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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2544496902

Certificate GIA 2544496902

Diamond specifications and retailer prices

From $35,048 USD
As of November 6, 2026
Save $21,889 USD (38%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $56,937 USD at MOH London · As of November 4, 2026
View at MOH London

About this 4.02ct natural round diamond

This 4.02ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2544496902. Listed at 11 retailers as of November 4, 2026, with prices from $35,048 to $56,937, a $21,889 spread on the same certified stone. MOH London lists it at $56,937. 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

4.02
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544496902
Dimensions10.10 × 10.03 × 6.30 mm
L/W Ratio1.01
Star length50%
Top View
10.10 mm10.03 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2544496902
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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: $56,937 USD|Low: $35,048 USD|High: $59,671 USD|Avg: $41,721 USD|-4.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 16$35,048 USD
Retailer 2$36,330 USD
Retailer 12$36,639 USD
Retailer 7$37,674 USD
Retailer 17$38,078 USD
Retailer 8$38,396 USD
Retailer 13$38,725 USD
Retailer 18$38,879 USD
Retailer 9$39,493 USD
Retailer 4$39,520 USD
Retailer 14$40,214 USD
Retailer 3$40,751 USD
Retailer 15$43,580 USD
Retailer 11$44,008 USD
Retailer 10$45,233 USD
Retailer 5$45,688 USD
Retailer 6$47,445 USD
MOH London$56,937 USD

22 data points across 18 retailers

11 retailers$35,048 USD to $56,937 USD

A
Cheapest Retailer
-
$35,048 USD
A
Retailer 2
-
$36,330 USD
View
B+
Retailer 3
-
$36,639 USD
View
B+
Retailer 4
-
$38,078 USD
View
B+
Retailer 5
-
$38,725 USD
View
B+
Retailer 6
-
$40,214 USD
View
B
Retailer 7
-
$43,580 USD
View
B+
Retailer 8
-
$44,008 USD
View
Retailer 9
-
$45,688 USD
View
Price last confirmed 45 days ago
Retailer 10
-
$47,445 USD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
BD45A1CB1 · Nov 4
$56,937 USD
£44,832 GBP
View
10 more retailers have this diamond
Prices start from $35,048 USDSave up to $21,889 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
4.02ct Round
$35,048 USD