But certain carat weight thresholds can cause a big jump in cost — for example, a 1-carat diamond might cost much more than a 0.9-carat diamond, despite the nearly indiscernible difference in size.

This diamond guide explains how the 4 Cs of diamonds — cut, color, clarity, and carat — determine a diamond's quality grade. Learn what to look for when choosing the perfect diamond.

With our lab-grown diamonds, you can get the undeniable elegance of a 2 carat diamond without the price tag. We offer exceptional 2 carat diamonds with the brilliance and clarity of natural diamonds …

Check out our 3 stone oval diamond ring selection for the very best in unique or custom, handmade pieces from our engagement rings shops.

Certified Oval-Cut Diamond Solitaire Engagement Ring 1/2 ct tw Platinum (VS2/F) Online Only $2,700.00 Compare

Shop engagement rings for women at Helzberg. Discover engagement rings in different styles, such as solitaire, halo, and more, in all metals and shapes.

Lab Grown Diamond Heart Halo Cluster Ring (2 ct. t.w.) in Sterling Silver or 14K Gold-Plated Sterling Silver