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Lab-grown diamond jewellery education - GIA certified diamonds, Glasaje Melbourne

Know your diamonds

Diamond education

Our diamonds

At Glasaje, every diamond we use is lab-grown, ethically sourced, and GIA certified. Here is everything you need to know about lab-grown diamonds, simply and clearly.


The 4Cs explained

Cut

Brilliance

Excellent

How facets interact with light. The most important C for sparkle.

Colour

Whiteness

D to F range

Near-colourless to colourless. Clean, modern, brilliant.

Clarity

Purity

VS grade

Very Slightly Included. Inclusions invisible to the naked eye.

Carat

Weight

Intentional

Carefully selected to complement each design. Never excessive.

Glasaje lab-grown diamond jewellery, GIA certified, set in solid gold Melbourne

01

Cut

Cut: the most important C

The cut of a diamond refers to how its facets are shaped and proportioned to interact with light. A well-cut diamond reflects light beautifully, creating the brilliance and sparkle diamonds are known for.

Cut is graded from Excellent to Poor. At Glasaje, we use only well-cut diamonds that maximise brilliance without compromising on ethical standards.

Think of cut as the craftsmanship of the diamond. It is what makes it come alive.

02

Colour

Colour: less colour, more light

Diamond colour is graded on a scale from D (completely colourless) to Z (visibly warm or yellow). The closer to D, the rarer the stone. Colourless diamonds allow the most light to pass through, creating a brighter, more brilliant appearance.

Our lab-grown diamonds sit in the D to F range, near-colourless to colourless, giving each piece a clean, modern finish that complements our minimal designs.

D to F. The clearest range, for the brightest result.

Diamond colour grade chart D to F range - Glasaje lab-grown diamonds
Glasaje diamond earrings, VS clarity lab-grown GIA certified, Melbourne

03

Clarity

Clarity: naturally unique, visually perfect

Clarity refers to the natural characteristics, called inclusions, found within a diamond. These tiny marks form during the diamond's creation and are unique to every stone, much like a fingerprint.

Clarity is graded from Flawless (FL) to Included (I). All Glasaje lab-grown diamonds carry a VS (Very Slightly Included) clarity grade, meaning any inclusions are microscopic and invisible to the naked eye.

VS clarity. Visually perfect, every time.

Glasaje lab-grown diamond necklace in solid 9ct gold, made in Melbourne

04

Why lab-grown

Real diamonds, made responsibly

Lab-grown diamonds are real diamonds in every sense. They share the same physical, chemical, and optical properties as mined diamonds, including the same hardness of 10 on the Mohs scale. The only difference is where they come from.

Created in controlled environments using advanced technology, lab-grown diamonds eliminate the environmental damage and ethical concerns associated with traditional diamond mining. No displaced communities. No habitat destruction. No conflict.

For us, choosing lab-grown diamonds was the only decision that aligned with our values.

Lab-grown vs mined diamonds

Lab-grown Mined
Composition Pure crystallised carbon Pure crystallised carbon
Hardness (Mohs) 10 - the hardest material 10 - identical
GIA certified Yes, same 4Cs scale Yes
Passes diamond tester Yes Yes
Environmental cost Significantly lower High - land and habitat impact
Conflict risk None - fully traceable Varies by source
Price 30 to 50% less Higher

Common questions

Lab-grown diamonds: FAQs

Yes. Lab-grown diamonds are physically, chemically and optically identical to mined diamonds. They have the same hardness (10 on the Mohs scale) and the same brilliance. The only difference is where they come from. All Glasaje lab-grown diamonds are GIA certified.
Yes. Lab-grown diamonds typically cost 30 to 50 percent less than mined diamonds of equivalent size and grade, because the supply chain is shorter and there is no mining involved. You get the same stone for less.
All Glasaje lab-grown diamonds carry a VS (Very Slightly Included) clarity grade. This means any inclusions are microscopic and completely invisible to the naked eye.
Glasaje lab-grown diamonds sit in the D to F colour range, near-colourless to colourless, giving each piece a clean, modern finish.
Lab-grown diamonds eliminate the environmental damage and ethical concerns associated with traditional diamond mining. No displaced communities, no habitat destruction, no conflict, with zero compromise on quality or beauty.
Yes. Because lab-grown diamonds are made of pure crystallised carbon, exactly like mined diamonds, they pass standard diamond testers. They are graded by GIA using the same 4Cs criteria as mined diamonds.
Yes. Lab-grown diamonds are among the hardest materials on earth and are safe to clean with warm water, mild dish soap and a soft toothbrush. All Glasaje solid gold pieces are water safe too. See our jewellery care guide for more.

Every Glasaje diamond is chosen with care, certified independently, and set in solid 9ct gold, made to order in Melbourne.