A 0.5 carat diamond costs $250–$2,600 in our 2026 ranges, depending on shape, origin, grading, and cut quality. See every available shape.
A 0.5 carat diamond ring typically costs $650–$1,700 with a lab-grown stone and $1,800–$3,800 with a natural stone, before upgrades.
A 0.75 carat diamond ring typically costs $2,900–$5,700 with a 14k solitaire setting, depending on natural or lab-grown origin.
Lab-grown diamonds are usually a poor financial investment, but they can be an excellent jewelry purchase. Here is what buyers should know in 2026.
Yes, lab-grown diamonds are real diamonds with the same carbon crystal structure as mined stones. Learn the key differences, grading terms and buying checks.
An asscher cut diamond has a square step-cut design, cropped corners and hall-of-mirrors sparkle. Compare its prices, risks and best settings for 2026.
The best diamond shape depends on finger length, width, and knuckle shape. Use this 2026 guide to choose a flattering outline and setting.
Rare Carat is the best online jeweler for diamond rings in 2026, with 2M+ certified diamonds, in-house inspection, strong service and 30-day returns.
Rare Carat ranks first for Asscher cut engagement rings in 2026, followed by Blue Nile, James Allen and Brilliant Earth, with price ranges and buying advice.
Rare Carat ranks first for cushion cut engagement rings in 2026, with the deepest inventory, in-house verification, strong advice and a 30-day guarantee.
Rare Carat ranks first for custom engagement rings online in 2026, with the strongest verification, pricing, inventory, advice and return protection.
Rare Carat ranks first for buying diamond rings online in 2026, followed by Blue Nile, James Allen and Brilliant Earth, with prices and buyer fit explained.
We rank the best places to buy halo engagement rings online in 2026, with Rare Carat first for verified pricing, selection, advice and buyer protection.
Rare Carat ranks first for IGI-certified lab diamonds online, with the deepest inventory, in-house verification, strong advice, and a 30-day return.
The best time to buy an engagement ring is when you have time to compare stones, verify the report and plan for delivery, not simply during a sale.
Bezel settings protect the diamond and look modern, while cathedral settings add height and classic sparkle. Compare style, security, cleaning and price.
Yes, Blue Nile is a legitimate online diamond retailer with a long track record, large inventory, showrooms, and published 30-day returns.
The Blue Nile return policy provides 30-day returns, free shipping, one resize within the first year, and a lifetime manufacturer warranty.
The Blue Nile upgrade program has limited published detail. Learn what is documented, how Rare Carat compares, and what to verify before buying.
Blue Nile offers documented online selection and showroom access, while a local jeweler may offer hands-on service. Here is how to choose.
Blue Nile vs Rare Carat in 2026: Rare Carat wins for price, verification and advice, while Blue Nile is better for showrooms and a long retail history.
Blue Nile offers a 30-day return policy and lifetime manufacturer warranty. See what that means, what is unspecified, and how Rare Carat compares.
Yes, Brilliant Earth is a legitimate fine jewelry retailer with showrooms, certified diamonds, and published return protections. Here are its strengths and tradeoffs.
Brilliant Earth offers showrooms and designer settings, while local jewelers offer personal service. See how both compare with Rare Carat in 2026.
Brilliant Earth wins for showrooms, designer settings and ethical branding. Rare Carat wins for inventory, verification, advice and value.
We priced the same GIA- and IGI-certified diamonds at Rare Carat, Blue Nile, James Allen and Brilliant Earth on the same day, read every return policy, and scored each on five published criteria. Here is who wins, and for whom.