Education

A Luma engagement ring on hand in natural light, Luma Jewellery

How much should you spend on an engagement ring...

The honest answer is what you can comfortably afford. UK average is 2,000 to 4,000 pounds. Lab grown stretches the budget further.

How much should you spend on an engagement ring...

The honest answer is what you can comfortably afford. UK average is 2,000 to 4,000 pounds. Lab grown stretches the budget further.

Two lab grown diamonds side by side on black velvet, visually identical, Luma Jewellery

Why are lab grown diamonds cheaper than natural...

Their supply chain is shorter and more efficient. A lab grown diamond often costs less than half a mined equivalent for the same size and quality.

Why are lab grown diamonds cheaper than natural...

Their supply chain is shorter and more efficient. A lab grown diamond often costs less than half a mined equivalent for the same size and quality.

A jeweller's tray of certified lab grown diamonds, Luma Jewellery

Are lab grown diamonds certified, and what is a...

Yes. Lab grown diamonds are certified by the same independent gem labs (IGI and GIA) that grade natural diamonds, on the same four Cs.

Are lab grown diamonds certified, and what is a...

Yes. Lab grown diamonds are certified by the same independent gem labs (IGI and GIA) that grade natural diamonds, on the same four Cs.

A close up of a teardrop cut lab grown diamond, Luma Jewellery

Do lab grown diamonds test as real diamonds?

Yes. A standard diamond tester reads a lab grown stone as diamond every time, because it is the same carbon crystal. Distinguishing lab grown from mined needs a gem lab.

Do lab grown diamonds test as real diamonds?

Yes. A standard diamond tester reads a lab grown stone as diamond every time, because it is the same carbon crystal. Distinguishing lab grown from mined needs a gem lab.

A jeweller's bench in Hatton Garden, Luma Jewellery

How are lab grown diamonds made?

A lab grown diamond is made by recreating, in a controlled laboratory, the conditions that form a diamond in the earth. Two methods: HPHT and CVD.

How are lab grown diamonds made?

A lab grown diamond is made by recreating, in a controlled laboratory, the conditions that form a diamond in the earth. Two methods: HPHT and CVD.

A raw lab grown diamond beside a finished Luma diamond ring, Luma Jewellery

Do lab grown diamonds hold their value?

Not in the sense of resale, and the same is true of natural diamonds. Judged for wear rather than resale, a lab grown diamond holds its value well.

Do lab grown diamonds hold their value?

Not in the sense of resale, and the same is true of natural diamonds. Judged for wear rather than resale, a lab grown diamond holds its value well.