Bidspirit auctions | Karl-Heinz Cortrie GmbH Auction Oct 11, 2025

Karl-Heinz Cortrie GmbH, Oct 11, 2025. 350 lots, estimates 300 - 20000 €.

Karl-Heinz Cortrie GmbH -

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Lots in this catalog (350)

• Lot 5001: Ring: high-quality 950 platinum goldsmith's ring from Tiffany & Co. — €300 - €500
• Lot 5002: Ring: attractive flower ring with brilliant-cut diamonds totaling ca. 1.1 ct, 18K white gold — €300 - €700
• Lot 5003: Ring: modern, large diamond goldsmith's ring made of 14K yellow gold, ca. 0.44 ct — €400 - €700
• Lot 5004: Ring: as good as new, interesting diamond/brilliant-cut diamond goldsmith's ring made of 18K white gold, ca. 0.77 ct — €510 - €800
• Lot 5005: Ring: finely crafted designer diamond goldsmith's ring made of 18K white gold, as good as new — €450 - €800
• Lot 5006: Ring: solid, unusual designer diamond goldsmith's ring in crossover design, as good as new — €530 - €1,000
• Lot 5007: Ring: unusual designer diamond goldsmith's ring made of 18K white gold, ca. 0.85 ct, unworn — €500 - €1,000
• Lot 5008: Ring: delicate and as good as new diamond/brilliant-cut diamong goldsmith's ring made of 18K white gold, ca. 0.68 ct — €525 - €1,000
• Lot 5009: Ring: white gold designer goldsmith's ring with diamond setting, 18K white gold, as good as new — €510 - €800
• Lot 5010: Ring: white gold diamond/brilliant-cut diamond goldsmith's ring, unworn — €650 - €1,000
• Lot 5011: Necklace: delicate white gold anchor chain with elegant designer diamond pendant, unworn — €540 - €1,200
• Lot 5012: Ring: delicate white gold brilliant-cut diamond goldsmith's ring, unworn — €600 - €1,000
• Lot 5013: Ring: unworn, very beautiful tanzanite/diamond goldsmith's ring, 18K white gold, fine tanzanite of ca. 1.73 ct — €475 - €1,000
• Lot 5014: Pendant: as good as new pendant with the finest tanzanite of ca. 1.1 ct and brilliant-cut diamonds, top quality — €420 - €600
• Lot 5015: Ring: unworn, beautiful tanzanite goldsmith's ring, 18K white gold, tanzanite ca. 1.31 ct — €410 - €800
• Lot 5016: Ring: as good as new tanzanite/brilliant-cut diamond goldsmith's ring made of 18K white gold, ca. 1.45 ct — €550 - €850
• Lot 5017: Ring: interesting modern designer goldsmith's ring set with sapphires and diamonds, unworn — €530 - €800
• Lot 5018: Ring: fine sapphire/brilliant-cut diamond goldsmith's work in 18K white gold, as good as new — €500 - €1,000
• Lot 5019: Ring: as good as new tanzanite/diamond ring in top quality, tanzanite ca. 2.05 ct, unworn — €640 - €1,500
• Lot 5020: White gold, unworn, modern tanzanite/brilliant-cut diamond goldsmith's ring, very fine tanzanite ca. 2.12 ct — €760 - €1,500
• Lot 5021: Ring: delicate, as good as new ruby/diamond goldsmith's ring, 18K white gold — €420 - €1,000
• Lot 5022: Ring: as good as new, unworn ruby/brilliant-cut diamond goldsmith's ring, ruby ca. 2.23 ct, 18K white gold — €740 - €1,500
• Lot 5023: Earrings: classic and attractive ruby/brilliant-cut diamond stud earrings in the shape of flowers — €1,000 - €1,400
• Lot 5024: Ring: as good as new ruby/brilliant-cut diamond goldsmith's ring made of 18K white gold, ca. 2.2 ct — €580 - €1,500
• Lot 5025: Ring: white gold, unworn, modern emerald/brilliant-cut diamond goldsmith's ring, emerald ca. 1.04ct — €410 - €800
• Lot 5026: Ring: attractive white gold emerald/diamond goldsmith's ring, ca. 1.3 ct, unworn — €600 - €1,200
• Lot 5027: Ring: unworn white gold brilliant-cut diamond/emerald goldsmith's ring, fine emerald of ca. 0.82 ct — €650 - €1,300
• Lot 5028: Ring: delicate emerald/brilliant-cut diamond goldsmith's ring made of 18K white gold, as good as new — €770 - €1,500
