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1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • HRD 260000238979

Certificate HRD 260000238979

Diamond specifications and retailer prices

From £1,305 GBP
As of November 5, 2026
Save £2,092 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,397 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000238979. Listed at 13 retailers as of November 5, 2026, with prices from £1,305 to £3,397, a £2,092 spread on the same certified stone. NZ Jewellers lists it at £3,397. 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

1.03
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 260000238979
Dimensions6.43 × 6.46 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.43 mm6.46 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000238979
Side View
Table 59.0%Crown 36.6°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.0%

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: Nov 5
Current: £3,397 GBP|Low: £1,120 GBP|High: £3,649 GBP|Avg: £1,823 GBP|-6.9%
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
Retailer 14
November 5, 2026
Retailer 6£1,121 GBP
Retailer 8£1,305 GBP
Retailer 9£1,482 GBP
Retailer 5£1,499 GBP
Retailer 13£1,500 GBP
Retailer 14£1,625 GBP
Retailer 3£1,672 GBP
Retailer 11£1,700 GBP
Retailer 2£1,848 GBP
Retailer 12£1,875 GBP
Retailer 7£1,892 GBP
Retailer 4£2,112 GBP
Retailer 10£2,838 GBP
NZ Jewellers£3,397 GBP

34 data points across 14 retailers

13 retailers£1,305 GBP to £3,397 GBP

Retailer 1
-
£1,121 GBP
Price last confirmed 17 days ago
A
Retailer 2
-
£1,305 GBP
View
A
Retailer 3
-
£1,482 GBP
View
A
Retailer 4
-
£1,500 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,625 GBP
View
A
Retailer 6
-
£1,672 GBP
View
A
Retailer 7
-
£1,700 GBP
View
A
Retailer 8
-
£1,848 GBP
View
B+
Retailer 9
-
£1,875 GBP
View
B+
Retailer 10
-
£1,892 GBP
View
Retailer 11
-
£2,112 GBP
View
Price last confirmed 16 days ago
B
Retailer 12
-
£2,838 GBP
View
Most Expensive
B
NZ Jewellers
7c614c27-854f-48ad-b378-bdf17a33248f · Nov 5
£3,397 GBP
$4,547 USD
View
12 more retailers have this diamond
Prices start from £1,305 GBPSave up to £2,092 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
1.03ct Round
£1,305 GBP