LifeGem Diamonds Limited provides complete disclosure of the enhancements and heat processes, if any,  before selling HPHT diamonds & natural  gemstones.  Some of these details are as under –


  1. Lab-grown gemstones & diamond stimulant YAG – All our lab-grown gemstones & diamond stimulant YAG come with our own certificate as ‘lab-grown’ with life-time guarantees for shining and colour.

  2. HPHT white Diamonds – All our HPHT diamonds are laser-inscribed immediately after cutting & polishing, to ensure that the customers have the full information of what they are buying.

  3. HPHT colour diamonds - All our HPHT colour diamonds will be duly certified whether they are ‘as-grown’ or ‘post-grown’ by an external laboratory (for example, IGI).

  4. Natural Rubies and Star Rubies – All our natural rubies are certified as un-heated and un-treated Rubies.

    As a policy, LifeGem Diamonds Limited do not supply heat-treated / colour or clarity enhanced / lead-glass filled rubies.

    All our Star Rubies are also natural, un-heated & un-treated.

  5. Irradiated topaz– All our irradiated topaz stones will come with a self-certificate regarding the method of irradiation, whether gamma / neutron beam & also a self-certificate that there is no radiation / safe levels of residual radiation.  99% of Sky blue, Swiss blue & London blue colours of topaz in the market are irradiated.

  6. Healing crystals – All our healing crystals will come with a self-certificate that they are natural, un-heated & un-treated.