• Lot 5029: Earrings: attractive, as good as new earrings with pink rubies and blue sapphires, “ladybugs” — €350 - €600
• Lot 5030: Ring: impressive ruby designer cocktail ring, ca. 3 ct rubies — €400 - €800
• Lot 5031: Brooch/pin: highly decorative gilt silver brooch with various colored stones — €600 - €800
• Lot 5032: Brooch/pin: highly decorative vintage brooch in the shape of a snake, set with sapphires and rubies, silver/gilt — €600 - €1,000
• Lot 5033: Ring: vintage goldsmith band ring from Wempe with ruby and brilliant-cut diamonds — €400 - €600
• Lot 5034: Earrings: delicate and as good as new ruby/brilliant-cut diamond stud earrings, 18K yellow gold, ca. 2.12 ct — €620 - €1,200
• Lot 5035: Brooch/pin: vintage ruby designer brooch, 18K yellow gold — €500 - €1,500
• Lot 5036: Ring: as good as new ruby/diamond goldsmith's ring in crossover design, 18K gold — €420 - €800
• Lot 5037: Ring: brilliant-cut diamond ring with beautiful half-carat diamond, goldsmith's work, 18K yellow gold — €350 - €1,000
• Lot 5038: Brooch/Pin: delicate antique bow brooch with diamond roses — €500 - €800
• Lot 5039: Ring: creative and elaborate goldsmith's work with diamond setting, unworn — €680 - €1,000
• Lot 5040: Ring: high-quality, as good as new designer goldsmith's ring, fancy brilliant-cut diamonds of ca. 1.52 ct — €670 - €1,500
• Lot 5041: Ring: wide, elegant, and very intricately crafted diamond/brilliant-cut diamond goldsmith's ring, ca. 0.81 ct, — €520 - €1,000
• Lot 5042: Ring: extra wide and unworn designer diamond goldsmith's ring, 18K gold — €530 - €900
• Lot 5043: Ring: designer goldsmith's ring with diamond/brilliant-cut diamond setting, 18K gold, unworn — €650 - €850
• Lot 5044: Ring: heavy, unusual, 3-piece brilliant-cut diamond goldsmith's ring, ca. 0.51 ct, unworn — €740 - €1,000
• Lot 5045: Earrings: Italian, two-tone brilliant-cut diamond hoop earrings in a crossover design, ca. 0.8 ct — €1,650 - €2,200
• Lot 5046: Ring: modern citrine/brilliant-cut diamond goldsmith's ring, approx. 1.95 ct, 18K white gold — €500 - €800
• Lot 5047: Ring: valuable, as good as new diamond ring with a yellow Fancy diamond and white brilliant-cut diamonds — €510 - €800
• Lot 5048: Pendant: brilliant-cut diamonds, goldsmith's work, ca. 1.05 ct — €650 - €1,000
• Lot 5049: Ring: decorative antique goldsmith's ring with emerald and old-cut diamonds — €400 - €1,000
• Lot 5050: Pendant: unworn emerald/brilliant-cut diamond goldsmith's pendant made of 18K yellow gold, ca. 1.12 ct — €670 - €900
• Lot 5051: Ring: white gold emerald/brilliant-cut diamond goldsmith's ring, ca. 1.32 ct, as good as new — €780 - €1,500
• Lot 5052: Pendant: large gold emerald/brilliant-cut diamond goldsmith's pendant in heart shape, ca. 3.25 ct — €700 - €1,500
• Lot 5053: Brooch/pin: antique, intricately crafted, filigree brooch with rose-cut diamonds — €500 - €1,500
• Lot 5054: Cufflinks: decorative, antique cufflinks with sapphire and Old European-cut diamonds — €600 - €1,000
• Lot 5055: Necklace: antique, delicate diamond necklace with matching brooch, ca. 1.4 ct, circa 1920 — €300 - €1,000
• Lot 5056: Brooch/Pin: very solid, decorative, and unusual platinum brooch with brilliant-cut diamonds — €700 - €1,200
• Lot 5057: Golden pin with an Old European-cut diamond, ca. 0.37 ct — €450 - €600
• Lot 5058: Golden vintage college ring, Stuckey & Speer, 10K, Alvin High School — €500 - €1,000
• Lot 5059: Bracelet: antique, gold, filigree bracelet with rose-cut diamonds and old-cut diamonds, Art Nouveau — €500 - €1,000
• Lot 5060: Brooch/pin: antique brooch with cameo, portrait of a woman, circa 1900 — €300 - €500
