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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 $47,298 USD
CA$65,692 CAD
As of October 30, 2026
Save $30,795 USD (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $78,094 USD 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 $47,298 to $78,094, a $30,795 spread on the same certified stone. MOH London lists it at $78,094. 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: $78,094 USD|Low: $47,298 USD|High: $136,058 USD|Avg: $60,446 USD|-42.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$47,298 USD
Retailer 10$48,008 USD
Retailer 4$49,372 USD
Retailer 2$50,930 USD
Retailer 8$52,087 USD
Retailer 5$53,044 USD
Retailer 6$55,084 USD
Retailer 9$56,104 USD
Retailer 3$59,147 USD
MOH London$78,094 USD

31 data points across 10 retailers

10 retailers$47,298 USD to $78,094 USD

A
Cheapest Retailer
-
$47,298 USD
CA$65,692 CAD
A
Retailer 2
-
$48,008 USD
View
A
Retailer 3
-
$49,372 USD
View
A
Retailer 4
-
$50,930 USD
£40,102 GBP
View
A
Retailer 5
-
$52,087 USD
View
A
Retailer 6
-
$53,044 USD
View
B+
Retailer 7
-
$55,084 USD
View
B+
Retailer 8
-
$56,104 USD
View
B+
Retailer 9
-
$59,147 USD
€56,330 EUR
View
Most Expensive
B
MOH London
789FC819A · Nov 1
$78,094 USD
£61,491 GBP
View
9 more retailers have this diamond
Prices start from $47,298 USDSave up to $30,795 USD

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
$47,298 USD