Engagement Rings
PureGem Sapphire® Mined Comparison Chart
Compare Lab Grown PureGem Blue Yellow and Pink Sapphire to Mined Sapphire.
LAB GROWN SAPPHIRE vs MINED SAPPHIRE
| Properties | PUREGEM SAPPHIRE® | MINED SAPPHIRE |
| CLARITY | VVS to FL | VVS to I3 |
| REFRACTIVE | 1.750-1.760 | 1.750-1.760 |
| MINERAL CONTENT | Corundum | Corundum |
| MOHS HARDNESS | 9 Mohs | 9 Mohs |
| TOUGHNESS | Excellent | Excellent |
| SCRATCH RESISTANT | Yes | Yes |
| ECO-FRIENDLY | Yes | No |
| CONFLICT FREE | Yes | No |
| GIA STANDARDS | Yes | Yes |
| PRICE / CARAT* | $399 | $1100 - $10,000+ |
