Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6551050710

Certificate GIA 6551050710

Diamond specifications and retailer prices

From $2,847 USD
As of November 2, 2026
Save $2,103 USD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,950 USD 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 $2,847 to $4,950, a $2,103 spread on the same certified stone. MOH London lists it at $4,950. 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: $4,950 USD|Low: $2,847 USD|High: $6,137 USD|Avg: $3,723 USD
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$2,847 USD
Retailer 11$2,890 USD
Retailer 2$3,074 USD
Retailer 8$3,145 USD
Retailer 13$3,146 USD
Retailer 3$3,167 USD
Retailer 6$3,167 USD
Retailer 9$3,309 USD
Retailer 4$3,411 USD
Retailer 14$3,430 USD
Retailer 10$3,638 USD
Retailer 12$4,630 USD
MOH London$4,950 USD
Retailer 5$5,518 USD

8 data points across 14 retailers

7 retailers$2,847 USD to $4,950 USD

A
Cheapest Retailer
-
$2,847 USD
A
Retailer 2
-
$2,890 USD
View
B+
Retailer 3
-
$3,074 USD
View
B+
Retailer 4
-
$3,145 USD
View
B+
Retailer 5
-
$3,309 USD
View
B+
Retailer 6
-
$3,638 USD
View
Most Expensive
B
MOH London
A38320EFD · Nov 2
$4,950 USD
£3,898 GBP
View
6 more retailers have this diamond
Prices start from $2,847 USDSave up to $2,103 USD

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
$2,847 USD