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Heart|Natural|HRD

1.03ct G SI2 Heart Natural Diamond

EX • G/SI2 • HRD 250000007541

Certificate HRD 250000007541

Diamond specifications and retailer prices

From £870 GBP
As of November 6, 2026
Save £1,430 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,300 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000007541. Listed at 7 retailers as of November 5, 2026, with prices from £870 to £2,300, a £1,430 spread on the same certified stone. NZ Jewellers lists it at £2,300. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.78°
Pavilion angle43.53°
OriginNatural
Grading LabHRD
CertificateHRD 250000007541
Dimensions6.05 × 6.90 × 4.21 mm
L/W Ratio1.14
Star length48%
Culet sizeNone
Top View
6.05 mm6.90 mm1.03 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000007541
Side View
Table 58.0%Crown 36.78°Girdle: MediumPavilion 43.53°Culet: NoneDepth 61.0%

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 6
Current: £2,300 GBP|Low: £743 GBP|High: £2,300 GBP|Avg: £1,191 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 9£743 GBP
Retailer 3£870 GBP
Retailer 5£943 GBP
Retailer 4£979 GBP
Retailer 6£996 GBP
Retailer 7£1,043 GBP
Retailer 8£1,088 GBP
Retailer 2£1,722 GBP
NZ Jewellers£2,300 GBP

9 data points across 9 retailers

7 retailers£870 GBP to £2,300 GBP

A
Cheapest Retailer
-
£870 GBP
Final sale: no returns
A
Retailer 2
-
£943 GBP
View
A
Retailer 3
-
£979 GBP
View
A
Retailer 4
-
£1,043 GBP
View
A
Retailer 5
-
£1,088 GBP
View
B+
Retailer 6
-
£1,722 GBP
View
Most Expensive
B
NZ Jewellers
394084fd-051b-459e-89fc-6c5fc42156b1 · Nov 5
£2,300 GBP
$3,078 USD
View
6 more retailers have this diamond
Prices start from £870 GBPSave up to £1,430 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 Heart
£870 GBP