Sold2022A Mid-Century 7.00 ctw Diamond Ribbon Pin in PlatinumPlatinum diamond ribbon brooch combines old European, round and baguette cut diamonds weighing approx. 7.00 ctw with an average color grade of H-L and an average clarity grade of VS-SI set in flowingSee Sold Price
Sold2022Vintage Platinum Tiffany “Love" PinVintage Platinum Tiffany “Love" Pin 1.40 cttw, diamonds G color, SI1 clarity. 21 round cut diamonds @ 2.6mm and 1 @ 3.3mm. Largest diamond 0.14 ctw. Signed Tiffany on reverse in script letteringSee Sold Price
Sold2022Edwardian Platinum/18K and .85 CTW Diamond Bar PinDESCRIPTION: Edwardian platinum/18k and .85 CTW diamond bar pin. Tested 18k white gold filigree bar pin with platinum top. Pave set with forty-one old European cut, single cut and semi-rose cut diamonSee Sold Price
Sold2021Vintage Art Deco Platinum/14k Filigree Diamond StickVintage Art Deco Platinum/14k Filigree Diamond Stick Pin, .10 CTW. Tested platinum, stick pin marked 14k. Approximately .10 carat diamond. 2-1/2". 0.9 dwt. Comes in original case, blue velvet lining.See 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
Sold2020Platinum bow pinPlatinum bow pin, set with approx. 1 ctw diamonds, 1.75", 8 gramsSee Sold Price
Sold2018AN ANTIQUE PLATINUM AND DIAMOND BAR PIN, 2.30 CTTWThe filigree design with three diamonds estimated at approximately .50 carats each with eight .10 carat accent diamonds, estimated 2.30 CTTW, unmarked, tests for platinum. Measures .75 x 2.75 inches,See 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
Sold2019D. Webb 30.7ctw Emerald, Sapphire, Diamond BroochDavid 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 craftSee Sold Price
Sold2022An Art Deco Diamond & Onyx Geometric Bow PinPlatinum geometric bow pin featuring diamonds weighing approx. 3.00 ctw with an average color grade of G-H and an average clarity grade of VS, bead set with French cut black onyx channel set in designSee Sold Price
Sold2016Platinum Art Deco Diamond Bow PinDESCRIPTION: Platinum bow pin with black grosgrain ribbon edged with approximately .5 ctw of diamonds. MEASUREMENTS: 2" x 3/4". 4.9 dwt (7.5 gr). CONDITION: No defects noted.See Sold Price
Sold20223.6 CTW DIAMOND & PLATINUM WREATH BROOCHVintage platinum and diamond circular pin with interlocking ribbon form comprising of 3.6 ctw diamonds (VS - SI clarity, G-H color). Unmarked. Ahlers & Ogletree, Inc. reserves the right to demand paymSee Sold Price
Sold2022A Vintage Diamond & Black Onyx Circle Pin in PlatinumPlatinum 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:See Sold Price
Sold20222.35 Ctw in Diamonds Platinum Flower BroochFlower Pin Brooch crafted in Platinum, set with a center Roun-cut Diamond Approx. 0.30 carats. F-G color, VS clarity. Along with 42 full cut Diamonds weighing Approx. 2.05 carats. G-H color VS-SI clarSee Sold Price
Sold2017PLATINUM DIAMOND & SAPPHIRE PIN APPROX. 1.75 CT-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 weighSee Sold Price
Sold2021Platinum, Diamond & Seed Pearl Bar PinDESCRIPTION: Tested platinum bar pin set with five 2mm seed pearls and twenty .02 carat each diamonds, .40 CTW. MEASUREMENTS: 2" wide. 3.3 dwt (5.2 gr). IMPORTANT: Before bidding, please read the termSee Sold Price
Sold2022Edwardian Diamond, Platinum, 18k Heart Pin PendantDesigned as a heart, featuring sixty-four Old European-cut diamonds weighing a total of approximately 2.74 cttw., set in a platinum-topped, 18k yellow gold pin pendant mounting measuring approximatelySee Sold Price
Sold2021PLATINUM OVER GOLD DIAMOND BASKET PIN.Filigree basket form set with approx. 2 ctw of old European and rose cut diamonds, approx. 2”L 7.7 grams.See Sold Price
Sold2020Art Deco gold and diamond stick pins, twoArt Deco gold and diamond stick pins, two left to right: 1) platinum, 14K yellow gold, 0.20 carat round brilliant cut diamond (clarity: VS2, color: G), 0.50 cttw single and old European cut diamonds (See Sold Price
Sold2019A Victorian Diamond Horseshoe Pin in 14K14K yellow gold and platinum topped horseshoe pendant featuring 36 well matched Old European cut diamonds weighing approx. 2.00 ctw, 1.5 in. L, 7.6 gramsSee Sold Price
Sold2015Art Deco Filigree Diamond BroochDESCRIPTION: Tested platinum and 14K gold marquise shaped white gold bar pin with three early round brilliant diamonds. Approximately .5 ctw. MEASUREMENTS: 1-1/2" x 5/8". 2.2 dwt (3.4 gr). CONDITION:See Sold Price
Sold2023Art Deco Platinum and Diamond Bow Wreath BroochItem/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.See Sold Price
Sold2023Chinese Green Jade Bead Infinity Stretch BraceletItem/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.See Sold Price
Sold20181.82 CTW Diamond & Platinum RingDESCRIPTION: Vintage 1.82 CTW diamond and platinum ring manufactured by Kirk. Tested platinum setting features .60 carat center stone (Clarity VS2, Color J-K) and .36 carat each side stones, with twenSee Sold Price
10 hrs LeftFederal Assets AuctioneersAntique Edwardian French 18k Gold & Platinum 0.80 ctw Diamond Pearl Bar Pin BrooUS$1
Jun 02Tremont AuctionsVintage diamond and sapphire mounted platinum round pin. 16 round cut diamonds, approx. 1.2 CTW. 16US$300(1 bid)
3 days LeftFederal Assets AuctioneersAntique Edwardian Platinum Top 18k Gold 0.55 ctw Diamond Milgrain Bar Pin BroochUS$1
6 days LeftMynt AuctionsPlatinum Antique Art Deco Diamond Brooch .75tdw 4.9g VS Excellent ConditionUS$1,700
988 Lots AwaySeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin BroochUS$1
May 31Miami Auctions & Appraisals LLC Vintage 21.90cts Platinum Mixed-cut Natural Diamond tassel Brooch PinUS$48,750
3 days LeftSeized Assets AuctioneersVintage Platinum 1.98 ctw Baguette Marquise Old Cut Diamond Spray Flame Pin BrooUS$1
May 31Miami Auctions & Appraisals LLC Vintage 12.82cttw Diamond Platinum Double Clip Brooch PinUS$14,750
1 day LeftSeized Assets Auctioneers13.0mm PEAR SHAPE White South Sea Pearl and 1.35 ctw Diamond Platinum RingUS$1
May 31Miami Auctions & Appraisals LLC Vintage 10.48 cttw Diamond Platinum Cascading Drop EarringsUS$7,000
May 31Miami Auctions & Appraisals LLC Estate 5.60 cttw Diamond Platinum Teardrop Dangle EarringsUS$13,250