brooch measures approx. 1.50" round and features a total of twenty-three (23), bead set old mind cut diamonds measuring 1.70 -

VINTAGE 14K YELLOW GOLD DIAMOND BLUE SAPPHIRE BROOCH PIN Brooch measures 2.25" L x 0.16" W 14K Yellow gold Total diamonds and sapphire weight is 0.30ct 2 Blue sapphires are clean high quality 0.10ct

Belle Epoque Platinum Diamond and Sapphire Brooch; platinum; 13.0dwt/20.21g; center = 1.25cts; 94 round diamonds = 9.25cts; Total Diamond Weight = 10.50cts; 59 sapphires = 1.25cts; 2 1/4" x 1 1/4"