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Heart|Natural|IGI

1.50ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 768623506

Shape and cutting style on the report: Heart brilliant

Certificate IGI 768623506

Diamond specifications and retailer prices

From $4,255 NZD
As of November 6, 2026
Save $6,191 NZD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,446 NZD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 768623506. Listed at 11 retailers as of November 3, 2026, with prices from $4,255 to $10,446, a $6,191 spread on the same certified stone. NZ Jewellers lists it at $10,446. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 768623506
Dimensions7.24 × 7.89 × 4.41 mm
L/W Ratio1.09
Girdle conditionFaceted
Top View
7.24 mm7.89 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768623506
Side View
Table 60.0%Crown 35.9°Girdle: MED-THKPavilion 38.4°CuletDepth 55.9%

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: $4,255 NZD|Low: $4,255 NZD|High: $8,859 NZD|Avg: $5,888 NZD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$4,255 NZD
Retailer 2$4,847 NZD
Retailer 6$4,997 NZD
Retailer 4$6,097 NZD
Retailer 3$6,178 NZD
Retailer 5$8,753 NZD

37 data points across 6 retailers

11 retailers$4,255 NZD to $10,446 NZD

A
Cheapest Retailer
-
$4,255 NZD
B+
Retailer 2
-
$4,847 NZD
View
B+
Retailer 3
-
$4,997 NZD
View
B+
Retailer 4
-
$4,997 NZD
View
B+
Retailer 5
-
$5,188 NZD
View
B+
Retailer 6
-
$5,251 NZD
View
B+
Retailer 7
-
$5,765 NZD
View
B+
Retailer 8
-
$6,097 NZD
View
B+
Retailer 9
-
$6,178 NZD
View
B
Retailer 10
-
$8,753 NZD
View
Most Expensive
C
NZ Jewellers
848a1b9b-f52f-4380-9d0e-bdc63a0db54d · Nov 3
$10,446 NZD
$5,791 USD
View
10 more retailers have this diamond
Prices start from $4,255 NZDSave up to $6,191 NZD

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
1.50ct Heart
$4,255 NZD