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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6552456281

Certificate GIA 6552456281

Diamond specifications and retailer prices

From $3,474 CAD
As of November 4, 2026
Save $3,323 CAD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,797 CAD at MOH London · As of November 2, 2026
View at MOH London

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 6552456281. Listed at 13 retailers as of November 2, 2026, with prices from $3,474 to $6,797, a $3,323 spread on the same certified stone. MOH London lists it at $6,797. 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 6552456281
Dimensions5.85 × 5.73 × 3.87 mm
L/W Ratio1.02
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
5.85 mm5.73 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552456281
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NDepth 67.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $6,797 CAD|Low: $3,474 CAD|High: $6,879 CAD|Avg: $4,413 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$3,474 CAD
Retailer 10$3,737 CAD
Retailer 6$3,812 CAD
Retailer 7$4,029 CAD
Retailer 2$4,106 CAD
Retailer 5$4,304 CAD
Retailer 8$4,346 CAD
Retailer 3$4,515 CAD
Retailer 4$4,735 CAD
MOH London$6,797 CAD

46 data points across 10 retailers

13 retailers$3,474 CAD to $6,797 CAD

A
Cheapest Retailer
-
$3,474 CAD
A
Retailer 2
-
$3,737 CAD
View
A
Retailer 3
-
$3,812 CAD
View
A
Retailer 4
-
$4,029 CAD
View
A
Retailer 5
-
$4,078 CAD
View
A
Retailer 6
-
$4,106 CAD
View
A
Retailer 7
-
$4,304 CAD
View
Retailer 8
-
$4,346 CAD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$4,429 CAD
View
B+
Retailer 10
-
$4,459 CAD
View
B+
Retailer 11
-
$4,515 CAD
View
B+
Retailer 12
-
$4,735 CAD
View
Most Expensive
B
MOH London
82E0605D6 · Nov 2
$6,797 CAD
£3,805 GBP
View
12 more retailers have this diamond
Prices start from $3,474 CADSave up to $3,323 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
$3,474 CAD