set yourself apart with colour
SJ Gems declare any enhancements to the best of their ability. Authenticity is guaranteed by full refund.
All deliveries are fully insured. Convenient and secure online payment through 100% secure checkout
Easily exchange or return items. Return any purchase in its original condition. No questions asked.
Hardness – 9 on Mohs scale
Toughness – Excellent
Heat – High heat can cause change in color or clarity
Light – Generally stable, but irradiated yellow stones fade quickly
Chemicals – Can harm fillings and remove oil
Steam – Never for fracture- or cavity-filled stones
Ultrasonic – Never for fracture- or cavity-filled stones
Warm, soapy water – Safe, but avoid strong detergents
Heating – Improves the colour and clarity → good stability → can be undetectable
Lattice diffusion – creates red colour → good stability → detectable
Fracture-filling – improves clarity → fair stability → heat and chemicals can destroy filling → detectable
Lead glass filling – improves clarity → poor stability → detectable