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Radiant|Natural|GIA

4.02ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2245091298

Certificate GIA 2245091298

Diamond specifications and retailer prices

From £27,704 GBP
HK$290,000 HKD
As of November 1, 2026
Save £28,155 GBP (50%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £55,858 GBP at With Clarity · As of November 1, 2026
View at With Clarity

About this 4.02ct natural radiant diamond

This 4.02ct natural radiant sits in the three to five carat band, graded J 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 2245091298. Listed at 21 retailers as of November 1, 2026, with prices from £27,704 to £55,858, a £28,155 spread on the same certified stone. With Clarity lists it at £55,858. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.68°
Pavilion angle54.74°
OriginNatural
Grading LabGIA
CertificateGIA 2245091298
Dimensions10.78 × 8.18 × 5.52 mm
L/W Ratio1.32
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.78 mm8.18 mm4.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245091298
Side View
Table 67.0%Crown 44.68°Girdle: MED-MEDPavilion 54.74°Culet: NoneDepth 67.5%

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 1
Current: £33,390 GBP|Low: £27,704 GBP|High: £55,858 GBP|Avg: £35,449 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 2, 2026
Retailer 9£27,704 GBP
Retailer 14£27,896 GBP
Retailer 2£30,726 GBP
Retailer 13£30,960 GBP
Retailer 4£31,079 GBP
Retailer 19£31,997 GBP
Retailer 18£32,574 GBP
Retailer 8£32,857 GBP
Retailer 6£32,946 GBP
Retailer 1£33,390 GBP
Retailer 7£33,905 GBP
Retailer 10£35,318 GBP
Retailer 11£36,731 GBP
Retailer 12£37,258 GBP
Retailer 5£37,469 GBP
Retailer 3£37,760 GBP
Retailer 17£38,143 GBP
Retailer 16£38,493 GBP
Retailer 15£47,972 GBP
With Clarity£55,858 GBP

6 data points across 20 retailers

21 retailers£27,704 GBP to £55,858 GBP

A
Cheapest Retailer
-
£27,704 GBP
HK$290,000 HKD
A
Retailer 2
-
£27,896 GBP
₹3,559,720 INR
View
B+
Retailer 3
-
£30,726 GBP
$41,170 USD
View
B+
Retailer 4
-
£30,759 GBP
A$63,406 AUD
View
A
Retailer 5
-
£30,960 GBP
View
B+
Retailer 6
-
£31,079 GBP
$41,643 USD
View
Final sale: no returns
B+
Retailer 7
-
£31,997 GBP
$42,872 USD
View
B+
Retailer 8
-
£32,574 GBP
$43,645 USD
View
B+
Retailer 9
-
£32,857 GBP
$44,025 USD
View
B+
Retailer 10
-
£32,946 GBP
$44,144 USD
View
B+
Retailer 11
-
£33,390 GBP
View
B+
Retailer 12
-
£33,905 GBP
$45,429 USD
View
B+
Retailer 13
-
£35,318 GBP
$47,322 USD
View
B+
Retailer 14
-
£36,731 GBP
$49,215 USD
View
B+
Retailer 15
-
£37,258 GBP
€47,545 EUR
View
B
Retailer 16
-
£37,469 GBP
$50,205 USD
View
B
Retailer 17
-
£37,760 GBP
$50,594 USD
View
B
Retailer 18
-
£38,143 GBP
$51,108 USD
View
B
Retailer 19
-
£38,493 GBP
ZAR 833,212 ZAR
View
B
Retailer 20
-
£47,972 GBP
View
Most Expensive
B
With Clarity
2245091298 · Nov 1
£55,858 GBP
$74,844 USD
View
20 more retailers have this diamond
Prices start from £27,704 GBPSave up to £28,155 GBP

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
£27,704 GBP