• Lot 5061: Pendant/brooch: handcrafted convertible antique diamond goldsmith brooch, France, probably around 1920 — €700 - €1,500
• Lot 5062: Particularly long antique centerpiece amber necklace made from rare “butterscotch amber” — €500 - €1,500
• Lot 5063: Bracelet: very well-preserved and elegant vintage diamond bracelet in 18K white gold, ca. 2.2 ct — €800 - €2,500
• Lot 5064: Ring: antique platinum ring set with rubies and diamonds — €400 - €800
• Lot 5065: Antique, intricately crafted brooch with emerald and rose-cut diamonds, probably around 1890 — €800 - €1,500
• Lot 5066: Delicate designer gold necklace with baroque pearl and tourmaline and diamond setting — €1,000 - €1,500
• Lot 5067: Earrings: elegant gold stud earrings with beautiful jade cabochons — €400 - €1,000
• Lot 5068: Brooch: Antique English gold brooch with agate and pearls, Victorian, around 1860, “Mourning Brooch” — €750 - €1,250
• Lot 5069: Ring: decorative vintage goldsmith's ring with beautiful dark red coral — €300 - €1,000
• Lot 5070: Ring: extremely attractive women's ring with brilliant-cut diamonds and a fine South Sea pearl, approx. 2.04 ct, — €1,550 - €3,000
• Lot 5071: Vintage brooch with coral, onyx, and brilliant-cut diamonds, with matching goldsmith's ring, 18K gold — €1,000 - €2,000
• Lot 5072: Rare, large, and vintage goldsmith's stud earrings with angel skin coral and brilliant-cut diamonds — €1,400 - €3,000
• Lot 5073: High-quality vintage goldsmith's pendant with large coral cabochon and diamond setting, ca. 0.7 ct — €1,200 - €2,000
• Lot 5074: Cufflinks in 14K white gold with old-cut diamonds — €600 - €800
• Lot 5075: Earrings: white gold vintage ear clips with pearls and brilliant-cut diamonds, ca. 0.5 ct of brilliant-cut diamonds — €400 - €800
• Lot 5076: Pendant: modern and unworn goldsmith's work with rich diamond setting, ca. 1.32 ct, 18K white gold — €740 - €1,300
• Lot 5077: Earrings: elegant white gold stud earrings with beautiful South Sea cultured pearls and brilliant-cut diamonds, unworn — €620 - €1,500
• Lot 5078: Ring: very attractive white gold brilliant-cut diamond goldsmith's ring, ca. 1.01 ct, unworn — €650 - €900
• Lot 5079: Ring: as good as new brilliant-cut diamond goldsmith's ring made of 18K white gold, ca. 0.93 ct — €650 - €1,000
• Lot 5080: Ring: interesting designer goldsmith's work in 18K white gold with diamond setting, unworn — €670 - €1,000
• Lot 5081: Ring: elegant and unusual diamond/brilliant-cut diamond ladies' ring, as good as new, 18K white gold, ca. 0.88 ct — €800 - €1,500
• Lot 5082: Ring: heavy white gold chain ring with black and white brilliant-cut diamonds, as good as new — €740 - €1,000
• Lot 5083: Earrings: white gold unworn stud earrings with black and white brilliant-cut diamonds, ca. 1.87 ct — €900 - €2,000
• Lot 5084: Necklace: delicate anchor chain with modern brilliant-cut diamond goldsmith's pendant, as good as new — €730 - €1,000
• Lot 5085: Earrings: modern white gold stud earrings with black and white brilliant-cut diamonds, unworn — €670 - €1,000
• Lot 5086: Earrings: modern goldsmith's work with black and white brilliant-cut diamonds, 0.89 ct — €1,100 - €2,000
• Lot 5087: Earrings: delicate white gold diamond earrings, as good as new and unworn, ca. 0.96 ct — €920 - €1,500
• Lot 5088: Ring: unworn and modern designer diamond goldsmith's ring, “Midnight Star”, ca. 1.64 ct — €850 - €2,000
• Lot 5089: Unusually wide and unworn white gold diamond goldsmith's ring, ca. 1.08 ct — €920 - €1,500
• Lot 5090: Necklace: high-quality spiral necklace with two-tone ball pendant, platinum and 18K gold, manufactured by Niessing — €900 - €1,500
