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Diamonds by Carat Size

Hand displaying diamonds in 1 carat, 2 carat, and 3 carat sizes — available in both lab grown and natural diamonds by SAMAHand displaying diamonds in 1 carat, 2 carat, and 3 carat sizes — available in both lab grown and natural diamonds by SAMA

Diamonds by Carat Size

Lab Grown Diamonds | Natural Diamonds

Choose your perfect size — whether 1 ct, 2 ct, or 3 ct, each diamond brings its own brilliance. Explore both natural and lab grown options to find the carat weight that matches your style and love story

Your Invitation to Shine

SAMA diamond rings — timeless solitaires and dazzling halos in natural and lab diamonds, crafted with brilliance and ethical sourcing.SAMA diamond rings — timeless solitaires and dazzling halos in natural and lab diamonds, crafted with brilliance and ethical sourcing.

Your Invitation to Shine

Diamond offers — save 20% on your first SAMA purchase

Sign up for 20% off your first SAMA engagement ring purchaseSign up today and receive 20% off your first diamond jewelry purchase of $1,000 or more.

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How Do You Want to Start?

Design your diamond ring — start with a setting or a natural or lab grown diamond

Begin your journey with a natural or lab grown diamond, or start with a classic setting

Rock Your Way: Custom Designs

Diamond Education

Learn how to buy natural and lab grown diamonds, compare options, and care for jewelry with SAMA’s expert guides

Master the essentials of diamonds —
cuts, carats, clarity, and care

Natural & Lab Grown Diamond FAQs

What is the difference between natural and lab grown diamonds?

Natural diamonds form over billions of years deep within the earth, while lab grown diamonds are created with advanced technology in modern labs. Both are real diamonds and can be IGI or GIA certified. Compare options in our Lab Diamond Guide and Natural Diamond Guide.

What does conflict-free mean when buying diamonds?

Conflict-free diamonds are responsibly sourced and verified to be free from association with violence or unethical practices. At SAMA, both natural and lab grown diamonds are ethically sourced and certified. Learn more in our Natural Diamond Guide.

Which should I choose: natural or lab grown diamonds?

Natural diamonds are rare and timeless; lab grown diamonds offer a sustainable, budget-friendly alternative with the same beauty. See what fits your priorities in our Lab Diamond Guide.

How do I know if a diamond is certified?

Every SAMA diamond is certified by leading labs such as IGI or GIA, verifying cut, carat, clarity, and color. Explore certification details in our Natural Diamond Guide or Lab Diamond Guide.

Are SAMA diamonds certified by IGI or GIA?

Yes, Every SAMA diamond — natural or lab grown — is certified by leading institutions such as IGI or GIA. Certification confirms cut, carat, clarity, and color, ensuring your diamond’s authenticity and lasting value. Learn more in our Diamond Buying Guide.

Looking for more answers? Visit our full FAQ page.