Platinum & Diamond Letter "R" Pin

20th century American platinum and diamond letter "R" pin, having approximately 1ct of diamonds. 2.1 dwt. inclusive. In good condition.

Vintage 14kt White Gold Platinum Top Filigree Pin Measuring approx. (0.5î x 1.55î) featuring a (1.6mm) diamond center stone accented with a marquise cut emerald- synthetic, on each side of the s

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

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

METAL: platinum. GEMSTONES: diamonds-approx. 0.90 -1.00ctw. MEASUREMENTS: brooch 60 x 6.3mm at widest point. MARKED: Plat. WEIGHT: 5.4 grams.Gemstones have not been graded for color and clarity, and t

Mid Century Platinum Diamond Pin. Adorned with round and baguette cut diamonds - approx.4.00ctw . Measurements - Pin is 34mm in diameter. Tested - Platinum. Weight - 14.1 grams.

Antique platinum diamond pin, the Edwardian pin is fashioned of 14K yellow gold and faced with platinum. The center of the pin is decorated with intricate organic cutwork, outlined in delicate milgrai

Stunning Vintage Platinum, Diamond Filigree Pin Measuring (2.39" x 0.95") adorned with European cut diamonds including a 1.70ct center stone (I-VS2, I-SI1) approx. 3.42ct tdw, pendant bar located at t

Vintage Platinum Diamond Bar Pin Measuring 3.39" in length (11mm wide) containing (5) European cut diamonds (2 are missing) (approx. 2.43ct tdw, H-I VS2), not stamped or signed, electronically tested.

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),

Set with 12 square cut diamonds approx. 1.80 carats, stamped 11170 Cartier, tests platinum, length 1.6in., 6.8gms.

set with 22 European cut diamonds approx. 3.00 carats (in our opinion: K-L color, SI2-I1 clarity, however not guaranteed), 2 center diamonds each approx. 70pts, in tested filigreed platinum (pin stem

Item: Ladies Antique 1940's Platinum & Diamond & Ruby Pin Brand: Unbranded Metal Purity: platinum Gemstones: Diamonds, Rubies Carat Weights: 1.20 ct diamonds TW, .64 ct rubies TW Size: 2 3/4" x 1" Mou

METAL: Platinum. GEMSTONES: Old mine cut diamonds total approx. 1.55ctw. Center diamond approx. 0.65ct. MEASUREMENTS: Brooch is 51mm x 19mm. TESTED: Plat. WEIGHT: 10.1 grams.Gemstones have not been gr

Platinum. Missing one melee diamond. Tested. Weight: 19.89g gross. Contains Pear, round brilliant and baguette cut diamonds of an estimated 9.23ct total, average SI clarity. 52 mm. Offered without res

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

A Lady's Russian Platinum Ruby & Diamond Pin / Brooch / Pendant. Containing four (4) rubies set in a platinum mounting containing 2.50 carats of diamonds. Clarity SI clarity H-I color. approx weight 1

18kt Yellow Gold and Platinum 0.35ctw Diamond & 0.75ctw Peridot Two Doves Brooch/Pin - 14 grams

METAL: Platinum. GEMSTONES: Diamonds (one stone is missing) - approx. 3.00ctw. MEASUREMENTS: Brooch is 63mm x 29mm. TESTED: Plat. WEIGHT: 11.9 grams.Gemstones have not been graded for color and clarit

METAL: Platinum. MEASUREMENTS: Brooch is 30mm in diameter. GEMSTONES: Diamonds approx. 0.80ctw. Comes with brooch. MARKED: Tiffany & Co, pt950. WEIGHT: 8 grams.Gemstones have not been graded for c

A Platinum and Diamond Pin, Having one old European cut diamond, measuring approx. 5.6x3.22mm and weighing approx. 0.64ct, clarity SI and color H-I. Also set with twenty-eight brilliant cut diamonds w