OUR GEMSTONES

Here at TMC Fine Jewellers we proudly work with cultured gemstones - Moissanite and Lab Grown Diamonds. These both are more ethical and responsible gemstones, grown in a laboratory. Below is a side by side comparison of the properties of each gemstone so you can make an informed choice.

PROPERTY	MOISSANITE	LAB-GROWN DIAMOND
Chemical Composition	Silicon Carbide - SiC	Carbon - C
Hardness (Moh’s Scale)	9.25	10
Refractive Index	2.65-69	2.42
Fire Dispersion	0.104	0.044
Specifications	D Colour, VVS1 Clarity, Excellent Cut (Eternal Brilliance Moissanite)	DEF Colour, VS2-VVS1 Clarity, Excellent Cut
Price: Range	$620 - $5,000+	$2,500 - $15,000+
Sourcing:	Laboratory Grown	Laboratory Grown