• Lot 5091: Earrings: high-quality designer earringings made of gold and platinum with brilliant-cut diamond — €700 - €1,000
• Lot 5092: Brooch: High-quality brand jewelry, heart brooch C'est Laudier — €850 - €1,250
• Lot 5093: Necklace: sought-after designer jewelry by Niessing, two-tone piece, platinum, and 18K gold — €900 - €1,500
• Lot 5094: Bracelet: gold Pandora bracelet, 14K yellow gold, sought-after brand jewelry — €950 - €1,500
• Lot 5095: Delicate, modern Niessing necklace with brilliant-cut diamond pendant, delicate brilliant-cut diamond of ca. 0.18 ct — €1,200 - €2,000
• Lot 5096: Bracelet: high-quality designer gold bracelet by Chopard, Happy Diamond, brand jewelry — €1,200 - €2,000
• Lot 5097: Pocket watch/dress watch: elegant flat dress watch from the 1960s, hunting case pocket watch — €800 - €1,200
• Lot 5098: Earrings: vintage Lapponia earrings with lapis lazuli — €500 - €800
• Lot 5099: Cufflinks: high-quality Lapponia cufflinks, 14K gold — €1,000 - €1,500
• Lot 5100: Ring: modern goldsmith's ring with a beautiful sapphire, ca. 1.3 ct — €500 - €800
• Lot 5101: Ring: attractive, solidly crafted opal-brilliant gold ring, opal of approx. 9ct — €1,000 - €2,000
• Lot 5102: Earrings: exceptionally beautiful and formerly expensive opal/brilliant-cut diamond stud earrings, unworn — €700 - €1,200
• Lot 5103: Ring: delicate, modern, as good as new brilliant-cut diamond ring with a large 4.19 ct morganite — €750 - €1,250
• Lot 5104: Pendant: unworn brilliant-cut diamond/morganite pendant, 14K rose gold, as good as new — €850 - €1,250
• Lot 5105: Ring: formerly expensive, solid vintage band ring set with rubies and diamonds, 18K gold — €750 - €1,200
• Lot 5106: Pendant: modern, unworn, and very high-quality ruby/brilliant-cut diamond pendant, ca. 1.72 ct — €870 - €2,500
• Lot 5107: Brooch/Pin: high-quality designer goldsmith's brooch with colored stone cabochon, handmade, 18K yellow gold — €1,400 - €2,000
• Lot 5108: Earrings: highly decorative goldsmith's work set with rubies and brilliant-cut diamonds, approx. 6.14 ct, unworn — €1,150 - €2,500
• Lot 5109: Ring: beautiful ladies' cocktail ring with rich diamond setting of ca. 2.2 ct — €1,000 - €2,000
• Lot 5110: Ring: solid brilliant-cut diamond goldsmith's ring, as good as new, 18K yellow gold — €700 - €1,000
• Lot 5111: Ring: high-quality Chopard diamond ring, “Happy Diamonds” — €800 - €1,200
• Lot 5112: Pendant: gold brilliant-cut diamond/solitaire pendant, approx. 0.9 ct — €800 - €1,200
• Lot 5113: Ring: unusual rose gold brilliant-cut diamond goldsmith's ring, black and white diamonds, ca. 0.97 ct — €720 - €1,200
• Lot 5114: Ring: unusual designer diamond goldsmith's ring, “Midnight Star,” two-tone piece, as good as new — €770 - €1,200
• Lot 5115: Fine necklace with brilliant-cut diamond pendant/brooch, white and colored diamonds of ca. 1.59 ct, as good as new — €1,000 - €2,000
• Lot 5116: Rose gold, unusual brilliant-cut diamond cocktail ring, ca. 1.54 ct of diamonds in various colors — €1,000 - €2,000
• Lot 5117: Ring: delicate tanzanite/diamond goldsmith's ring, 18K white gold, tanzanite ca. 2.75 ct, as good as new — €840 - €1,500
• Lot 5118: Ring: unworn, valuable tanzanite goldsmith's ring, 18K white gold, tanzanite of ca. 2.33 ct — €820 - €1,500
• Lot 5119: Delicate, high-quality white gold stud earrings with heart-shaped tanzanites of very beautiful quality, approx. — €1,150 - €2,500
• Lot 5120: Unworn, very beautiful tanzanite/diamond goldsmith's ring, 18K gold, fine tanzanite ca. 3.29 ct — €950 - €2,500
• Lot 5121: Earrings: modern, unworn flower-shaped stud earrings with colored stones and diamonds, approx. — €500 - €1,000
