Blue Nile vs Rare Carat:
Compare before you buy

Yes, often meaningfully so on the same GIA or IGI certified diamond specs. The fastest way to know about a specific diamond: paste any certificate number into Rare Carat's price-check tool. You'll see Rare Carat's exact price for that diamond and can compare it to any other retailer's quote.

Three reasons most shoppers cite: a larger diamond selection (100,000+ GIA and IGI certified), an AI price-check tool that lets you verify any diamond's price before you buy, and free 24/7 access to GIA-graduate gemologists who don't work on commission. Combined with a 5.0 stars Trustpilot rating from 3,760+ reviews & 5.0 stars Google ratings from 4000+ reviews, it's a more transparent way to buy.

Every diamond on Rare Carat is GIA or IGI certified, the strictest independent grading standards in the industry. You see the full certificate before you buy, including cut, color, clarity, carat, and proportions. No house-grading, no proprietary scales.

No. Free shipping, free returns, free resizing, and full insurance in transit are included on every order with no add-ons at checkout. What you see is what you pay.

Yes. Start with a diamond and choose a setting, or start with a setting and choose a diamond. The full process is online with free GIA-graduate gemologist support at every step if you want a second opinion before you commit.

Yes, Rare Carat offers wedding bands, eternity rings, and fine jewelry. The widest selection is in engagement rings and diamonds.

No, and that's exactly how Rare Carat keeps prices lower than retailers that operate physical locations. Order any ring with free shipping, see it in person at home, and return it free within 30 days if it isn't the one. Free resizing included.

Yes. 5.0 stars on Trustpilot from 3,760+ & 4000+ on Google verified reviews, an A+ Better Business Bureau rating, over 100,000 customers since launch, and every order fully insured in transit. Every diamond comes with an independent GIA or IGI certificate you can verify yourself.

Yes, Rare Carat backs every ring with a lifetime warranty on craftsmanship and offers a diamond upgrade program.

Yes. Rare Carat offers 0% APR plans for qualifying customers, plus Buy Now, Pay Later through Affirm, PayPal, and Afterpay. Multiple options to fit different budgets; see what you qualify for at checkout.

Most orders ship within 1-2 business days and arrive 2-5 business days after that, with free standard shipping. Expedited and overnight options available at checkout on most in-stock rings.