Round|Natural|IGI

4.02ct H I1 Round Natural Diamond

EX • H/I1 • IGI 839695428

Shape and cutting style on the report: Round brilliant

Certificate IGI 839695428

Diamond specifications and retailer prices

From £15,250 GBP
₹1,946,084 INR
As of October 31, 2026
Save £9,508 GBP (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £24,759 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 4.02ct natural round diamond

This 4.02ct natural round sits in the three to five carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 839695428. Listed at 7 retailers as of October 30, 2026, with prices from £15,250 to £24,759, a £9,508 spread on the same certified stone. NZ Jewellers lists it at £24,759. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.02
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 839695428
Dimensions10.09 × 10.13 × 6.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
10.09 mm10.13 mm4.02 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839695428
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 41.2°CuletDepth 62.6%

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 31
Current: £24,759 GBP|Low: £15,211 GBP|High: £25,880 GBP|Avg: £20,108 GBP|-4.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£15,250 GBP
Retailer 7£17,110 GBP
Retailer 3£18,487 GBP
Retailer 5£20,256 GBP
Retailer 6£20,899 GBP
Retailer 4£21,703 GBP
NZ Jewellers£24,759 GBP

26 data points across 7 retailers

7 retailers£15,250 GBP to £24,759 GBP

A
Cheapest Retailer
-
£15,250 GBP
₹1,946,084 INR
A
Retailer 2
-
£17,110 GBP
$22,925 USD
View
B+
Retailer 3
-
£18,487 GBP
$24,771 USD
View
Final sale: no returns
B+
Retailer 4
-
£20,256 GBP
$27,141 USD
View
A
Retailer 5
-
£20,899 GBP
$28,002 USD
View
B+
Retailer 6
-
£21,703 GBP
$29,079 USD
View
Most Expensive
B+
NZ Jewellers
7123b2c2-d9f6-4324-bdaa-a52426ce0c88 · Oct 30
£24,759 GBP
$33,174 USD
View
6 more retailers have this diamond
Prices start from £15,250 GBPSave up to £9,508 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 Round
£15,250 GBP