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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5222151906

Certificate GIA 5222151906

Diamond specifications and retailer prices

From $67,367 NZD
As of November 1, 2026
Save $52,782 NZD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $120,149 NZD 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 5222151906. Listed at 14 retailers as of November 1, 2026, with prices from $67,367 to $120,149, a $52,782 spread on the same certified stone. MOH London lists it at $120,149. 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
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5222151906
Dimensions10.18 × 10.11 × 6.34 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
10.18 mm10.11 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5222151906
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $120,149 NZD|Low: $67,367 NZD|High: $121,925 NZD|Avg: $84,963 NZD|-0.3%
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
November 6, 2026
Retailer 8$67,367 NZD
Retailer 10$69,907 NZD
Retailer 6$76,400 NZD
Retailer 13$77,247 NZD
Retailer 9$77,781 NZD
Retailer 5$80,353 NZD
Retailer 12$80,353 NZD
Retailer 11$81,155 NZD
Retailer 3$83,567 NZD
Retailer 4$86,780 NZD
Retailer 7$92,988 NZD
Retailer 2$95,997 NZD
MOH London$120,149 NZD

42 data points across 13 retailers

14 retailers$67,367 NZD to $120,149 NZD

B+
Cheapest Retailer
-
$67,367 NZD
B+
Retailer 2
-
$69,907 NZD
View
B+
Retailer 3
-
$74,776 NZD
View
B+
Retailer 4
-
$76,400 NZD
View
Retailer 5
-
$77,138 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$77,247 NZD
View
Retailer 7
-
$77,781 NZD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$80,353 NZD
View
B
Retailer 9
-
$80,353 NZD
View
B
Retailer 10
-
$83,567 NZD
View
B
Retailer 11
-
$86,780 NZD
View
B
Retailer 12
-
$92,988 NZD
View
B
Retailer 13
-
$95,997 NZD
View
Most Expensive
B
MOH London
2E1DA9314 · Nov 4
$120,149 NZD
£53,182 GBP
View
13 more retailers have this diamond
Prices start from $67,367 NZDSave up to $52,782 NZD

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
$67,367 NZD