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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7556478631

Certificate GIA 7556478631

Diamond specifications and retailer prices

From $4,505 CAD
As of November 4, 2026
Save $4,064 CAD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,569 CAD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556478631. Listed at 13 retailers as of November 4, 2026, with prices from $4,505 to $8,569, a $4,064 spread on the same certified stone. Helzberg Diamonds lists it at $8,569. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556478631
Dimensions7.16 × 5.34 × 3.52 mm
L/W Ratio1.34
Culet sizeNone
Top View
7.16 mm5.34 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556478631
Side View
Table 67.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,569 CAD|Low: $4,505 CAD|High: $8,569 CAD|Avg: $5,871 CAD|+4.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 9$4,505 CAD
Retailer 11$4,581 CAD
Retailer 8$4,615 CAD
Retailer 10$4,815 CAD
Retailer 2$5,203 CAD
Retailer 4$5,428 CAD
Retailer 13$5,747 CAD
Retailer 3$5,830 CAD
Retailer 7$6,003 CAD
Retailer 6$6,251 CAD
Retailer 12$7,598 CAD
Retailer 5$8,133 CAD
Helzberg Diamonds$8,569 CAD

36 data points across 13 retailers

13 retailers$4,505 CAD to $8,569 CAD

A
Cheapest Retailer
-
$4,505 CAD
A
Retailer 2
-
$4,581 CAD
View
A
Retailer 3
-
$4,615 CAD
View
A
Retailer 4
-
$4,815 CAD
View
B+
Retailer 5
-
$5,203 CAD
View
B+
Retailer 6
-
$5,428 CAD
View
B+
Retailer 7
-
$5,747 CAD
View
B+
Retailer 8
-
$5,830 CAD
View
B+
Retailer 9
-
$6,003 CAD
View
B+
Retailer 10
-
$6,251 CAD
View
B
Retailer 11
-
$7,598 CAD
View
B
Retailer 12
-
$8,133 CAD
View
Most Expensive
B
Helzberg Diamonds
XZRNLLMKNOMJH · Nov 6
$8,569 CAD
$6,092 USD
View
12 more retailers have this diamond
Prices start from $4,505 CADSave up to $4,064 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Radiant
$4,505 CAD