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Heart|Natural|IGI

1.50ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 708576596

Shape and cutting style on the report: Heart brilliant

Certificate IGI 708576596

Diamond specifications and retailer prices

From $3,647 NZD
As of November 5, 2026
Save $4,795 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,442 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 708576596. Listed at 12 retailers as of November 5, 2026, with prices from $3,647 to $8,442, a $4,795 spread on the same certified stone. NZ Jewellers lists it at $8,442. 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 angle38.4°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 708576596
Dimensions6.90 × 7.89 × 4.72 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm7.89 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 708576596
Side View
Table 60.0%Crown 38.4°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 59.8%

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 5
Current: $8,442 NZD|Low: $3,323 NZD|High: $8,442 NZD|Avg: $4,724 NZD
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 12$3,326 NZD
Retailer 13$3,647 NZD
Retailer 2$3,916 NZD
Retailer 4$3,974 NZD
Retailer 8$4,039 NZD
Retailer 10$4,039 NZD
Retailer 3$4,059 NZD
Retailer 9$4,225 NZD
Retailer 5$4,288 NZD
Retailer 6$4,463 NZD
Retailer 7$4,659 NZD
Retailer 11$7,113 NZD
NZ Jewellers$8,442 NZD

33 data points across 13 retailers

12 retailers$3,647 NZD to $8,442 NZD

Retailer 1
-
$3,326 NZD
Price last confirmed 22 days ago
B+
Retailer 2
-
$3,647 NZD
View
A
Retailer 3
-
$3,916 NZD
View
B+
Retailer 4
-
$4,039 NZD
View
Retailer 5
-
$4,039 NZD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$4,059 NZD
View
B+
Retailer 7
-
$4,225 NZD
View
B+
Retailer 8
-
$4,288 NZD
View
B+
Retailer 9
-
$4,463 NZD
View
B+
Retailer 10
-
$4,659 NZD
View
Retailer 11
-
$7,113 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
8d9680a2-fd68-425c-9897-f81e7c55f9ab · Nov 5
$8,442 NZD
$4,680 USD
View
11 more retailers have this diamond
Prices start from $3,647 NZDSave up to $4,795 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
$3,647 NZD