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Heart|Natural|IGI

0.75ct I SI2 Heart Natural Diamond

EX • I/SI2 • IGI 457054624

Shape and cutting style on the report: Heart brilliant

Certificate IGI 457054624

Diamond specifications and retailer prices

From £607 GBP
As of November 5, 2026
Save £1,254 GBP (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,861 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.75ct natural heart diamond

This 0.75ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 457054624. Listed at 10 retailers as of November 5, 2026, with prices from £607 to £1,861, a £1,254 spread on the same certified stone. NZ Jewellers lists it at £1,861. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.75
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle36.1°
OriginNatural
Grading LabIGI
CertificateIGI 457054624
Dimensions6.00 × 6.40 × 3.33 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeMedium Natural
Top View
6.00 mm6.40 mm0.75 ctI / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI 457054624
Side View
Table 59.5%Crown 38.5°Girdle: STK-VTKPavilion 36.1°Culet: NoneDepth 52.0%

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: £1,861 GBP|Low: £419 GBP|High: £1,861 GBP|Avg: £828 GBP
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
November 6, 2026
Retailer 5£419 GBP
Retailer 9£607 GBP
Retailer 13£607 GBP
Retailer 10£616 GBP
Retailer 11£631 GBP
Retailer 7£694 GBP
Retailer 12£713 GBP
Retailer 2£776 GBP
Retailer 6£828 GBP
Retailer 3£864 GBP
Retailer 4£959 GBP
Retailer 8£1,086 GBP
NZ Jewellers£1,861 GBP

41 data points across 13 retailers

10 retailers£607 GBP to £1,861 GBP

B+
Cheapest Retailer
-
£607 GBP
Retailer 2
-
£607 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£616 GBP
View
B+
Retailer 4
-
£631 GBP
View
B+
Retailer 5
-
£694 GBP
View
B+
Retailer 6
-
£713 GBP
View
B+
Retailer 7
-
£776 GBP
View
B+
Retailer 8
-
£828 GBP
View
B
Retailer 9
-
£1,086 GBP
View
Most Expensive
C
NZ Jewellers
36abe611-beb2-4b51-8570-51f308f2887c · Nov 5
£1,861 GBP
$2,491 USD
View
9 more retailers have this diamond
Prices start from £607 GBPSave up to £1,254 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+
0.75ct Heart
£607 GBP