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A round lab-grown diamond’s performance comes down almost entirely to how precisely its facets were angled during cutting. Even a fraction of a degree off can send light leaking out the sides instead of bouncing back up through the top, which is why cut grade carries so much weight in this shape specifically, more so than in shapes with a length-to-width ratio to consider. There’s no fancy silhouette to distract from a flaw in the proportions.
To give you an idea, at Loose Grown Diamond, a 0.27-carat, IGI-certified, Ideal cut, D color, VVS2 clarity round lab grown diamond costs around $108. With D already at the ceiling of the color scale, most of what shifts the price here comes down to carat size and how tightly the cut proportions were held during the cutting process, along with the clarity grade chosen.
VVS2 clarity keeps this stone reading completely clean at typical viewing distance, with any trace inclusions tucked away well below what the eye can detect, even under close inspection or a jeweler’s loupe. Paired with an Ideal cut grade, the stone throws light evenly across its entire face rather than dimming in patches or losing brilliance near the edges.
Because round diamonds have no corners or points to worry about, they’re one of the more forgiving shapes to set and wear day-to-day. A classic four-prong or six-prong mount shows off the full circle of brilliance, while a bezel setting trades a touch of sparkle for extra everyday protection against bumps and scratches from an active lifestyle.
If you’re after a specific carat weight, clarity grade, or cut quality, Loose Grown Diamond will source or cut a round diamond to match. Share your specifications, or a reference photo if you have one, and our team will keep you updated from start to finish, right through to the final setting.
D color represents the highest color grade, indicating a completely colorless diamond with exceptional purity and brilliance.
Yes, D color diamonds are the brightest and whitest, lacking any noticeable yellow or brown tint.
While more accessible than natural diamonds, D color lab grown diamonds are still considered premium and less common.
Lab diamonds may not hold value like mined ones, but D color and a quality cut can help maintain resale interest.
Yes, D color is the highest color grade, and emerald cuts show color easily, so D is ideal for a bright, colorless appearance.
They exhibit a “hall-of-mirrors” sparkle less brilliant than round, but very elegant and unique.
Popular sizes range from 1.00 to 3.00 carats, but larger options are available.
Yes, an emerald shape is suitable for engagement rings, offering a sophisticated, timeless look with its elegant step-cut facets and elongated design.
