Engagement Rings
PureGem Ruby® Comparison Chart
Compare Lab Grown PureGem Rub to Mined Ruby
LAB GROWN RUBY vs MINED RUBY
| PROPERTIES | PUREGEM RUBY® | MINED RUBY |
| COLOR | Blood Red | Varies |
| CLARITY | VVS to FL | VVS to I3 |
| REFRACTIVE | 1.76-1.77 | 1.76-1.77 |
| 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 | $4000+ |