Browse diamond engagement rings,&nbsp;including one-of-a-kind pieces. From branded rings by Cartier&nbsp;and&nbsp;Van Cleef &amp; Arpels to vintage sapphire engagement&nbsp;rings&nbsp;and custom creations, our selection offers a range of ideas for life’s most important ring. <a href="https://www.sothebys.com/en/buy/luxury/jewelry/ring" rel="noopener noreferrer" target="_blank">All Rings</a>&nbsp;|&nbsp;<a href="https://www.sothebys.com/en/buy/luxury/jewelry" rel="noopener noreferrer" target="_blank">All Jewelry</a>

Engagement Rings

<ul><li>Sertie d'un saphir ovale pesant 20.01 carats dans un entourage de diamants taille brillant</li><li>Poinçon de maître, poinçon français pour l'or 18K (750°/00)</li><li>Tour de doigt 52, poids brut 11.75 g</li><li>Accompagnée d'un certificat GCI no. 2206CDS7157</li></ul> <ul><li>Set with an oval sapphire weighing 20.01 carats within a surrounding of brilliant-cut diamonds</li><li>Maker's mark, French assay mark for 18 carat gold </li><li>Size 52, gross weight 11.75 grams</li><li>Accompanied by GCI report no. 2206CDS7157</li></ul>

Bague saphir et diamants | Sapphire and diamond ring

Centering a pear-cut diamond, accented by 23 calibré-cut sapphires and 59 round brilliant-cut diamonds.<ul><li>Pear-cut diamond weighing 2.09 carats</li><li>Sapphires weighing a total of approximately 0.65 carat</li><li>Round brilliant-cut diamonds weighing a total of approximately 0.25 carat</li><li>Platinum</li><li>Stamped with carat weight</li><li>Total weight 6.58 grams</li><li>Size 6½</li><li>Accompanied by GIA report no. 1226865748, dated 23 May 2023, stating that the 2.09 carat diamond is H color and SI1 clarity</li></ul>

Platinum, 2.09ct Pear Cut Diamond, Sapphire and Diamond Ring

The ring centering an asscher cut diamond complemented by a halo of French cut sapphires, the shoulders of the ring each set with a tapered baguette diamond, the top and shoulders of the ring featuring a milgrain finish.<ul><li>Central diamond weighing approximately 4.10 carats</li><li>Platinum</li><li>Accompanied by GIA report</li><li>Ring will be sized upon order</li></ul>

Platinum, Diamond and Sapphire Ring

Featuring a marquise-cut 2.15 carat cornflower blue sapphire mounted in a pavé-set brilliant white diamond and 18 karat white gold setting.<ul><li>Sapphire weighing a total of approximately 2.15 carats</li><li>Diamonds weighing a total of approximately 0.65 carats</li><li>18 karat white gold</li><li>Size 6</li></ul> This piece is part of Sotheby's&nbsp;<a href="https://www.sothebys.com/en/buy/brilliant-and-black" rel="noopener noreferrer" target="_blank">Brilliant and Black: Age of Enlightenment</a>, the selling exhibition dedicated to showcasing the extraordinary skill, imagination and craftsmanship of Black jewelry designers.

Engagement Rings

Engagement Rings

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Angie Marei, Marei New York