Diamond Selection
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Tiffany & Co Jazz necklace in platinium and diamonds
2,150 €
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Vintage 1930's necklace in platinium and diamonds
3,250 €
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Solitaire ring in white gold and diamond (0,50 carat)
1,480 €
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Necklace in pink gold and diamonds 0,67 carat
1,650 €
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Tiffany & Co Victoria sleeve ring in pink gold and diamonds
16,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 24,500 €
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Bulgari necklace in yellow gold, cultured pearls and diamonds
13,800 €
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Cartier ring in yellow gold and diamond
5,250 €
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Cartier Ellipse ring in yellow gold and diamond
2,550 €
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Half-flexible wedding ring in rose gold and diamonds (2,76 carat)
5,650 €
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Tiffany & Co Victoria ring in platinium and diamonds
1,580 €
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Van Cleef & Arpels Cosmos brooch-pendant in white gold, diamonds and onyx
9,750 €
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Chanel Ultra ring in white gold, ceramic and diamond
2,450 €
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Boucheron ring in white gold and diamonds
3,750 €
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Cartier ring in white gold and diamonds
24,800 €
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Boucheron setting solitaire ring in platinium and diamond 5,01 carat
32,500 €
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Dior Rose Dior Bagatelle ring in white gold and diamonds
7,950 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 12,500 €
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Cartier Love pavé mini ring in white gold and diamonds
3,780 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 5,800 €
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Vintage ring in white gold and diamonds
4,980 €
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Boucheron Ava ring in white gold and diamonds
1,450 €
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Cartier 1895 solitaire ring in platinum and 88 Fortune Facets diamond
2,250 €
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Cartier Destinée solitaire ring in platinum and diamonds
21,800 €
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Cartier Etincelle ring in platinum and diamonds
2,250 €
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Cartier pendant in white gold and diamonds
4,950 €
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Messika wedding ring in white gold and diamonds
5,750 €
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Vintage ring in platinum and diamonds
3,150 €
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Tiffany & Co Forever wedding ring in platinium and diamonds
6,250 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 13,100 €
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Tiffany & Co Soleste ring in platinum and diamonds
4,250 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 3,120 €
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Cartier 1895 solitaire ring in yellow gold and diamond
7,850 €
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Bulgari Astrale large model necklace in yellow gold, diamonds and colored stones, in tourmaline and in amethyst
34,500 €
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Dior Bois de Rose bracelet in yellow gold and diamonds
17,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 37,500 €
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Cartier 1980s ring in yellow gold and diamonds
4,980 €
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Bulgari Serpenti Viper semi-rigid ring in white gold and diamonds
28,800 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 48,200 €
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Half-flexible wedding ring in white gold and diamonds (2,76 carat)
5,650 €
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Tiffany & Co Soleste necklace in platinum and diamonds
See price
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Hermès Collier de chien bracelet in pink gold and diamonds
12,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 19,600 €
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Open Messika Théa ring in white gold and diamonds
3,250 €
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Flexible Pomellato ring in white gold and diamonds
8,450 €
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Tiffany & Co Soleste wedding ring in platinum and diamonds
2,150 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 3,650 €
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Poiray signet ring in yellow gold, white gold and diamond
20,800 €
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Fred Lovelight ring in platinium and diamonds
2,650 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 5,800 €
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Repossi Berbère ring in pink gold and diamonds
4,980 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 11,950 €
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Tiffany & Co Victoria necklace in platinum and diamonds
See price
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Half-flexible wedding ring in rose gold and diamonds (2,88 carat)
5,650 €
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Vintage brooch-pendant in yellow gold, 14 carats yellow gold and cultured pearland in diamonds
2,750 €
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Vintage 1960's boule ring in platinium, white gold and diamonds
4,650 €
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Vintage pendant in white gold and diamonds
8,150 €
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Bulgari Divas' Dream ring in pink gold and diamonds
9,650 €
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Cartier Love pavé bracelet in yellow gold and diamonds
33,800 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 48,900 €
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De Grisogono ring in pink gold and Icy diamonds
19,800 €
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Messika wedding ring in white gold and diamonds
1,650 €
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Tiffany & Co Victoria bracelet in platinium, white gold and diamonds
15,800 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 26,500 €
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Van Cleef & Arpels Fleurette necklace in white gold and diamonds
6,450 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 11,300 €
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Boucheron Ava necklace in white gold and diamonds
3,580 €
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Cartier Love 10 diamants bracelet in white gold and diamonds
13,800 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 20,200 €
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Cartier Love pavé ring in yellow gold and diamonds
5,480 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 8,000 €
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Cartier Le Baiser du Dragon necklace in white gold and diamondsand in diamonds
5,450 €
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Cartier Trinity earrings in yellow gold and diamonds
10,800 €
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Chanel Comètes earrings in yellow gold and diamonds
4,580 €
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Tiffany & Co bracelet in platinium, white gold and diamonds
5,850 €
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Pomellato Iconica ring in white gold and diamonds
3,850 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,500 €
Collector Square offers you pre-loved luxury jewellery authenticated and rigorously selected for their condition and desirability. Rings, bracelets, pendants, necklaces, earrings, brooches and cufflinks for men and women are available on collectorsquare.com in a wide range of materials: yellow gold, white gold, rose gold, diamonds, rubies, sapphires, emeralds, lapis lazuli, mother-of-pearl...
Take a look at our wedding selection too, with more than 200 engagement and wedding rings by Cartier, Tiffany & Co, Van Cleef & Arpels, Boucheron, Fred, Bulgari, Chaumet, Messika, Mauboussin...
In addition, Collector Square has imagined a timeless collection of diamond jewellery designed in Paris and entirely handcrafted by jewellers in Milan; Atelier Collector Square. These rings, bracelets, necklaces and earrings with sleek lines can be worn alone or paired with your signed or vintage jewellery.
Collector Square has its own jewellery workshop which, depending on the piece, offers polishing, cleaning and resizing services.
See the entire selection of jewellery on collectorsquare.com, and ensure you never miss out on any previews by signing up for our newsletter.
Each piece of jewellery sold by Collector Square is shipped worldwide within 24 hours with its certificate of authenticity. You can also sell your luxury jewellery on consignment or for immediate purchase with Collector Square. To do that, please send an authentication request directly via the website. Our specialists will get back to you within 48 hours at the latest.
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