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 $2,359 USD
As of November 6, 2026
Save $3,432 USD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,791 USD 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 $2,359 to $5,791, a $3,432 spread on the same certified stone. NZ Jewellers lists it at $5,791. 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
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: $2,359 USD|Low: $2,359 USD|High: $4,911 USD|Avg: $3,264 USD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,359 USD
Retailer 2$2,687 USD
Retailer 6$2,770 USD
Retailer 4$3,380 USD
Retailer 3$3,425 USD
Retailer 5$4,852 USD

37 data points across 6 retailers

11 retailers$2,359 USD to $5,791 USD

A
Cheapest Retailer
-
$2,359 USD
B+
Retailer 2
-
$2,687 USD
View
B+
Retailer 3
-
$2,770 USD
View
B+
Retailer 4
-
$2,770 USD
View
B+
Retailer 5
-
$2,876 USD
View
B+
Retailer 6
-
$2,911 USD
View
B+
Retailer 7
-
$3,196 USD
View
B+
Retailer 8
-
$3,380 USD
View
B+
Retailer 9
-
$3,425 USD
View
B
Retailer 10
-
$4,852 USD
View
Most Expensive
C
NZ Jewellers
848a1b9b-f52f-4380-9d0e-bdc63a0db54d · Nov 3
$5,791 USD
View
10 more retailers have this diamond
Prices start from $2,359 USDSave up to $3,432 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
$2,359 USD