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6.05ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 819639937

Shape and cutting style on the report: Round brilliant

Certificate IGI 819639937

Diamond specifications and retailer prices

From £23,421 GBP
SGD 42,407 SGD
As of October 29, 2026
Save £16,350 GBP (41%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £39,770 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 6.05ct natural round diamond

This 6.05ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819639937. Listed at 8 retailers as of October 29, 2026, with prices from £23,421 to £39,770, a £16,350 spread on the same certified stone. MOH London lists it at £39,770. 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

6.05
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 819639937
Dimensions11.49 × 11.57 × 7.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
11.49 mm11.57 mm6.05 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819639937
Side View
Table 57.0%Crown 36.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £39,770 GBP|Low: £26,385 GBP|High: £51,413 GBP|Avg: £34,967 GBP|-17.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7£26,385 GBP
Retailer 4£27,898 GBP
Retailer 3£29,124 GBP
Retailer 6£30,025 GBP
Retailer 5£30,289 GBP
Retailer 2£31,376 GBP
MOH London£39,770 GBP

36 data points across 7 retailers

8 retailers£23,421 GBP to £39,770 GBP

A
Cheapest Retailer
-
£23,421 GBP
SGD 42,407 SGD
Retailer 2
-
£26,385 GBP
$35,353 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£27,898 GBP
View
A
Retailer 4
-
£29,124 GBP
$39,023 USD
View
A
Retailer 5
-
£30,025 GBP
$40,230 USD
View
A
Retailer 6
-
£30,289 GBP
$40,584 USD
View
A
Retailer 7
-
£31,376 GBP
€40,038 EUR
View
Most Expensive
A
MOH London
3FD417B98 · Oct 29
£39,770 GBP
View
7 more retailers have this diamond
Prices start from £23,421 GBPSave up to £16,350 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
6.05ct Round
£23,421 GBP