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Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6551050710

Certificate GIA 6551050710

Diamond specifications and retailer prices

From $3,976 CAD
As of November 2, 2026
Save $2,938 CAD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,914 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551050710. Listed at 7 retailers as of November 2, 2026, with prices from $3,976 to $6,914, a $2,938 spread on the same certified stone. MOH London lists it at $6,914. 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

1.24
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551050710
Dimensions6.80 × 6.84 × 4.25 mm
L/W Ratio1.01
Star length50%
Top View
6.80 mm6.84 mm1.24 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551050710
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.2%

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 2
Current: $6,914 CAD|Low: $3,976 CAD|High: $8,571 CAD|Avg: $5,200 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 7$3,976 CAD
Retailer 11$4,036 CAD
Retailer 2$4,293 CAD
Retailer 8$4,392 CAD
Retailer 13$4,394 CAD
Retailer 3$4,423 CAD
Retailer 6$4,423 CAD
Retailer 9$4,621 CAD
Retailer 4$4,764 CAD
Retailer 14$4,790 CAD
Retailer 10$5,081 CAD
Retailer 12$6,466 CAD
MOH London$6,914 CAD
Retailer 5$7,706 CAD

8 data points across 14 retailers

7 retailers$3,976 CAD to $6,914 CAD

A
Cheapest Retailer
-
$3,976 CAD
A
Retailer 2
-
$4,036 CAD
View
B+
Retailer 3
-
$4,293 CAD
View
B+
Retailer 4
-
$4,392 CAD
View
B+
Retailer 5
-
$4,621 CAD
View
B+
Retailer 6
-
$5,081 CAD
View
Most Expensive
B
MOH London
A38320EFD · Nov 2
$6,914 CAD
£3,898 GBP
View
6 more retailers have this diamond
Prices start from $3,976 CADSave up to $2,938 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
1.24ct Round
$3,976 CAD