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1.01ct I SI2 Round Natural Diamond

EX • I/SI2 • HRD 260000217459

Certificate HRD 260000217459

Diamond specifications and retailer prices

From £788 GBP
As of November 5, 2026
Save £1,757 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,545 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000217459. Listed at 14 retailers as of November 5, 2026, with prices from £788 to £2,545, a £1,757 spread on the same certified stone. NZ Jewellers lists it at £2,545. 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

1.01
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginNatural
Grading LabHRD
CertificateHRD 260000217459
Dimensions6.41 × 6.35 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.41 mm6.35 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000217459
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 41.1°Culet: NoneDepth 63.0%

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 5
Current: £2,545 GBP|Low: £788 GBP|High: £2,652 GBP|Avg: £1,352 GBP|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 8£788 GBP
Retailer 9£960 GBP
Retailer 4£963 GBP
Retailer 11£976 GBP
Retailer 10£1,044 GBP
Retailer 13£1,092 GBP
Retailer 3£1,204 GBP
Retailer 7£1,241 GBP
Retailer 2£1,360 GBP
Retailer 5£1,502 GBP
Retailer 6£1,721 GBP
Retailer 12£1,907 GBP
NZ Jewellers£2,545 GBP

40 data points across 13 retailers

14 retailers£788 GBP to £2,545 GBP

A
Cheapest Retailer
-
£788 GBP
A
Retailer 2
-
£960 GBP
View
A
Retailer 3
-
£963 GBP
View
Final sale: no returns
A
Retailer 4
-
£976 GBP
View
A
Retailer 5
-
£976 GBP
View
A
Retailer 6
-
£1,044 GBP
View
A
Retailer 7
-
£1,092 GBP
View
A
Retailer 8
-
£1,204 GBP
View
A
Retailer 9
-
£1,241 GBP
View
A
Retailer 10
-
£1,360 GBP
View
A
Retailer 11
-
£1,502 GBP
View
B+
Retailer 12
-
£1,721 GBP
View
B+
Retailer 13
-
£1,907 GBP
View
Most Expensive
B
NZ Jewellers
e29dfb58-673e-4304-a4e5-bd34b792b448 · Nov 5
£2,545 GBP
$3,426 USD
View
13 more retailers have this diamond
Prices start from £788 GBPSave up to £1,757 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
1.01ct Round
£788 GBP