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Heart|Natural|IGI

1.50ct K SI2 Heart Natural Diamond

VG • K/SI2 • IGI 743535107

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743535107

Diamond specifications and retailer prices

From £1,701 GBP
As of November 4, 2026
Save £2,235 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,937 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743535107. Listed at 13 retailers as of November 4, 2026, with prices from £1,701 to £3,937, a £2,235 spread on the same certified stone. NZ Jewellers lists it at £3,937. 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

1.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.9°
Pavilion angle37.1°
OriginNatural
Grading LabIGI
CertificateIGI 743535107
Dimensions7.40 × 7.70 × 4.48 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
7.40 mm7.70 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743535107
Side View
Table 61.0%Crown 37.9°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 58.2%

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 4
Current: £3,937 GBP|Low: £1,325 GBP|High: £3,937 GBP|Avg: £2,132 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£1,325 GBP
Retailer 7£1,701 GBP
Retailer 11£1,775 GBP
Retailer 3£1,883 GBP
Retailer 8£1,883 GBP
Retailer 10£1,969 GBP
Retailer 9£1,981 GBP
Retailer 13£1,987 GBP
Retailer 12£2,173 GBP
Retailer 4£2,244 GBP
Retailer 2£2,338 GBP
Retailer 6£3,290 GBP
NZ Jewellers£3,937 GBP

26 data points across 13 retailers

13 retailers£1,701 GBP to £3,937 GBP

B+
Cheapest Retailer
-
£1,701 GBP
B+
Retailer 2
-
£1,775 GBP
View
B+
Retailer 3
-
£1,883 GBP
View
Retailer 4
-
£1,883 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£1,886 GBP
View
Price last confirmed 54 days ago
B+
Retailer 6
-
£1,969 GBP
View
B+
Retailer 7
-
£1,981 GBP
View
B+
Retailer 8
-
£1,987 GBP
View
B+
Retailer 9
-
£2,173 GBP
View
Retailer 10
-
£2,176 GBP
View
Price last confirmed 62 days ago
B+
Retailer 11
-
£2,338 GBP
View
B
Retailer 12
-
£3,290 GBP
View
Most Expensive
B
NZ Jewellers
838a25a5-dac6-4b27-bca2-ee3df39fa1a0 · Nov 5
£3,937 GBP
$5,269 USD
View
12 more retailers have this diamond
Prices start from £1,701 GBPSave up to £2,235 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+
1.50ct Heart
£1,701 GBP