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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 $1,921 USD
As of November 4, 2026
Save $2,524 USD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,445 USD 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 $1,921 to $4,445, a $2,524 spread on the same certified stone. NZ Jewellers lists it at $4,445. 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
Color
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: $3,714 USD|Low: $1,723 USD|High: $3,769 USD|Avg: $2,415 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 8$1,723 USD
Retailer 7$1,921 USD
Retailer 3$2,045 USD
Retailer 2$2,233 USD
Retailer 4$2,264 USD
Retailer 5$2,529 USD
Retailer 6$2,837 USD
Retailer 1$3,714 USD

12 data points across 8 retailers

10 retailers$1,921 USD to $4,445 USD

A
Cheapest Retailer
-
$1,921 USD
B+
Retailer 2
-
$2,045 USD
View
B+
Retailer 3
-
$2,126 USD
View
Retailer 4
-
$2,126 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,224 USD
View
B+
Retailer 6
-
$2,233 USD
View
B+
Retailer 7
-
$2,264 USD
View
B+
Retailer 8
-
$2,453 USD
View
B+
Retailer 9
-
$3,714 USD
View
Most Expensive
B
NZ Jewellers
5e15cea7-96fc-4989-ab2e-62c7e81ba7f9 · Nov 5
$4,445 USD
View
9 more retailers have this diamond
Prices start from $1,921 USDSave up to $2,524 USD

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
$1,921 USD