Sold2022Platinum Pin with DiamondsPlatinum Pin with Diamonds Monogram design, tested 95% platinum, 5.3 grams total weight, with twenty graduated size diamond rounds in surface mountings measuring up to 2.25mm in diameter, openwork desSee Sold Price
Sold2021Gold and Platinum Pin with DiamondsGold and Platinum Pin with Diamonds 14kt yellow gold pin (stamped and tested 585) with platinum top. Contains five european cut diamond rounds measuring between 1.7mm and 3mm in size (five diamonds inSee Sold Price
Sold2022Stunning Platinum Diamond PinStunning 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. 12ctSee Sold Price
Sold2022Stunning Platinum Diamond PinStunning 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 aSee Sold Price
Sold2015Early 20th Century Platinum & Diamond Pin11.4 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 platinumSee Sold Price
Sold2023Mid Century Diamond, Platinum PinMid Century Diamond, Platinum Pin Of sinuous design, featuring ninety-one marquise, round brilliant, baguette, and single-cut diamonds weighing a total of approximately 2.05 cttw., set in a platinum pSee Sold Price
Sold2021PLATINUM & DIAMOND PIN BY BLACK, STARR & FROSTin classic Edwardian design, set with 30 round diamonds approx. 1.00 carats, tests platinum, stamped 'BS&F', 1.4in., 6.4gms.See Sold Price
Sold2022DECO PLATINUM & DIAMOND PIN PENDANT, 1.65CTWset 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 $500See Sold Price
2020Art Deco Krementz Green Jade Diamond Platinum PinSigned Krementz art deco gemstone brooch. Features a platinum topped pin backed with 14k gold, and embellished with a pair of diamonds flanking an apple green jade measuring 15mm x 11mm. Total diamondSee Sold Price
Sold2022Antique 18kt White Gold Platinum Top Pin With DiamondsAntique 18kt White Gold Platinum Top Pin With Diamonds Measuring approx. (1.65" x 0.95") adorned with old mine cut diamonds - several missing - approx. 0.78ct tdw, stamped and tested (10.8 grams tw).See Sold Price
Sold2018Art Deco Platinum Diamond Pin BroochMETAL: 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 tSee Sold Price
Sold2020Mid Century 1950's Platinum 4.00ctw Diamond Brooch PinMid 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.See Sold Price
Sold2016VCA Diamond and Gold Flame PinVCA 18K platinum diamond flame pin. Diamond weight approx. 1ct. Signed VCA 1V6 74.165. Length 2 1/8'', width 1/4'', weight 5.4g.See Sold Price
Sold2022Antique Platinum Diamond Edwardian PinAntique 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 milgraiSee Sold Price
Sold2017A Lady's Russian Platinum Ruby & Diamond PinA 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 1See Sold Price
Sold2018A Platinum and Diamond Pin,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 wSee Sold Price
Sold2016VINTAGE 18KT GOLD PLATINUM AQUAMARINE & DIAMOND PINVINTAGE 18KT GOLD, PLATINUM, AQUAMARINE & DIAMOND PIN, W 2 1/4":Having a center aquamarine, flanked by diamonds set in platinum, and fitted with an 18kt gold closure. Weighing approximately 4 grams. FSee Sold Price
Sold201914KT YELLOW GOLD & DIAMOND PIN W/ PLATINUM TOP ~ 214KT YELLOW GOLD & DIAMOND PIN W/ PLATINUM TOP ~ 2.5" IN LENGTH, OPENWORK FILIGREE STYLE BAR PIN CONTAINING THREE ROUND BRILLIANT DIAMONDS (0.30CT TDW) 4.4 GRAMS TW, TOTAL APPRAISED VALUE - $2,670.00See Sold Price
Sold2017Platinum Sapphire Diamond Pin BroochSapphire 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 reserSee Sold Price
Sold2018Platinum Sapphire Diamond Pin BroochSapphire 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 reserSee Sold Price
Sold202114K Platinum And Diamond Pin. 3.2g14K Platinum And Diamond Pin. 3.2g. Marked 14KJ. Approximately 2.75 in long. ALL CREDIT CARDS WILL BE MANUALLY VERIFIED PRIOR TO SHIPMENT.See Sold Price
Sold2022A platinum stick pin set with diamondA platinum stick pin (1.88"L) set with one gem quality diamond wt. approx. 0.15ct (VS/VVS, F/G quality), wt. 1.7gmSee Sold Price
Sold20224 Fraternal 14K Gold, Platinum, And Diamond Pins And 12K Gold Pendant4 Fraternal 14K Gold, Platinum, And Diamond Pins And 12K Gold Pendant. Pendant Is 12.2g. Tests As 12K. Marked Spes Mea In Deo Est, 32, INRI. Approximately 1 L x 0.875 W x 0.25 D Inches. Pins Marked 14See Sold Price
Sold2022Openwork Platinum and Diamonds Pin/Pendant - 5.33 CTTWOpenwork 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 - 5.5mmSee Sold Price
May 14Adam's AuctioneersA LATE 19TH/ EARLY 20TH CENTURY EMERALD AND DIAMOND BROOCH Designed as a stylised flowerhead, centr€0