Trigons sometimes can be seen on a rough diamond's surface or even on a polished diamond's surface.
A reputable and independent laboratory, our experienced certified gemologists perform tests on diamonds, coloured stones, jade and pearls using the latest analytical tools and state-of-art equipment.
SO-22-8, Strata Office, Menara 1 KL Eco City, Jalan Bangsar, Kg Haji Abdullah Hukum, 59200 Kuala Lumpur, Malaysia.