PLATINUM AND DIAMOND PIN set with sapphires leng

ART DECO PLATINUM, DIAMOND & SAPPHIRE BAR PIN set with 41 European cut diamonds approx. 1.70 carats, (center diamond approx. 0.75 carat, in our opinion: G-H color, I1 clarity, however not guaranteed),

Vintage Edwardian Era Platinum, Diamond and Sapphire Bar Pin, set with (5) rectangular blue sapphires and (6) small European cut diamonds. 2 1/4" long, 1/4" wide.

" A lovely, remarkably wearing tri-color sapphire and diamond brooch pin set in Platinum 950 is accentuated with oval sapphires and linked by over 1 carat marquise-shaped diamonds in a prong setting.

Sapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reser

Sapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reser

Art Deco Platinum Diamond Stick Pin, Period antique lapel pin; platinum set with ten European cut diamonds, bead set and four square cut sapphires, the center with a European cut round cut diamond, ap

Vintage Platinum Diamond & Pink Star Sapphire Pin consisting of approx. 12.0mm round cabochon pink star sapphire bezel set in the center of a platinum pin approx. 1 3/8 inches x 1.0 inch, 36 old mine

Platinum diamond sapphire pin; frame tests platinum and is set with a 6x6mm cushion shaped blue sapphire in a flower, and additional small 1.0x1.0mm square calibre accent blue sapphires in a ribbon de

c. 1915 platinum bar pin featuring 16 round sapphires bezel set with milgrain accent separated by diamonds set in leaf design, 3.5 in. L, 8.7 grams

Signed Art Deco Cartier platinum ruby, diamond and sapphire pin. The rectangular pin is decorated with a pair of star shaped mountings set with single round faceted sapphire. The sapphire stars are su

Set with 9 round diamonds approx. 0.30 carats, and 2 square cut sapphire melee, overall head 20x15mm, tests platinum, (pin stem not platinum or gold), gross weight 2.5gms.

set with a round diamond approx. 0.20 carat, centering 5 (8x6mm) synthetic star sapphires, and 30 diamond melee, tests platinum, overall diameter 1.4in., 16.2gms.

A platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for colo

A lovely, vintage white gold and platinum stick pin featuring an approximately .18ct old European cut diamond and six single cut white diamonds, as well as two invisible set calibre sapphires on each

c. 1920-30, American, 18K yellow gold platinum toped filigree brooch featuring cushion cut sapphire with diamonds set in filigree, 2.75 in. L, 4.4 grams

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.

Art Deco Platinum Sapphire and Diamond Brooch Item # 6953 Category Pins & Clips *Art Deco Platinum Sapphire and Diamond Brooch* Weighing 20.9 grams Set with 24 dangling diamonds weighing app. 4.70 Ct.

Antique Art Deco Platinum, diamond and sapphire filigree pendant, converted from a bar pin. Features a 3" elongated lozenge shaped design set throughout with bezel and milgrain edged old European cut

An Art Deco jabot pin in platinum weighing 4.0 grams, the pin is set with two round diamonds weighing approximately 0.11ct each of "SI1-2" clarity and "G" colour, twelve caliber cut paste sapphires, a

This is an ORIGINAL ANTIQUE BAR PIN that was made during the ART DECO PERIOD of c1925 - c1935. It is handmade from PLATINUM and stamped PLAT. It ORIGINATES from EUROPE. The pin is set with 9 OLD TRANS

weighing approximately 10.0 grams. crafted in solid Platinum, this exquisite piece is adorned by an outstanding (4) Large Genuine Diamonds round-cut, prong-set, ( G-H color and VS clarity) & (16) Larg

featuring 21 bezel set diamonds, rubies and sapphires approx. 2.50 carats, tests platinum over 14K yellow gold, pin stem and frame with a slight bend, length 3.5in., 10.2gms., Opening Bid $600

Antique 18K Yellow Gold & Platinum Top Jabot Pin Weighing 4.5 grams set with 20 Diamonds weighing app. 0.25 Ct. Along with 4 Sapphires weighing app. 0.30 Ct. 2.25 inches in length

-Platinum 1.75 ct. diamond and sapphire pin -Sapphire center stone 3/8 ct. -Overall condition is excellent, no surface wear or scratches -Estimated total diamond weight = 1.75 ctw -Approx. total weigh