FAQ

General


Yes, absolutely. Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds. They have the same sparkle, brilliance, and hardness—only their origin is different.


Yes. Every Marquise Diamond is certified by internationally recognized gemological labs, ensuring authenticity, quality, and complete peace of mind.


Lab-grown diamonds typically cost 40–60% less than mined diamonds of similar quality, making luxury more accessible without compromising beauty.


Of course! Our “Design With Us” service allows you to upload your sketches or ideas, and our designers will craft a piece that reflects your vision perfectly.


We offer easy exchanges, certified buybacks, and a customer-first approach, so you can shop with total confidence and flexibility.