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Heart|Natural|IGI

0.71ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 754531528

Shape and cutting style on the report: Heart brilliant

Certificate IGI 754531528

Diamond specifications and retailer prices

From £472 GBP
SGD 855 SGD
As of October 31, 2026
Save £1,040 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,512 GBP at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 754531528. Listed at 13 retailers as of October 30, 2026, with prices from £472 to £1,512, a £1,040 spread on the same certified stone. NZ Jewellers lists it at £1,512. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.9°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 754531528
Dimensions5.17 × 6.11 × 3.68 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
5.17 mm6.11 mm0.71 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 754531528
Side View
Table 61.0%Crown 35.9°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.2%

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: Oct 31
Current: £1,512 GBP|Low: £472 GBP|High: £1,550 GBP|Avg: £696 GBP|-2.5%
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 2, 2026
Retailer 8£472 GBP
Retailer 4£478 GBP
Retailer 5£481 GBP
Retailer 10£520 GBP
Retailer 11£520 GBP
Retailer 2£553 GBP
Retailer 6£619 GBP
Retailer 12£647 GBP
Retailer 9£720 GBP
Retailer 3£729 GBP
Retailer 7£1,112 GBP
NZ Jewellers£1,512 GBP

27 data points across 12 retailers

13 retailers£472 GBP to £1,512 GBP

A
Cheapest Retailer
-
£472 GBP
SGD 855 SGD
B+
Retailer 2
-
£478 GBP
$641 USD
View
Final sale: no returns
B+
Retailer 3
-
£481 GBP
$645 USD
View
B+
Retailer 4
-
£520 GBP
$697 USD
View
B+
Retailer 5
-
£520 GBP
$697 USD
View
B+
Retailer 6
-
£553 GBP
View
B
Retailer 7
-
£619 GBP
$830 USD
View
B
Retailer 8
-
£647 GBP
€826 EUR
View
B
Retailer 9
-
£650 GBP
$871 USD
View
B
Retailer 10
-
£720 GBP
ZAR 15,588 ZAR
View
B
Retailer 11
-
£729 GBP
$976 USD
View
B
Retailer 12
-
£1,112 GBP
View
Most Expensive
C
NZ Jewellers
870d8703-06e7-45f3-8e70-11365fdc2d74 · Oct 30
£1,512 GBP
$2,026 USD
View
12 more retailers have this diamond
Prices start from £472 GBPSave up to £1,040 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
£472 GBP