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Heart|Natural|IGI

1.02ct H SI1 Heart Natural Diamond

VG • H/SI1 • IGI 735524151

Shape and cutting style on the report: Heart brilliant

Certificate IGI 735524151

Diamond specifications and retailer prices

From £942 GBP
As of November 4, 2026
Save £1,538 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,480 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 735524151. Listed at 13 retailers as of November 4, 2026, with prices from £942 to £2,480, a £1,538 spread on the same certified stone. NZ Jewellers lists it at £2,480. 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

1.02
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.6°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 735524151
Dimensions5.99 × 6.99 × 4.04 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
5.99 mm6.99 mm1.02 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 735524151
Side View
Table 59.0%Crown 36.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 57.8%

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 4
Current: £986 GBP|Low: £942 GBP|High: £1,884 GBP|Avg: £1,202 GBP|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£942 GBP
Retailer 1£986 GBP
Retailer 7£1,064 GBP
Retailer 6£1,098 GBP
Retailer 2£1,141 GBP
Retailer 8£1,157 GBP
Retailer 3£1,241 GBP
Retailer 5£1,857 GBP

45 data points across 8 retailers

13 retailers£942 GBP to £2,480 GBP

A
Cheapest Retailer
-
£942 GBP
A
Retailer 2
-
£986 GBP
View
Retailer 3
-
£1,017 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£1,017 GBP
View
B+
Retailer 5
-
£1,064 GBP
View
B+
Retailer 6
-
£1,098 GBP
View
B+
Retailer 7
-
£1,118 GBP
View
B+
Retailer 8
-
£1,141 GBP
View
Retailer 9
-
£1,157 GBP
View
Price last confirmed 41 days ago
B+
Retailer 10
-
£1,173 GBP
View
B+
Retailer 11
-
£1,241 GBP
View
B
Retailer 12
-
£1,857 GBP
View
Most Expensive
B
NZ Jewellers
a5df62f8-c914-4490-aadf-2d8748f637e8 · Nov 5
£2,480 GBP
$3,320 USD
View
12 more retailers have this diamond
Prices start from £942 GBPSave up to £1,538 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
1.02ct Heart
£942 GBP