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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 $50,066 AUD
As of November 6, 2026
Save $31,268 AUD (38%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $81,334 AUD 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 $50,066 to $81,334, a $31,268 spread on the same certified stone. MOH London lists it at $81,334. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $81,334 AUD|Low: $50,066 AUD|High: $85,240 AUD|Avg: $59,599 AUD|-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$50,066 AUD
Retailer 2$51,897 AUD
Retailer 12$52,339 AUD
Retailer 7$53,817 AUD
Retailer 17$54,394 AUD
Retailer 8$54,849 AUD
Retailer 13$55,319 AUD
Retailer 18$55,539 AUD
Retailer 9$56,416 AUD
Retailer 4$56,454 AUD
Retailer 14$57,446 AUD
Retailer 3$58,213 AUD
Retailer 15$62,254 AUD
Retailer 11$62,865 AUD
Retailer 10$64,615 AUD
Retailer 5$65,265 AUD
Retailer 6$67,775 AUD
MOH London$81,334 AUD

22 data points across 18 retailers

11 retailers$50,066 AUD to $81,334 AUD

A
Cheapest Retailer
-
$50,066 AUD
A
Retailer 2
-
$51,897 AUD
View
B+
Retailer 3
-
$52,339 AUD
View
B+
Retailer 4
-
$54,394 AUD
View
B+
Retailer 5
-
$55,319 AUD
View
B+
Retailer 6
-
$57,446 AUD
View
B
Retailer 7
-
$62,254 AUD
View
B+
Retailer 8
-
$62,865 AUD
View
Retailer 9
-
$65,265 AUD
View
Price last confirmed 45 days ago
Retailer 10
-
$67,775 AUD
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
BD45A1CB1 · Nov 4
$81,334 AUD
£44,832 GBP
View
10 more retailers have this diamond
Prices start from $50,066 AUDSave up to $31,268 AUD

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
$50,066 AUD