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Radiant|Natural|GIA

1.26ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 6555299354

Certificate GIA 6555299354

Diamond specifications and retailer prices

From $4,113 CAD
As of November 6, 2026
Save $4,819 CAD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,932 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 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 6555299354. Listed at 12 retailers as of November 4, 2026, with prices from $4,113 to $8,932, a $4,819 spread on the same certified stone. MOH London lists it at $8,932. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.74°
OriginNatural
Grading LabGIA
CertificateGIA 6555299354
Dimensions7.55 × 5.39 × 3.64 mm
L/W Ratio1.40
Key to symbols
Cloud, Twinning Wisp, Feather, Crystal, Needle
Top View
7.55 mm5.39 mm1.26 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555299354
Side View
Table 66.0%Crown 45.74°Girdle: MED-STKPavilionCulet: NoneDepth 67.5%

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 6
Current: $8,932 CAD|Low: $4,113 CAD|High: $9,852 CAD|Avg: $5,745 CAD|-9.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3$4,113 CAD
Retailer 10$4,113 CAD
Retailer 12$5,196 CAD
Retailer 9$5,275 CAD
Retailer 8$5,500 CAD
Retailer 11$5,500 CAD
Retailer 2$5,541 CAD
Retailer 7$5,683 CAD
Retailer 4$6,064 CAD
Retailer 5$6,233 CAD
Retailer 6$7,735 CAD
MOH London$8,932 CAD

45 data points across 12 retailers

12 retailers$4,113 CAD to $8,932 CAD

A
Cheapest Retailer
-
$4,113 CAD
A
Retailer 2
-
$4,113 CAD
View
B+
Retailer 3
-
$5,196 CAD
View
B+
Retailer 4
-
$5,275 CAD
View
B+
Retailer 5
-
$5,458 CAD
View
B+
Retailer 6
-
$5,500 CAD
View
B+
Retailer 7
-
$5,500 CAD
View
B+
Retailer 8
-
$5,541 CAD
View
B+
Retailer 9
-
$5,683 CAD
View
B+
Retailer 10
-
$6,233 CAD
View
B
Retailer 11
-
$7,735 CAD
View
Most Expensive
B
MOH London
CEF3EF61C · Nov 4
$8,932 CAD
£5,000 GBP
View
11 more retailers have this diamond
Prices start from $4,113 CADSave up to $4,819 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
1.26ct Radiant
$4,113 CAD