Platinum and diamond circle pin

set with a marquise dangle approx. 0.45 carats, and 33 round diamonds approx. 2.60 carats, total diamond weight 3.05 carats (in our opinion: F-G color, SI1-2 clarity, however not guaranteed), pin test

Platinum open circle brooch, set with baguette and round diamonds - approx. 2.40ctw. Brooch is 30mm in diameter. Marked: Maker's Mark Irid. Plat. Weight - 8.5 grams.

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

Vintage Diamond Circle PinPlatinum pin with 2.48cttw diamonds. Color G-Clarity VS2. Diameter 1 1/4 inches (pin)From the Estate of Roberta Folonie Schuetz

Platinum double circle diamond pin/pendant. The pin is designed with a pair of intertwining circles set with diamonds. One is set with marquise cut diamonds in graduating size, the other is set with r

Pin contains 26 OMC and OEC cut diamonds. Approximately 1.5 cts, TW 12.5 dwt.

Title: Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin Brooch Description: Classic circle pin featuring approx. 3.0ctw of very well-matched, white F-H color, clean VS, hi-performance d

White gold (platinum?) & yellow gold pin set with diamonds (18); .05 round diamonds and (18) tiny diamonds; 2.3DWT; VG-EX

Platinum open circle pin featuring old European and round cut diamonds, weighing approx. 2.00 ctw, and French cut black onyx, milgrain edge, 18K safety catch, 1.25 in. diameter, 5.8 grams Provenance:

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.

Title: Vintage Tiffany & Co. 3ctw Fine Diamond 0.75ctw Natural Ruby Platinum Art Deco Circle Pin Brooch Description: Signed Tiffany & Co. platinum circle pin featuring approx. 3.0ctw of the fieriest

Yellow gold 14 Kt and platinum diamond cluster brooch with 39 diamonds in concentric circle at center of pin. Acid tested. Weight 4.1 dwt. Condition: Excellent condition. L. 2-1/8" D 1/2". Copy and pa

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.

Stunning Platinum Diamond Pin Measuring 3.75" in length, possibly a hat pin and or hairpiece, featuring three rows do round brilliant cut diamonds and a row of straight baguettes (g-VS1) approx. 12ct

Stunning Platinum Diamond Pin Measuring 3.25" in length, likely a hat pin or hairpiece, with wave like placeholders on the reverse, featuring three rows of brilliant round cut diamonds accented with a

RBC, marquise and baguette cut diamonds approximately 8 cts TW. Approximately GH, VS. 12.7 dwts.

Ladies fine quality Diamond circle pin. Crafted of solid 14k white gold. Set with 26 round brilliant cut Diamonds. Diamonds are very fine quality averaging VS1 clarity with G/H color. Total Diamond we

Platinum Diamond Circle with Bow Brooch. Approx 3.5 tcw. 1" 4.7 DWT- 7.4 G

METAL: Platinum/ 14k Gold. MEASUREMENTS: Earrings are 30mm long, circles are 18mm in diameter. GEMSTONES: Diamonds approx. 0.34ctw. MARKED: 900p, Waterman hallmark. Backs marked 14k. WEIGHT: 6 grams.G

11.4 grams total weight. With old European and mine cut diamonds, 15 total. 3.25 ct. total, largest diamond .38cts. VS - SI clarity and I-J-K color. Small chip on central diamonds. Top of pin platinum

in classic Edwardian design, set with 30 round diamonds approx. 1.00 carats, tests platinum, stamped 'BS&F', 1.4in., 6.4gms.

set with 63 round diamonds approx. 1.65 carats (in our opinion: G-H color, VSI clarity, however not guaranteed), one diamond missing, tests platinum, 15x37mm, 5.8gms., Opening Bid $500

Platinum & diamond circle brooch, c1915, 3.25 dwts

Platinum necklace, with triple circle drop pendant, adorned with a total of approx. 2.00-2.20ctw in diamonds. Necklace is 15.75" long, pendant is 2 5/8" long, largest circle is 26mm in diameter. Marke