How big is a 4-carat diamond?

The average 4-carat round brilliant diamond weighs 0.8 grams and measures around 10.1 mm in diameter. All 4-carat diamonds weigh the same. However, even at the same weight, more elongated cuts, such as oval, pear, or marquise, may appear larger than a round brilliant. Asscher and cushion cut stones look smaller, as most of the… Continue reading How big is a 4-carat diamond?

The average 4-carat round brilliant diamond weighs 0.8 grams and measures around 10.1 mm in diameter. All 4-carat diamonds weigh the same. However, even at the same weight, more elongated cuts, such as oval, pear, or marquise, may appear larger than a round brilliant. Asscher and cushion cut stones look smaller, as most of the weight is beneath the diamond’s girdle.

By Peter Norman

Peter Norman is one of Los Angeles’ most celebrated wedding jewelers, with his custom-made engagement rings and wedding bands taking center place in thousands of weddings over the last 40 years. Each engagement ring is custom designed, built to order, and can suit any budget: from the simply elegant 1-carat solitaires to the exquisite pieces fit for (and sometimes purchased by) royalty.