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1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6551050710

Certificate GIA 6551050710

Diamond specifications and retailer prices

From $3,649 SGD
As of November 2, 2026
Save $2,696 SGD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,345 SGD 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 $3,649 to $6,345, a $2,696 spread on the same certified stone. MOH London lists it at $6,345. 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
Colour
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: $6,345 SGD|Low: $3,649 SGD|High: $7,865 SGD|Avg: $4,772 SGD
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$3,649 SGD
Retailer 11$3,704 SGD
Retailer 2$3,940 SGD
Retailer 8$4,031 SGD
Retailer 13$4,032 SGD
Retailer 3$4,059 SGD
Retailer 6$4,059 SGD
Retailer 9$4,241 SGD
Retailer 4$4,372 SGD
Retailer 14$4,396 SGD
Retailer 10$4,662 SGD
Retailer 12$5,934 SGD
MOH London$6,345 SGD
Retailer 5$7,072 SGD

8 data points across 14 retailers

7 retailers$3,649 SGD to $6,345 SGD

A
Cheapest Retailer
-
$3,649 SGD
A
Retailer 2
-
$3,704 SGD
View
B+
Retailer 3
-
$3,940 SGD
View
B+
Retailer 4
-
$4,031 SGD
View
B+
Retailer 5
-
$4,241 SGD
View
B+
Retailer 6
-
$4,662 SGD
View
Most Expensive
B
MOH London
A38320EFD · Nov 2
$6,345 SGD
£3,898 GBP
View
6 more retailers have this diamond
Prices start from $3,649 SGDSave up to $2,696 SGD

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
$3,649 SGD