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Heart|Natural|IGI

1.50ct K SI2 Heart Natural Diamond

VG • K/SI2 • IGI 729536765

Shape and cutting style on the report: Heart brilliant

Certificate IGI 729536765

Diamond specifications and retailer prices

From $3,465 NZD
As of November 4, 2026
Save $4,553 NZD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,018 NZD 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 729536765. Listed at 10 retailers as of November 4, 2026, with prices from $3,465 to $8,018, a $4,553 spread on the same certified stone. NZ Jewellers lists it at $8,018. 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
FluorescenceNone
Crown angle38°
Pavilion angle42.1°
OriginNatural
Grading LabIGI
CertificateIGI 729536765
Dimensions6.89 × 7.88 × 4.76 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
6.89 mm7.88 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 729536765
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 60.4%

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 4
Current: $6,700 NZD|Low: $3,108 NZD|High: $6,799 NZD|Avg: $4,357 NZD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 8$3,108 NZD
Retailer 7$3,465 NZD
Retailer 3$3,689 NZD
Retailer 2$4,028 NZD
Retailer 4$4,084 NZD
Retailer 5$4,562 NZD
Retailer 6$5,118 NZD
Retailer 1$6,700 NZD

12 data points across 8 retailers

10 retailers$3,465 NZD to $8,018 NZD

A
Cheapest Retailer
-
$3,465 NZD
B+
Retailer 2
-
$3,689 NZD
View
B+
Retailer 3
-
$3,835 NZD
View
Retailer 4
-
$3,835 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$4,012 NZD
View
B+
Retailer 6
-
$4,028 NZD
View
B+
Retailer 7
-
$4,084 NZD
View
B+
Retailer 8
-
$4,425 NZD
View
B+
Retailer 9
-
$6,700 NZD
View
Most Expensive
B
NZ Jewellers
5e15cea7-96fc-4989-ab2e-62c7e81ba7f9 · Nov 5
$8,018 NZD
$4,445 USD
View
9 more retailers have this diamond
Prices start from $3,465 NZDSave up to $4,553 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
$3,465 NZD