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Heart|Natural|IGI

0.71ct E SI1 Heart Natural Diamond

VG • E/SI1 • IGI 780654458

Shape and cutting style on the report: Heart brilliant

Certificate IGI 780654458

Diamond specifications and retailer prices

From £409 GBP
As of November 6, 2026
Save £1,288 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,697 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.71ct natural heart diamond

This 0.71ct natural heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 780654458. Listed at 12 retailers as of November 5, 2026, with prices from £409 to £1,697, a £1,288 spread on the same certified stone. NZ Jewellers lists it at £1,697. 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

0.71
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 780654458
Dimensions5.10 × 6.15 × 3.75 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Top View
5.10 mm6.15 mm0.71 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 780654458
Side View
Table 60.0%Crown 35.5°Girdle: THK-VTKPavilion 40.6°Culet: NoneDepth 61.0%

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: £1,697 GBP|Low: £409 GBP|High: £2,180 GBP|Avg: £970 GBP|-22.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2£409 GBP
Retailer 14£541 GBP
Retailer 15£562 GBP
Retailer 3£625 GBP
Retailer 4£625 GBP
Retailer 11£640 GBP
Retailer 9£658 GBP
Retailer 12£660 GBP
Retailer 13£672 GBP
Retailer 8£678 GBP
Retailer 5£703 GBP
Retailer 10£808 GBP
Retailer 7£1,184 GBP
Retailer 6£1,285 GBP
NZ Jewellers£1,697 GBP

28 data points across 15 retailers

12 retailers£409 GBP to £1,697 GBP

A
Cheapest Retailer
-
£409 GBP
A
Retailer 2
-
£541 GBP
View
A
Retailer 3
-
£562 GBP
View
B+
Retailer 4
-
£625 GBP
View
Retailer 5
-
£625 GBP
View
Price last confirmed 23 days ago
B+
Retailer 6
-
£640 GBP
View
B+
Retailer 7
-
£658 GBP
View
B+
Retailer 8
-
£660 GBP
View
B+
Retailer 9
-
£672 GBP
View
B+
Retailer 10
-
£678 GBP
View
B
Retailer 11
-
£808 GBP
View
Most Expensive
C
NZ Jewellers
728449de-9b40-453e-bec6-e40ce0ae1460 · Nov 5
£1,697 GBP
$2,272 USD
View
11 more retailers have this diamond
Prices start from £409 GBPSave up to £1,288 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
0.71ct Heart
£409 GBP