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Heart|Natural|IGI

1.01ct J SI2 Heart Natural Diamond

VG • J/SI2 • IGI 788607588

Shape and cutting style on the report: Heart brilliant

Certificate IGI 788607588

Diamond specifications and retailer prices

From £699 GBP
As of November 4, 2026
Save £1,148 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,846 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607588. Listed at 13 retailers as of November 4, 2026, with prices from £699 to £1,846, a £1,148 spread on the same certified stone. NZ Jewellers lists it at £1,846. 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

1.01
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.8°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 788607588
Dimensions5.85 × 6.90 × 4.12 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
5.85 mm6.90 mm1.01 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 788607588
Side View
Table 59.0%Crown 35.8°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 59.7%

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: £1,846 GBP|Low: £659 GBP|High: £1,901 GBP|Avg: £970 GBP|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£699 GBP
Retailer 2£730 GBP
Retailer 5£743 GBP
Retailer 9£757 GBP
Retailer 4£779 GBP
Retailer 12£783 GBP
Retailer 10£786 GBP
Retailer 11£838 GBP
Retailer 6£845 GBP
Retailer 7£861 GBP
Retailer 8£1,384 GBP
NZ Jewellers£1,846 GBP

46 data points across 12 retailers

13 retailers£699 GBP to £1,846 GBP

A
Cheapest Retailer
-
£699 GBP
Final sale: no returns
A
Retailer 2
-
£730 GBP
View
A
Retailer 3
-
£743 GBP
View
A
Retailer 4
-
£757 GBP
View
Retailer 5
-
£779 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£779 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£783 GBP
View
A
Retailer 8
-
£786 GBP
View
B+
Retailer 9
-
£838 GBP
View
B+
Retailer 10
-
£845 GBP
View
B+
Retailer 11
-
£861 GBP
View
B
Retailer 12
-
£1,384 GBP
View
Most Expensive
B
NZ Jewellers
c878000c-34ec-4765-9963-0022918c9cb8 · Nov 5
£1,846 GBP
$2,471 USD
View
12 more retailers have this diamond
Prices start from £699 GBPSave up to £1,148 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
1.01ct Heart
£699 GBP