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Radiant|Natural|GIA

1.20ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2554784839

Certificate GIA 2554784839

Diamond specifications and retailer prices

From $3,798 CAD
As of November 6, 2026
Save $4,580 CAD (55%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,378 CAD at MOH London · As of November 4, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554784839. Listed at 6 retailers as of November 4, 2026, with prices from $3,798 to $8,378, a $4,580 spread on the same certified stone. MOH London lists it at $8,378. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554784839
Dimensions7.27 × 5.44 × 3.78 mm
L/W Ratio1.34
Girdle conditionSlightly Thick to Thick
Culet sizeNone
Top View
7.27 mm5.44 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554784839
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,378 CAD|Low: $3,763 CAD|High: $8,444 CAD|Avg: $5,333 CAD|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$3,798 CAD
Retailer 8$3,930 CAD
Retailer 6$4,158 CAD
Retailer 3$5,007 CAD
Retailer 2$5,197 CAD
Retailer 9$5,213 CAD
Retailer 7$5,472 CAD
Retailer 4$5,846 CAD
MOH London$8,378 CAD

42 data points across 9 retailers

6 retailers$3,798 CAD to $8,378 CAD

B+
Cheapest Retailer
-
$3,798 CAD
B+
Retailer 2
-
$4,158 CAD
View
B+
Retailer 3
-
$5,007 CAD
View
B
Retailer 4
-
$5,197 CAD
View
B
Retailer 5
-
$5,846 CAD
View
Most Expensive
B
MOH London
CF378791B · Nov 4
$8,378 CAD
£4,690 GBP
View
5 more retailers have this diamond
Prices start from $3,798 CADSave up to $4,580 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.

B+
1.20ct Radiant
$3,798 CAD