A Gubelin diamond, 18k Modernist brooch

Title: Gubelin 18k White Yellow Gold Modernist Brooch Pin Description:Gubelin 18k White and Yellow Gold Mid Century Masterpiece Modernist Geometric Brooch Pin Hallmarks or Signature: Gubeli

Modernist 18k Diamond Heart Brooch 1.5''. Includes five round brilliant cut diamonds measuring 4mm each approx. of average clarity VS-1 and color G/H. It is marked 18K with an illegible maker's cipher

Brooch features approx. 1.00ctw of (VS1/SI1-G/H) diamonds and approx. 0.66ctw of sapphires. Measures 75mm x 48mm. Marked with French Gold Assay Marks, tested 18K. Weight - 15.1g.Gemstones have not bee

This is a signed Dunay 18 karat yellow gold genuine malachite and natural diamond brooch.  This mid-1900's Modernist brooch features round polished malachite and approximately .10 carats of round

18K gold and diamond brooch. Modernist Nouveau Style. Dimensions: Height: 1 inches, Width: 1.75 inches. Weight: 3.6 DWT --- US Packing and Shipping charge: Jewelry Flat Rate combined Shipping: $10 per

Modernist Style 18K Golf Brooch Pin. Small diamonds. 3.6dwt. -- Dimensions: H: 1 inches: W: 2 inches--- Weight: 3.6 DWT --- US Shipping charge: $20 Plus insurance at a rate of $1 per hundred.

ED WIENER 18K Gold Hand Wrought Diamond Brooch Pendant Pin. Large sculptural modernist brooch with 5 faceted prong set diamonds and large set opal center stone. Mid century hand crafted studio jewelry

Ca. last half 20thC. Excellent with no breaks or repairs. Features fifty pave set diamonds ranging in size from approx. 3.5mm to 2mm. The pin is constructed of three layers of gold, two yellow, with t

20.00ctw Near Flawless Columbian Emerald, 8.00ctw Royal Blue Sapphire, 4.00ctw VS1-VS2/G-H Diamond & Solid 18K Yellow Gold Designer Brooch Signed JW - This magnificent, one of a kind piece is made of

1960s 9.00ctw Blue Sapphire and Emerald, 4.75ctw VS2-SI1/G-H Diamond and Solid 18K Yellow/White Gold 2.25" Brooch - This beautiful vintage piece is crafted of solid 18k yellow gold and has an elegant

Genuine 3 Pink Tourmaline Cabochon weighing approx. 20.00 carats total. They Grooved into leaves.

37.50ctw Blue Sapphire & Ruby, 2.75ctw VS2-SI1/G-H Diamond Solid 18K Yellow Gold 2.5" Vintage Brooch - This exquisite vintage piece was finely crafted of solid 18k yellow gold and is embellished with

Kutchinsky Carved Multi-Gemstone, 1.25ctw VS1-VS2/F-G Diamond Solid 18K Yellow Gold 1.5" Brooch/Pendant - This beautiful piece was made by the House of Kutchinsky, and was finely crafted of solid 18k

1970s 12.00ctw Green Tourmaline, 3.00ctw SI1-SI2/G-H Diamond and Solid 18K Yellow Gold/Platinum Brooch - This stunning vintage brooch is crafted of solid 18k yellow gold and platinum and is lavishly e

Item/Description: Fabulous ladies ruby and diamond brooch by Tiffany & Company. Fashioned from 18K gold as an open wreath of intertwined branches. Accented with clusters of rubies (38) and diamonds (9

9mm Turquoise and Lapis, 0.50ctw SI1-SI2/G-H Diamond and Solid 18K Yellow/White Gold Brooch - This lovely brooch was finely crafted of solid 18k yellow gold and has an elegant ribbon motif. The brooch

18 karat white gold diamond bow form brooch pin. 43 round diamonds total weight approximately 1.10 carats. H color VS2-SI1 clarity. One large marquis, diamond K-L color. VS2 clarity 1.7?1.8 carats. 9.

SeidenGang 0.90ctw VS1-VS2/G-H Diamond Solid 18K Yellow and White Gold Brooch - This lovely brooch from SeidenGang was finely crafted of solid 18k yellow and white gold and is embellished with approxi

RBC approximately .60 cts.

total in 38 round diamonds including scarce fancy pink, light blue, light green, yellow and brown and colorless diamonds, 18K yellow gold figural flower setting with Florentine finish, over one ounce,

crafted in 52.4 grams of 18K yellow gold. The center of the flower contains 5 round brilliant cut diamonds prong set and weighing appx. 0.50 carats. Graded F-G color and VS clarity. Throughout the hea

Important Estate 9 Carat Diamond & 18k Gold Rose Flower Pin / Brooch. Handmade custom design piece in 18kt white gold with nearly 300 pave diamonds totaling approximately 9 carats. Diamond color is F-

Retro Circa 1940 Approx. 8.0 Carat TW Gem Quality Diamond and 18 Karat White Gold Brooch. Two largest round brilliant cut diamonds weighing approx. 1.66 carats TW. Next seven largest round brilliant c

Van Cleef & Arpels 0.65ctw VS1-VS2/F-G Diamond and Solid 18K Yellow Gold Magnolia Flower Brooch - This beautiful brooch was made by one of the world's foremost designers of high-caliber luxury jewelry