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Radiant|Natural|GIA

4.02ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6173892629

Certificate GIA 6173892629

Diamond specifications and retailer prices

From €42,336 EUR
CA$65,692 CAD
As of October 30, 2026
Save €27,564 EUR (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €69,901 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.02ct natural radiant diamond

This 4.02ct natural radiant sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6173892629. Listed at 10 retailers as of October 30, 2026, with prices from €42,336 to €69,901, a €27,564 spread on the same certified stone. MOH London lists it at €69,901. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6173892629
Dimensions10.03 × 7.99 × 5.41 mm
L/W Ratio1.26
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.03 mm7.99 mm4.02 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6173892629
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

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: Oct 30
Current: €69,901 EUR|Low: €42,336 EUR|High: €121,784 EUR|Avg: €53,909 EUR|-42.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7€42,336 EUR
Retailer 10€42,972 EUR
Retailer 4€44,192 EUR
Retailer 2€45,587 EUR
Retailer 8€46,623 EUR
Retailer 5€47,479 EUR
Retailer 6€49,305 EUR
Retailer 9€50,218 EUR
Retailer 3€52,941 EUR
MOH London€69,901 EUR

32 data points across 10 retailers

10 retailers€42,336 EUR to €69,901 EUR

A
Cheapest Retailer
-
€42,336 EUR
CA$65,692 CAD
A
Retailer 2
-
€42,972 EUR
$48,008 USD
View
A
Retailer 3
-
€44,192 EUR
$49,372 USD
View
A
Retailer 4
-
€45,587 EUR
£40,102 GBP
View
A
Retailer 5
-
€46,623 EUR
$52,087 USD
View
A
Retailer 6
-
€47,479 EUR
$53,044 USD
View
B+
Retailer 7
-
€49,305 EUR
$55,084 USD
View
B+
Retailer 8
-
€50,218 EUR
$56,104 USD
View
B+
Retailer 9
-
€52,941 EUR
View
Most Expensive
B
MOH London
789FC819A · Nov 1
€69,901 EUR
£61,491 GBP
View
9 more retailers have this diamond
Prices start from €42,336 EURSave up to €27,564 EUR

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 Radiant
€42,336 EUR