All fancy coloured diamonds on this site are certificated by independent laboratory.In case of grading colours are split,we show both of them.

Notes of laboratories
AGT:AGT Gem Laboratory-GIA Japan(JPN)
CGL:Central Gem Laboratory(JPN)
DGL:Diamond Grading Laboratory(JPN)
GAAJ:Gemological Association of All Japan(JPN)
ADL:Antwerp Diamond Laboratory(JPN)
GIA:Gemological Institute of America(USA)