Carat AAA Grade Natural Faceted Blue Aquamarine Cut Stone, 9x7 MM Emerald Cut Loose Gemstone, Top Blue Aquamarine, Emerald Cut Gemstone

• 💎 💙 ✔️ The hardness of this gemstone on the Mohs scale is 9. The specific gravity of the Blue Sapphire/Neelam gemstone hovers between 3.99 and 4.00 and its refractive index varies between 1.760-1.768 and 1.770-1.779. 💎 💙 ✔️ The most valued blue sapphires are velvety blue to violetish blue, in medium to medium-dark tones. Sapphires with these qualities command the highest prices per carat. Less valuable blue sapphires might also be grayish, too light, or too dark. 💎 💙 ✔️ Blue sapphire from srilanka is considered more precious because of its fine quality and clarity and precision. 💎 💙 ✔️ Sri lankan Real Ceylon Neelam Stone Unheated And Untreated Natural Blue Sapphire नीला पत्थर , नीलम रत्न ओरिजिनल, कश्मीरी नीलम रत्न, नीलम पत्थर, नीलम रत्न, नीलम रत्ना, नीलम stone, ब्लू सफायर , नीलम नग, राशि रत्न , Non Treated Blue Sapphire , नीलमणि स्टोन , नीलम रत्ना , Indraneelam Stone Original Certified Rings, Blue Oval Shape Beads, Blue Stone Oval Shape Pendant Ring Jewellery Earrings Set