Lab-Grown Diamond Engagement Rings

Yes. It is the same material with the same crystal structure as a mined diamond. It differs in origin, not in substance. Simulants such as cubic zirconia and moissanite are different materials and are not diamond.

They are two ways of growing the crystal. HPHT applies high pressure and high temperature to grow from a seed; CVD deposits carbon from a gas layer by layer at lower pressure. Both produce diamond, and the method is stated where it is known.

From the individual listing. Grading is a property of one stone, so it belongs on that stone's page rather than in a description of the whole collection. Check whether a report is provided for the specific stone, and ask us if this is unclear.

Natural and laboratory-grown diamonds share the same crystal structure and hardness. The condition and features of the individual stone, its setting and how it is worn also affect the risk of damage.