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About
How to check Diamond
Certificate or Diamond Report ?

A diamond that is certified by a reputed laboratory
provides a person confidence, feeling of security &
relaxed mind to purchase a Diamond or Jewellery. Not
only retailers canestablish themselves as trustworthy &
reliable trader; but it protects consumer from
misleading & honest Jewellers from unfair competition.
At Goyam Diamond Institute each diamond is analyzed by
well experienced & skilled diamond graders with latest
equipments. And as a result of it, each report given
gets a touch of accuracy. Detailed description of every
diamond like proportion, symmetry & polish, grading of
cut, analysis & grading of clarity & color are precisely
described in the report.
Certificates – Diamonds/Jewellery
Diamond Reports

This full page report issued by “Goyam”, contains all
the details of diamond like measurements, diagram and
grades according to various parameters like proportion,
symmetry polish, color, clarity & fluorescence.
Diamond Report in the “Smart Card Format”

A compact card is given instead of full size report.
Almost all the details of report are given in the
certificate of this kind.
Sealed Diamond
On the request of the customer, we seal the diamond in a
plastic box with a compact copy of the report. A full
size report is given along with.
Jewellery Report

Certificate of Diamond studded Jewellery is given with
the photograph of the article.
“Goyam” Clarity Grade

“Goyam”
Colour Grade

“Goyam” Finish Grade

How to check Diamond
Certificate or Diamond Report? ||TOP||
Smart Card format Certificate:

1)
Photo of Jewellery
2)
Description
3)
Weight of Jewellery
4)
Diamond Detail
5)
Shape used
6)
Colour Grade
7)
Clarity Grade
8)
Comments
Diamond Report :

1)
Shape & Cutting style
2)
Measurement
3)
Carat Weight
4)
Clarity Grade
5)
Colour Grade
6)
Cut Grade
a.
Proportion Grade
b.
Symmetry Grade
c.
Polish Grade
7)
Fluorescence
8)
Proportion
a.
Table Diameter
b.
Crown Angle
c.
Crown Height
d.
Pavillion Depth
e.
Girdle
9)
Comments
A.
“Goyam” Clarity Grade
B.
“Goyam” Colour Grade
C.
“Goyam” Finish Grade
Jewellery Report

1)
Report No.
2)
Description
3)
Total Weight
4)
Shape & Cutting Style
5)
Diamond Weight
6)
Clarity Grade
7)
Colour Grade
8)
Cut Grade
9)
Comments
10)
Design of Jewellery
A.
“Goyam” Clarity Grade
B.
“Goyam” Colour Grade
C.
“Goyam” Finish Grade
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