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

Of art deco style, centering a cushion-shaped Sri Lanka <a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">sapphire</a>, accented by round diamonds.<ul><li><a href="https://www.sothebys.com/en/buy/luxury/jewelry/fine-jewelry/sapphire" rel="noopener noreferrer" target="_blank">Sapphire</a> weighs 10.15 carats</li><li>Round diamonds weighing a total of approximately 1.50 carats</li><li>Platinum</li><li>Size 7¾</li><li>Accompanied by one Sotheby's box</li><li>Accompanied by a GRS report no. GRS 2011-112290, dated 23 November 2011, stating the 10.15 carat sapphire is natural, vivid blue (GRS type "Royal Blue") and originated from Sri Lanka with heat treatment</li><li>Accompanied by an AGL report no. CS52145, dated 07 November 2012, stating the 10.15 carat sapphire is natural and originated from Sri Lanka with heat treatment</li></ul>

Engagement Rings

Engagement Rings

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