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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6552158859

Certificate GIA 6552158859

Diamond specifications and retailer prices

From $49,571 CAD
As of November 4, 2026
Save $50,391 CAD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $99,962 CAD at With Clarity · As of November 4, 2026
View at With Clarity

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 6552158859. Listed at 11 retailers as of November 4, 2026, with prices from $49,571 to $99,962, a $50,391 spread on the same certified stone. With Clarity lists it at $99,962. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552158859
Dimensions10.14 × 10.18 × 6.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
10.14 mm10.18 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552158859
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

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 4
Current: $49,782 CAD|Low: $49,571 CAD|High: $99,962 CAD|Avg: $64,562 CAD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$49,571 CAD
Retailer 1$49,782 CAD
Retailer 6$58,062 CAD
Retailer 4$60,934 CAD
Retailer 5$67,735 CAD
Retailer 7$69,189 CAD
Retailer 2$90,121 CAD

30 data points across 7 retailers

11 retailers$49,571 CAD to $99,962 CAD

A
Cheapest Retailer
-
$49,571 CAD
A
Retailer 2
-
$49,782 CAD
View
Retailer 3
-
$54,663 CAD
View
Price last confirmed 27 days ago
Retailer 4
-
$58,062 CAD
View
Price last confirmed 14 days ago
Retailer 5
-
$60,272 CAD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$60,934 CAD
View
B+
Retailer 7
-
$60,934 CAD
View
Retailer 8
-
$66,528 CAD
View
Price last confirmed 22 days ago
Retailer 9
-
$69,189 CAD
View
Price last confirmed 19 days ago
B
Retailer 10
-
$90,121 CAD
View
Most Expensive
B
With Clarity
6552158859 · Nov 4
$99,962 CAD
$71,575 USD
View
10 more retailers have this diamond
Prices start from $49,571 CADSave up to $50,391 CAD

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
$49,571 CAD