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4.20ct I IF Round Natural Diamond

EX • I/IF • HRD 250000241573

Certificate HRD 250000241573

Diamond specifications and retailer prices

From £27,051 GBP
As of October 31, 2026
Save £21,817 GBP (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £48,867 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 4.2ct natural round diamond

This 4.2ct natural round sits in the three to five carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by HRD 250000241573. Listed at 4 retailers as of October 31, 2026, with prices from £27,051 to £48,867, a £21,817 spread on the same certified stone. MOH London lists it at £48,867. 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

4.20
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.1°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 250000241573
Dimensions10.27 × 10.21 × 6.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
10.27 mm10.21 mm4.20 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 250000241573
Side View
Table 59.0%Crown 36.1°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.3%

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: £48,867 GBP|Low: £26,989 GBP|High: £51,153 GBP|Avg: £37,231 GBP|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£27,051 GBP
Retailer 2£31,540 GBP
Retailer 4£36,783 GBP
MOH London£48,867 GBP

43 data points across 4 retailers

4 retailers£27,051 GBP to £48,867 GBP

A
Cheapest Retailer
-
£27,051 GBP
A
Retailer 2
-
£31,540 GBP
View
A
Retailer 3
-
£36,783 GBP
View
Most Expensive
A
MOH London
5D0C302B9 · Nov 2
£48,867 GBP
View
3 more retailers have this diamond
Prices start from £27,051 GBPSave up to £21,817 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
4.20ct Round
£27,051 GBP