• Lot 5122: Ring: exceptionally beautiful tanzanite/brilliant-cut diamond ring, fine tanzanite of ca. 1.88 ct, as good as new — €770 - €1,500
• Lot 5123: Delicate, modern white gold diamond necklace with high-quality tanzanite weighing ca. 3.71 ct. — €900 - €2,000
• Lot 5124: Stud earrings: delicate white gold tanzanite/diamond stud earrings, as good as new — €900 - €1,200
• Lot 5125: Ring: white gold, unworn, modern emerald/brilliant-cut diamond goldsmith's ring, emerald ca. 0.76 ct — €750 - €1,200
• Lot 5126: Ring: as good as new solitaire/brilliant-cut diamond goldsmith's ring, beautiful half-carat stone, TW/SI, GIA report — €1,000 - €2,000
• Lot 5127: Brooch/Pendant: unusually crafted emerald/diamond brooch of ca. 2.3 ct, can be worn as a pendant — €900 - €1,500
• Lot 5128: Brooch: high-quality vintage goldsmith's work “bow brooch”, richly set with diamonds, ca. 1.2 ct. — €1,200 - €2,000
• Lot 5129: Ring: white gold emerald/brilliant-cut diamond goldsmith's ring, fine emerald of ca. 1.07 ct, as good as new — €700 - €1,500
• Lot 5130: Elegant and delicate diamond goldsmith's ring, natural green diamond of ca. 0.21 ct, as good as new — €800 - €1,200
• Lot 5131: Ring: White gold, unworn, and modern emerald/brilliant-cut diamond goldsmith's ring, emerald ca. 0.88 ct — €870 - €1,200
• Lot 5132: Unworn diamond/brilliant-cut diamond goldsmith's ring made of 18K white gold, rose-cut diamond of ca. 0.56 ct — €880 - €1,200
• Lot 5133: Ring: modern and unworn solitaire ring, 1 ct fancy orange brown — €780 - €2,000
• Lot 5134: Ring: tasteful and modern designer goldsmith's ring with brilliant-cut diamonds, ca. 0.94 ct, unworn — €880 - €1,400
• Lot 5135: Ring: modern white gold diamond ring, goldsmith's ring, brown fancy diamond of ca. 1.3 ct, unworn — €950 - €2,000
• Lot 5136: Ring: modern white gold goldsmith's ring with fine emerald-cut diamonds, approx. 0.9 ct — €1,000 - €1,400
• Lot 5137: Ring: highly decorative and valuable diamond goldsmith's ring made of 18K white gold, ca. 1 ct — €840 - €1,200
• Lot 5138: Earrings: modern white gold hoop earrings with diamonds, approx. 0.76 ct — €1,000 - €1,400
• Lot 5139: Necklace: delicate platinum necklace with diamond heart, ca. 0.5 ct, original Tiffany & Co. — €1,050 - €1,500
• Lot 5140: Ring: valuable 950 platinum goldsmith's ring from Tiffany & Co. — €800 - €1,200
• Lot 5141: Ring: unusual, handcrafted cocktail ring with large blue topaz and numerous colored sapphires, ca. 51 ct — €1,500 - €4,500
• Lot 5142: Heavy, handcrafted cocktail ring with brilliant-cut diamonds and colored stones, including pastel-colored sapphires — €1,500 - €3,500
• Lot 5143: Modern, intricately crafted cocktail ring with brilliant-cut diamonds and colored sapphires, handmade in 18K white gold — €1,500 - €2,500
• Lot 5144: High-quality and unusual designer earrings made of 18K gold, with colored stones/diamonds, like new — €1,350 - €3,000
• Lot 5145: Bangle: luxurious, attractive Bvlgari designer bangle, “Tubogas,” brand-name jewelry, handmade from 18K gold — €2,800 - €5,000
• Lot 5146: Ring: heavy and extremely high-quality brilliant-cut diamond goldsmith's ring, handcrafted Italian piece, ca. 0.8ct — €1,500 - €2,500
• Lot 5147: Ring: unusual diamond goldsmith's ring, as good as new, ca. 0.93 ct of brilliant-cut diamonds — €960 - €2,000
• Lot 5148: Wristwatch: Cartier “21” ladies' watch, 28 mm, steel/gold — €1,000 - €1,500
• Lot 5149: Earrings: elegant, gold, brilliant-cut diamond hoop earrings, ca. 0.62 ct of fine brilliant-cut diamonds — €1,200 - €1,600
• Lot 5150: Wide, decorative brilliant-cut diamond ring for women, ca. 1.84 ct of yellowish/brown and white diamonds, — €1,050 - €2,000