Flawless carries a large inventory of natural and lab-grown diamonds in 3.5 carat and other sizes. Our experts provide precise evaluations and tailored recommendations to help you select the diamond that meets your exact standards.

A well-cut 3.5ct diamond ring measures around 9.6-9.9 mm, which offers substantial finger coverage and strong light performance. At this size, cut quality becomes critical to maintain brightness and avoid depth-related dullness. A secure six-prong or low-profile setting is recommended for daily wear due to the stone’s weight. Because it sits just below the major price jump at 4 carats, a diamond ring 3.5 carat provides a large face-up appearance with better cost efficiency.
For a 3.5 ct diamond ring, quality grades have a direct impact on visible performance. Cut should be Excellent/Ideal to ensure maximum light return and prevent windowing or leakage. Because inclusions are easier to detect at this size, VS1–VS2 clarity is typically the minimum range for a clean face-up appearance. Colour becomes more noticeable as well; most buyers opt for G-H, with F-G preferred for high transparency. At Flawless, we have the best available 3.5 carat lab grown diamond rings.
3.5 Carat Diamond Ring- FAQ's
3.5-carat round diamonds range from $15,486 to $40,468. Prices vary based on factors like cut quality, clarity, colour, and overall diamond grading. Flawless provides a broad selection that allows buyers to find a high-quality diamond that fits both their preferences and budget
Secure settings such as 6-prong, bezel, or low-profile solitaire mounts are ideal to support the weight and protect the stone from damage.
On a size 6 finger, a 3.5ct round diamond covers roughly 65–75% of the finger, offering a prominent yet elegant presence without overwhelming the hand.