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5.01ct M SI1 Round Natural Diamond

EX • M/SI1 • HRD 260000123889

Certificate HRD 260000123889

Diamond specifications and retailer prices

From £18,885 GBP
As of November 4, 2026
Save £4,199 GBP (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £23,084 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 5.01ct natural round diamond

This 5.01ct natural round sits in the over five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000123889. Listed at 5 retailers as of November 4, 2026, with prices from £18,885 to £23,084, a £4,199 spread on the same certified stone. NZ Jewellers lists it at £23,084. 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

5.01
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.2°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 260000123889
Dimensions10.85 × 10.78 × 6.79 mm
L/W Ratio1.01
Star length50%
Top View
10.85 mm10.78 mm5.01 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 260000123889
Side View
Table 58.0%Crown 36.2°GirdlePavilion 40.9°CuletDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £23,084 GBP|Low: £17,673 GBP|High: £23,084 GBP|Avg: £19,711 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£17,986 GBP
Retailer 3£18,885 GBP
Retailer 4£19,485 GBP
Retailer 2£19,642 GBP
Retailer 5£20,235 GBP
NZ Jewellers£23,084 GBP

16 data points across 6 retailers

5 retailers£18,885 GBP to £23,084 GBP

B+
Cheapest Retailer
-
£18,885 GBP
B+
Retailer 2
-
£19,485 GBP
View
B+
Retailer 3
-
£19,642 GBP
View
B+
Retailer 4
-
£20,235 GBP
View
Most Expensive
B+
NZ Jewellers
48736429-0f8b-4b02-a030-e76c379f943e · Nov 5
£23,084 GBP
$31,069 USD
View
4 more retailers have this diamond
Prices start from £18,885 GBPSave up to £4,199 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.

B+
5.01ct Round
£18,885 GBP