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Radiant|Natural|GIA

1.26ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2151322920

Certificate GIA 2151322920

Diamond specifications and retailer prices

From $6,463 CAD
As of November 1, 2026
Save $5,404 CAD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,867 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.26ct natural radiant diamond

This 1.26ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2151322920. Listed at 6 retailers as of November 1, 2026, with prices from $6,463 to $11,867, a $5,404 spread on the same certified stone. MOH London lists it at $11,867. 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

1.26
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151322920
Dimensions6.06 × 6.03 × 4.17 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
Additional clouds are not shown.
Top View
6.06 mm6.03 mm1.26 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2151322920
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.2%

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 1
Current: $11,867 CAD|Low: $6,463 CAD|High: $12,042 CAD|Avg: $8,573 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 5$6,463 CAD
Retailer 3$7,444 CAD
Retailer 2$7,801 CAD
Retailer 4$8,776 CAD
Retailer 6$8,911 CAD
MOH London$11,867 CAD

43 data points across 6 retailers

6 retailers$6,463 CAD to $11,867 CAD

B+
Cheapest Retailer
-
$6,463 CAD
B+
Retailer 2
-
$7,444 CAD
View
B+
Retailer 3
-
$7,801 CAD
View
B
Retailer 4
-
$8,776 CAD
View
Retailer 5
-
$8,911 CAD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
1081D087A · Nov 4
$11,867 CAD
£6,643 GBP
View
5 more retailers have this diamond
Prices start from $6,463 CADSave up to $5,404 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+
1.26ct Radiant
$6,463 CAD