Engagement Rings
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Van Cleef & Arpels Romance solitaire ring in platinium and diamonds
17,500 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 26,700 €
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Cartier 1895 solitaire ring in platinium and diamond
19,800 €
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Boucheron Ava ring in white gold and diamonds
8,750 €
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Chaumet Joséphine Éclat Floral ring in white gold and diamonds
3,850 €
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Bulgari ring in platinium and diamonds (1.57 ct.)
15,900 €
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Boucheron setting solitaire ring in platinium and diamond 5,01 carat
32,500 €
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Bulgari solitaire ring in platinium and diamonds
14,300 €
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De Beers DB Classic ring in platinium and diamonds
3,450 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 8,350 €
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Piaget Rose ring in platinium and diamonds
4,450 €
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Cartier Ballerine solitaire ring in platinium and diamonds
5,650 €
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Cartier solitaire ring in platinium and diamonds
69,800 €
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Vintage ring in platinium and diamonds
26,800 €
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Vintage ring in yellow gold and diamonds
59,800 €
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Vintage solitaire ring in yellow gold and diamonds
3,150 €
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Cartier ring in yellow gold and diamonds
17,500 €
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Vintage signet ring in yellow gold and diamonds
43,800 €
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Poiray signet ring in yellow gold, white gold and diamond
20,800 €
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Mellerio ring in yellow gold, diamond and sapphires
12,800 €
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Pomellato ring in pink gold, white gold and diamonds
3,750 €
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Cartier Etincelle ring in pink gold and diamonds
3,480 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,200 €
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Cartier Ellipse ring in yellow gold and diamond
2,550 €
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Cartier 1895 solitaire ring in rose gold and diamonds
4,650 €
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Cartier 1895 solitaire ring in yellow gold and diamond
7,850 €
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Chaumet Bee my Love solitaire ring in pink gold and diamond
2,250 €
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Vintage ring in platinium, aquamarine and diamonds
2,580 €
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Tiffany & Co Victoria ring in platinium and diamonds
1,580 €
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Tiffany & Co solitaire ring in platinium and diamonds
1,050 €
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Vintage 1990's ring in platinium, ruby and diamonds
2,150 €
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Tiffany & Co Etoile solitaire ring in platinium and diamond (0,21 carat)
1,350 €
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Messika Joy ring in white gold and diamonds
3,250 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,150 €
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Chanel Ultra ring in white gold, ceramic and diamond
2,450 €
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Cartier Love solitaire ring in white gold and diamond
5,450 €
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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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Tiffany & Co Setting solitaire ring in platinium and diamond
2,250 €
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De Beers ring in white gold and diamonds
2,250 €
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Fred Lovelight ring in platinium and diamonds (0,31 carat)
3,150 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 8,250 €
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Chanel Ultra solitaire ring in white gold, ceramic and diamond
3,150 €
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Van Cleef & Arpels ring in white gold and diamonds
10,800 €
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Tiffany & Co solitaire ring in platinium and diamond
1,450 €
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Fred Lovelight ring in platinium and diamonds
3,650 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 7,600 €
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Messika Joy ring in white gold and diamonds
1,580 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 2,990 €
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Van Cleef & Arpels Romance ring in platinium and diamonds
3,480 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,000 €
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Cartier Etincelle ring in platinum and diamonds
2,250 €
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Cartier 1895 solitaire ring in platinum and 88 Fortune Facets diamond
2,250 €
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Solitaire ring in white gold and diamond (0,50 carat)
1,480 €
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Cartier Destinée solitaire ring in platinum and diamonds
21,800 €
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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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Boucheron Ava ring in white gold and diamonds
1,450 €
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Cartier 1895 solitaire ring in platinium and diamonds
11,800 €
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Cartier 1895 solitaire ring in platinum and diamond
13,800 €
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Cartier Ballerine ring in platinum and diamonds
2,450 €
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Messika Joy ring in white gold and diamonds
1,580 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 2,650 €
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Cartier Etincelle ring in platinium and diamonds
2,980 €
Retail price recorded on the basis of similar items in 2026 Retail Price: 6,900 €
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Cartier 1895 solitaire ring in platinum and diamonds
3,150 €
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Solitaire ring in white gold and in diamond (0.72 carat)
2,650 €
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Cartier 1895 solitaire ring in platinium and diamonds
2,250 €
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Tiffany & Co Soleste ring in platinum and diamonds
9,250 €
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Tiffany & Co Victoria ring in platinium and diamonds
1,580 €
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Boucheron Ava ring in white gold and diamonds
3,450 €
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Tasaki ring in platinium, cultured pearl and diamonds
1,150 €
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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