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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231017332

Certificate GIA 5231017332

Diamond specifications and retailer prices

From $60,533 AUD
As of November 1, 2026
Save $47,423 AUD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $107,955 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 5231017332. Listed at 4 retailers as of November 1, 2026, with prices from $60,533 to $107,955, a $47,423 spread on the same certified stone. MOH London lists it at $107,955. 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
OriginNatural
Grading LabGIA
CertificateGIA 5231017332
Dimensions10.15 × 10.09 × 6.38 mm
L/W Ratio1.01
Top View
10.15 mm10.09 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231017332
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $107,955 AUD|Low: $60,533 AUD|High: $109,548 AUD|Avg: $81,360 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$60,533 AUD
Retailer 2$68,665 AUD
Retailer 3$83,550 AUD
MOH London$107,955 AUD

38 data points across 4 retailers

4 retailers$60,533 AUD to $107,955 AUD

B+
Cheapest Retailer
-
$60,533 AUD
B
Retailer 2
-
$68,665 AUD
View
B
Retailer 3
-
$83,550 AUD
View
Most Expensive
B
MOH London
17BF91E90 · Nov 4
$107,955 AUD
£59,506 GBP
View
3 more retailers have this diamond
Prices start from $60,533 AUDSave up to $47,423 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.

B+
4.02ct Round
$60,533 AUD