Carat denotes the weight of a diamond, not the size. Tiffany measures diamonds to 1/1000th of a carat; one carat equals .20 grams. Tiffany diamonds are always cut to maximize beauty, not carat weight.

Flawlessly engineered, the six-prong setting virtually disappears and allows the brilliant diamond to float above the warm 18k yellow gold band and into the light, resulting in a ring so beautiful it has been a symbol of the world’s greatest love stories for over 130 years.

Explore our collection of 2 carat diamond rings, designed with the precision and expert craftsmanship that makes Tiffany & Co. diamonds exceptional. Our 2 carat engagement rings are offered in an array of cuts to complement the beauty of each stone.

If you favor timeless designs, explore our 1 carat rings with a cushion cut or round brilliant cut. If you are drawn to a more romantic look, consider going for a ring with a heart shape or pear shape. We also offer our 1 carat engagement rings in …

Style this diamond ring with other Tiffany rings for a striking statement, or simply wear it on its own. Order engraved items by 2/6, 5:30PM EST for delivery before Valentine's Day. 18k gold with round brilliant diamonds

Tiffany True® Engagement Ring with a Cushion-cut Yellow Diamond and an 18k Yellow Gold Diamond Band

As the leader in diamond traceability, all our rough diamonds are sourced either directly from a known mine or from a supplier with a limited number of known mines; and we are the first global luxury jeweler to share with its clients the countries where all newly sourced, individually registered diamonds are crafted.

As the leader in diamond traceability, all our rough diamonds are sourced either directly from a known mine or from a supplier with a limited number of known mines; and we are the first global luxury jeweler to share with its clients the countries where all newly sourced, individually registered diamonds are crafted.

Bold diamond rings, sleek bands and must-have stacking rings—make a striking statement with our superbly crafted April birthstone rings for women and men.

Explore classic and modern diamond earrings for every occasion. Discover April birthstone earrings, studs and hoops in silver and 18k gold.