Mid-Century Modern Brutalist FRIEDRICH SPEIDEL Germany 18K Yellow Gold Brooch

Made by Friedrich Speidel around the 1960s in Pforzheim, Germany, this great piece measures approx. 1 3/4" long x 1 1/4" high and weighs ca. 9.3 grams. Marked "750" for 18K gold and carrying Speidel's

Mid-century modern 18k yellow gold, diamond & lapis brooch, .20 diamond points, TW. Marked .750 and 762 AL to back. 10.6 dwt.

Mid-century modern 18K yellow gold jewelry set by Tishman Lipp, comprising a sunburst brooch with diamond accents set as a flame or comet [1 3/8" Diam. x 1/2" D] and a pair of matching earrings (witho

18k Yellow Mid Century Modern Brutalist Gold Chain Link Necklace. Marked 750 Hk. 31 Inches L, 28.7 Grams Weight.NO GOLD IS KEPT ON SITE - TO PREVIEW THIS ITEM, PLEASE MAKE AN APPOINTMENT.

5 dangling emeralds totaling 3.20 carats, high grade, in textured 18K yellow gold, mid-century modern style, purchased at Sterns, with appraisal of $5,450.00, 1 1/8".

18K yellow gold mid century sputnik brooch and earrings set. All 3 could be turned into pendants. Citrine center gem. Petals adorned in sapphire and pearls. Total Weight: 32 G.

Diamond Brooch, mid century modern design, 8 round diamonds totaling .30 carat in 18k yellow gold, 1" x 2", 13.8 grams, Italian designer.

Fire Opal Brooch, Brutalist or Mid-Century modern design, brutalism style, 14k yellow gold, colorful cabochon stones, 1 3/4" x 1 3/4", 14.2 grams.

MARKED 750 YELLOW GOLD WITH CARVED SALMON CORAL FLOWER 6MM TO 10MM. MEASURES 3 INCHES BY 1 1/4 INCH. ALL EXCELLENT CONDITION. (USA SHIPPING $10)

KG JI00 Mid Century Modern 18K Yellow Diamonds Malachite Ring · Weight: 23.6 g · Material: 18K Yellow Gold · Gemstone: Round Brilliant cut diamonds 1ct., G/ VS1 · Gemstone2: Malachite · Measureme

Mid-century modern 18K yellow gold wave textured earrings with 14K yellow gold post omega backs. 0.937" L x 0.937" W. Gold tested. Approx: 11.1 dwt.

KG N00 Mid Century Modern 18K Yellow Gold and Platinum Unisex Square Ring · Weight: 12.5 g · Material: 18K Yellow Gold and Platinum · Measurements: 3/8” · Ring size: 9.25-9.5 · Deta

18K white gold and diamond modern brooch. 5.0 dwt. inclusive.

Mid-Century Modern 18K yellow gold sculptural ring with split overlapping shank and incised circular motif, marked "18K Italy" with maker's mark. Size 6. Approx: 3.4 dwt.

Vintage Mid-Century Modern 18K yellow gold ring with sculptural undulating wave-form design, marked "750." Size 7.75. Approx: 4.4 dwt.

Tiffany & Co. mid-century modern vintage 18K yellow gold designer drop earrings with round onyx cabochons and French clip clasps, marked "Tiffany & Co. / 18KP." Onyx approx: 16mm Diameter. Earrings ap

Mid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.

Mid century circa 1950s, 18k yellow gold brooch with 1.05ctw in blue sapphires and approx. 0.88ctw in diamonds. Brooch is 70mm x 35mm. Marked: 18k. Weight - 23.8 grams.

Mid-century modern brutalist handmade 14K yellow gold and garnet ring, set with nine garnets, center oval-cut faceted garnet approx: 6.5 mm x 5 mm. 1.06" L x 0.68" W. Ring size: 4 1/2. Gold tested. Ap

This is a vintage Mid Century Modern 14K yellow gold wise owl brooch pin with faceted topaz eyes. 1 1/4 x 1". It weighs 14.1g.

Vintage mid-century modern 18K tri-gold (white, yellow and rose gold) high polished clip earrings with omega backs, marked: "750 / 1183 AI." Earrings measure 0.937" L x 0.625" W at widest section. App

Whimsical 18K yellow gold mid-century modern robot-form pendant with onyx eyes. 5.1 dwt. [1 1/2" H]. In good condition.

Ed Wiener, American (1918-1991) Mid 20th Century Modern 14 Karat Yellow Gold and Pearl Brooch. Signed Ed Wiener and 14K. Minor Surface Wear from Normal Use Otherwise Good Condition. Measures 2-7/8 Inc

A MID-CENTURY MODERN DIAMOND, CULTURED PEARL, AND YELLOW GOLD STARBURST BROOCH, the radiating starburst yellow gold frame centering a 3.8 mm pale pink cultured pearl, issuing six pointed rays set with