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Heart|Natural|IGI

1.03ct H SI2 Heart Natural Diamond

VG • H/SI2 • IGI 713520845

Shape and cutting style on the report: Heart brilliant

Certificate IGI 713520845

Diamond specifications and retailer prices

From £951 GBP
As of November 6, 2026
Save £1,564 GBP (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,516 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 713520845. Listed at 15 retailers as of November 5, 2026, with prices from £951 to £2,516, a £1,564 spread on the same certified stone. NZ Jewellers lists it at £2,516. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle36.6°
OriginNatural
Grading LabIGI
CertificateIGI 713520845
Dimensions6.48 × 7.14 × 3.78 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.48 mm7.14 mm1.03 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713520845
Side View
Table 57.0%Crown 33.2°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 52.9%

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 6
Current: £2,516 GBP|Low: £951 GBP|High: £2,516 GBP|Avg: £1,324 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9£951 GBP
Retailer 2£1,014 GBP
Retailer 7£1,031 GBP
Retailer 8£1,031 GBP
Retailer 6£1,079 GBP
Retailer 4£1,190 GBP
Retailer 3£1,429 GBP
Retailer 5£1,883 GBP
NZ Jewellers£2,516 GBP

43 data points across 9 retailers

15 retailers£951 GBP to £2,516 GBP

A
Cheapest Retailer
-
£951 GBP
Final sale: no returns
A
Retailer 2
-
£956 GBP
View
A
Retailer 3
-
£1,014 GBP
View
A
Retailer 4
-
£1,031 GBP
View
Retailer 5
-
£1,031 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£1,046 GBP
View
B+
Retailer 7
-
£1,057 GBP
View
A
Retailer 8
-
£1,079 GBP
View
B+
Retailer 9
-
£1,132 GBP
View
Retailer 10
-
£1,174 GBP
View
Price last confirmed 42 days ago
B+
Retailer 11
-
£1,190 GBP
View
B+
Retailer 12
-
£1,429 GBP
View
B
Retailer 13
-
£1,574 GBP
View
B
Retailer 14
-
£1,883 GBP
View
Most Expensive
B
NZ Jewellers
6dbbe9b4-4cf9-4008-b057-1c320102b160 · Nov 5
£2,516 GBP
$3,367 USD
View
14 more retailers have this diamond
Prices start from £951 GBPSave up to £1,564 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
£951 GBP