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6.20ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 702546880

Shape and cutting style on the report: Round brilliant

Certificate IGI 702546880

Diamond specifications and retailer prices

From £28,280 GBP
As of November 1, 2026
Save £23,022 GBP (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £51,302 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 6.2ct natural round diamond

This 6.2ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 702546880. Listed at 14 retailers as of November 1, 2026, with prices from £28,280 to £51,302, a £23,022 spread on the same certified stone. MOH London lists it at £51,302. 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

6.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 702546880
Dimensions11.59 × 11.51 × 7.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.59 mm11.51 mm6.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 702546880
Side View
Table 59.0%Crown 36.6°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 63.6%

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: Nov 1
Current: £51,302 GBP|Low: £28,214 GBP|High: £51,920 GBP|Avg: £36,466 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£28,280 GBP
Retailer 9£31,001 GBP
Retailer 6£32,860 GBP
Retailer 3£33,096 GBP
Retailer 8£36,191 GBP
Retailer 7£37,623 GBP
Retailer 2£38,419 GBP
Retailer 5£39,745 GBP
MOH London£51,302 GBP

34 data points across 9 retailers

14 retailers£28,280 GBP to £51,302 GBP

A
Cheapest Retailer
-
£28,280 GBP
A
Retailer 2
-
£31,001 GBP
View
A
Retailer 3
-
£32,860 GBP
View
A
Retailer 4
-
£33,096 GBP
View
Retailer 5
-
£34,218 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
£36,191 GBP
View
Retailer 7
-
£36,259 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£37,623 GBP
View
Retailer 9
-
£37,770 GBP
View
Price last confirmed 12 days ago
A
Retailer 10
-
£38,419 GBP
View
Retailer 11
-
£39,281 GBP
View
Price last confirmed 11 days ago
A
Retailer 12
-
£39,745 GBP
View
Retailer 13
-
£40,792 GBP
View
Price last confirmed 14 days ago
Most Expensive
B+
MOH London
B53455241 · Nov 2
£51,302 GBP
View
13 more retailers have this diamond
Prices start from £28,280 GBPSave up to £23,022 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
6.20ct Round
£28,280 GBP