Diamond simulant Artificial simulants Summary table

| Material | Formula | Refractive_indexes_589_3_nm | Dispersion_431_687_nm | Hardness_Mohs_scale | Density_g_cm3 | Thermal_Cond_ | State_of_the_art_ |
|---|---|---|---|---|---|---|---|
| Cubic Zirconia | ZrO2(+ rare earths) | ~ 2.2 | ~ 0.06 | ~ 8.3 | ~ 5.7 | Poor | 1976 – |
| Moissanite | SiC | 2.648 – 2.691 | 0.104 | 8.5–9.25 | 3.2 | High | 1998 – |
| Quartz | Silica | 1.543 – 1.554 |  | 7- | 2.50 – 2.65 |  | Ancient |