Custom Platinum and Diamond Initial Brooch. F H. 1 1/4"

Victorian 18K & Platinum Diamond Brooch Weighing 9.1 grams Set with 49 Old European-cut Diamonds weighing app. 2.60 Ct. F-H Color, VVS-VS Clarity 2 inches in length

Vintage Approx. 2.0 Carat TW Round Brilliant Cut Diamond and 14 Karat Yellow Gold Ribbon Brooch. Diamonds F-G color, VS1-VS2 clarity. Stamped 14K. Measures 3/4" H, 1" W. Approx. weight: 6.29 grams. Co

DIAMOND AND PLATINUM BROOCH 2 CTS APPROX. H 1 1/2" W 1 1/4":30 full cut round diamonds in surround "F" color, v. s. 1 clarity. Three marquis shape diamonds, seven baguettes, eight full cut round diamo

convertible to two dress clips; signed 'Yard'; containing two round brilliant cut diamonds [G-H/SI] weighing approximately 1.00 carat total; 166 old full and single-cut diamonds [G-H/VS-SI] weighing a

A late 19th century platinum and 15ct gold, graduated pearl and old-cut diamond crown brooch.Estimated total diamond weight 1.75cts, G-H colour, VS-SI clarity.Length 4cms. 14.2gms.Pearls untested for

Platinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averag

Fully marked on back. In the Beaux -Arts taste, early 20thC. From the same estate as the matching ring (lot 36). Missing one emerald baguette. H 1 W 2 D 1/8 Weight 8 Grams Missing one emerald baguette

Art Deco Platinum Diamond Brooch/Clips Weighing 28.8 grams Set with 108 Diamonds weighing app. 12.00 Ct. F-H Color, VS1-SI1 Clarity 2 Inches in length

Diamonds Tested. Marked 'g5x2' H 1.8in W 1.8in D .33in Weight 11.15 Grams TW

A Brooch composed of platinum. encrusted with approx. 2 cts of single cut White diamonds. Unmarked (Tested Platinum) Total Weight: 8 Grams CIRCA: 20th Cent. ORIGIN: USA DIMENSIONS: H: 1" W: 1.5" CONDI

Reverse marked Plat. 7191?. Platinum diamond brooch with 43 Diamonds 2 cts. SI1 G-H; Center diamond old mine cut .40 cts. 12.2 g. 1.25 in. H x 1.25 in. W x .75 in. D.

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.

Estate Lot of Platinum Jade & Diamond Art Deco Brooch & Ring. Oval Jadeite Flowered Brooch surrounded by platinum art deco motif with diamonds. The brooch measures W 2" x H 1". Art Deco Platinum Jade

VINTAGE TIFFANY & CO. 3ct PLATINUM BROOCH PIN Brooch measures 1.85" H x 1.75" W Vintage Tiffany & Co. Platinum 3ct Diamond bow brooch with filigree design Center diamond apx 0.50ct Emerald cut Super c

Platinum, emerald, and diamond encrusted bow form pin. Apparently unmarked, tested for fineness. Approx. h. 1.5", w. 1.375", total weight 7.1g. Ahlers & Ogletree, Inc. reserves the right to require pa

Art deco brooch set with five Old European cut diamonds. Center approximately .20 carat and four approximately .03 carat each, .42 CTW. Clarity SI2, Color H-I. 1-7/8" x 5/8". 3.0 dwt. IMPORTANT: Befor

Gold, Platinum, Ruby and Diamond Brooch 14 round rubies ap. 1.40 cts., square and rectangular-cut rubies, old-mine and single cut diamonds ap. 1.85 cts., small rose-cut diamonds, several rectangular-c

French Art Deco Platinum Diamond Bracelet Weighing 54.2 grams Set with a 0.60 Ct. Diamond in Center Along with 282 Diamonds weighing app. 10.00 Ct. And 18 Baguette Diamonds weighing app. 1.00 Ct. F-H

11 pear cut diamonds, approx. 2.00ctw., G-H, VS2-SI1, 70 assorted cut diamonds, straight baguettes, tapered baguettes, lozenge, trapezoids, approx. 4.15ctw., G-H, VS2-SI1, length 2-1/8 in. at longest

Mid century platinum drop brooch, with approx. 1.77ctw SI2/G-H diamonds. Brooch measures 38mm x 30mm. Weight - 7.2 grams.

METAL: Platinum. GEMSTONES: Diamonds - approx. 2.00ctw. MEASUREMENTS: Brooch is 48mm x 35mm. TESTED: Platinum. WEIGHT: 14.1 grams. Gemstones have not been graded for color and clarity ,and tested for

three old mine and 16 old European cut diamonds estimated total weight 1.35cts., H-I, SI to I, top of mounting tested platinum, stamped "14K", yellow gold, 1/2 x 3-1/8 in., 7.9 gramsÿ - Provenance: A

1920’s Platinum Weight 8.2g Diamond Approx. 0.5ct VS1-H Bar Brooch measurements 1.4”x2.5”

Tiffany & Co. 2.35ctw VS1-VS2/F-H Diamond & Solid Platinum Engagement Ring/Wedding Band (1.00ct Diamond Solitaire) in Tiffany Gift Box - This elegant and luxurious wedding set was made by one of the w