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Heart|Natural|IGI

1.03ct L SI2 Heart Natural Diamond

VG • L/SI2 • IGI 671474715

Shape and cutting style on the report: Heart brilliant

Certificate IGI 671474715

Diamond specifications and retailer prices

From £640 GBP
As of November 5, 2026
Save £1,368 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,008 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 671474715. Listed at 10 retailers as of November 5, 2026, with prices from £640 to £2,008, a £1,368 spread on the same certified stone. NZ Jewellers lists it at £2,008. 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
L
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 671474715
Dimensions5.96 × 7.04 × 4.25 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
5.96 mm7.04 mm1.03 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474715
Side View
Table 62.0%Crown 40.6°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 60.4%

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 5
Current: £659 GBP|Low: £451 GBP|High: £812 GBP|Avg: £688 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 26, 2026
Retailer 9£451 GBP
Retailer 6£640 GBP
Retailer 8£648 GBP
Retailer 1£659 GBP
Retailer 2£725 GBP
Retailer 3£739 GBP
Retailer 4£740 GBP
Retailer 5£761 GBP
Retailer 7£812 GBP

2 data points across 9 retailers

10 retailers£640 GBP to £2,008 GBP

Retailer 1
-
£640 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£640 GBP
View
B+
Retailer 3
-
£648 GBP
View
B+
Retailer 4
-
£659 GBP
View
B+
Retailer 5
-
£665 GBP
View
B+
Retailer 6
-
£725 GBP
View
Retailer 7
-
£739 GBP
View
Price last confirmed 61 days ago
B+
Retailer 8
-
£739 GBP
View
B+
Retailer 9
-
£740 GBP
View
Most Expensive
C
NZ Jewellers
c7dafe06-9f00-4e10-acad-5a9cb1733f20 · Nov 5
£2,008 GBP
$2,688 USD
View
9 more retailers have this diamond
Prices start from £640 GBPSave up to £1,368 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+
1.03ct Heart
£640 GBP