Meaning of parameters on GIA certificate:
First, let's start from the left, from top to bottom:
First, the certificate title part:
1.Gemo logic institute USA: logo; GIA labs.
2.GIA diamond file: certificate name;
March 7, 2005: Date of issuance. This date also represents the test level and dollar price at that time. But now we are all settled in dollars on the purchase date, so we will not pursue this date;
4. Laser Inscription Registry: gia Report: Different numbers printed on each diamond are like people's ID cards.
5. Shape and cutting style: shape: diamond shape, such as round bright shape, olive shape, pear shape, heart shape, oval shape, emerald shape and princess shape.
6. Size: The actual size of the diamond.
The middle gear is 4C, which means weight, color cutting and clarity.
Polishing: diamond polishing
Symmetry: diamond symmetry
Fluorescence: diamond fluorescence
Comments: Appraisal institutions' evaluation of diamonds, about the composition and shape of diamond defects.
I hope it helps you. ...