E.G.L. South Africa
Johannesburg, South Africa
Specialty: Diamonds, coloured stones incl. tanzanite, jewellery
Laboratories that test and grade diamonds, coloured stones and pearls, and assay offices that test precious metals, around the world.
Johannesburg, South Africa
Specialty: Diamonds, coloured stones incl. tanzanite, jewellery
Listed alphabetically within each region. JewelLoop does not rank, recommend or endorse any laboratory. Details come from each laboratory's own website; check services and fees with the laboratory directly.