sam,
how can i identify the GIA certificate is belongs to this diamond? is any GIA reference number was marking on the diamond?

sam

Hi

GIA證書的鑽石1卡以下會在鑽石腰部有雷射編號同張證書編號一樣
而1卡以上是大證書會有鑽石的內含物圖的顯示可以放大睇是否一樣
亦可以用卡尺量度鑽石的直徑及高度是否同證書一樣

thx

sam