Guides, stories and insights on diamonds and fine jewellery.
Lab-Grown Diamond Rings: A Complete Buying Guide A lab-grown diamond ring can look just like the ring you had in mind, but there are quite a few details to sort through before you buy one. Carat size is only part of it. Cut, color, clarity, and shape all play a part in how the diamond […]
Yes. Lab-grown diamonds pass a diamond tester. A standard tester measures how well a stone conducts heat, and because a lab-grown diamond is made of the same carbon as a mined diamond, it conducts heat the same way and reads as diamond. A tester confirms a stone is a diamond. It does not, and cannot, […]
A 3 carat lab-grown diamond typically costs roughly $1,800 to $5,000 for the loose stone as a market range in early 2026, with a finished ring often landing around $2,500 to $7,000 once the setting is added. The price moves within that range based on cut, color, clarity, and shape. A 3 carat lab-grown diamond […]
A 2 carat lab-grown diamond typically costs roughly $900 to $2,500 for the loose stone as a market range in early 2026, with a finished ring often landing around $1,500 to $4,500 once the setting is added. The price swings within that range based on cut, color, clarity, and shape. A 2 carat lab-grown diamond […]
Growing a lab-grown diamond takes roughly a few weeks. A one-carat stone grows in about two to four weeks, and larger stones take longer. Cutting and polishing the rough into a finished diamond adds several more days. Compare that to a mined diamond, which forms deep in the earth over a period measured in millions […]
A 4 carat lab-grown diamond typically costs roughly $3,000 to $8,000 for the loose stone as a market range in early 2026, with a finished ring often landing around $4,000 to $11,000 once the setting is added. The price moves within that range based on cut, color, clarity, and shape. A 4 carat lab-grown diamond […]
A 5 carat lab-grown diamond typically costs roughly $4,500 to $12,000 for the loose stone as a market range in early 2026, with a finished ring often landing around $6,000 to $16,000 once the setting is added. The price moves within that range based on cut, color, clarity, and shape. A 5 carat lab-grown diamond […]
No. Moissanite is not a lab-grown diamond. Moissanite is silicon carbide, a different material made to look like a diamond. A lab-grown diamond is real diamond, made of carbon, with the same hardness and sparkle as a mined diamond. Both are often grown in a lab, which is where the mix-up starts, but only one […]
A lab-grown diamond usually costs far less than a mined diamond of the same size and grade, often a fraction of the price per carat. As a rough market guide in early 2026, a one-carat lab-grown diamond commonly runs a few hundred to just over a thousand dollars for the loose stone, with price climbing […]