3 Carat Heart Shaped Lab-Grown Diamonds
Are you looking to buy a lab-grown loose diamond or engagement ring? Select from the thousands of certified diamonds in our collection. Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds — available at 50–70% less than the cost of a naturally mined stone.
3 Carat Heart Shaped Lab-Grown Diamond
A 3-carat heart shaped diamond is the ultimate symbol of love and devotion—ideal for romantic engagement rings or meaningful jewellery pieces. This distinctive cut combines brilliance with sentimental charm, offering a beautiful blend of sparkle and personal expression. Its unique silhouette ensures it stands out with elegance and emotion.
Why Choose a Lab-Grown Diamond?
Lab-grown diamonds are genuine diamonds, formed using innovative technology that simulates the natural growth process. They possess the same physical, chemical, and optical properties as mined diamonds—making them indistinguishable without specialist equipment. Lab-created diamonds are usually 30% to 50% more affordable than natural ones, enabling you to invest in a larger or higher-quality stone at the same budget.
At RÊVE Diamonds, all our lab-grown diamonds are independently certified by respected institutions like IGI or GIA, ensuring full traceability and confidence in every purchase.
Need Assistance?
Call us on 020 3585 2295 or chat with our diamond experts to find your perfect 3 carat heart shaped lab-grown diamond today.
Frequently Asked Questions
How much does a 3-carat heart shaped lab-grown diamond cost?
Prices range from £2,500 to £20,000 depending on cut, colour, clarity, and craftsmanship.
What does a 3-carat heart shaped lab-grown diamond weigh?
A 3-carat diamond weighs approximately 0.6 grams or 600 milligrams.
What size is a 3-carat heart shaped lab-grown diamond?
Heart shaped diamonds have a rounded base and pointed tip. Typical size range:
Length: 9.0 mm – 11.5 mm (avg. 10.3 mm)
Width: 9.0 mm – 11.0 mm (avg. 10.0 mm)
Depth: 5.0 mm – 7.2 mm (avg. 6.2 mm)
