Orloff Cullinan II Cullinan I KOH-I-NOOR
250 miles 10 miles 5 miles 50 miles
Australia India Brazil South Africa
Strontium Titanate Glass YAG Yttrium Aluminium Garnet Cubic Zirconia
Cut Carat Clarity Colour
Blue Yellow/Green Black Pink
Parable Paradigm Paragon Parasol
Diamonds Corundum Depleted Uranium Gold
Brilliant Cut Mixed Cut Step Cut Fancy Cut
Hydrogen Oxygen Carbon Silicon