| Identification | Natural sapphire |
| Origin | Mogok, Myanmar. |
| Comment | No indication of thermal treatment. |
| Item | Gold necklace with natural sapphire and diamonds |
| Pieces | Sapphire : 32 pcs, diamond : 130 pcs |
| Measurement | 5.9x4.7 mm to 8.5x6.9 mm (Approx) |
| Weight | Total : 76.05 gm, sapphire : 51.76 cts, diamond : 13.44 cts |
| Cut & shape | Mixed cut, cushion, rounded and oval shape |
| Colour | Intense blue to vivid cornflower blue |
| Transparency | Transparent |
Fine rutiles, solids, feathers, twinned planes, boehmite.