Heart|Natural|IGI

1.50ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 828676923

Shape and cutting style on the report: Heart brilliant

Certificate IGI 828676923

Diamond specifications and retailer prices

From $2,557 USD
As of November 6, 2026
Save $2,730 USD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,287 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828676923. Listed at 10 retailers as of November 5, 2026, with prices from $2,557 to $5,287, a $2,730 spread on the same certified stone. NZ Jewellers lists it at $5,287. 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
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 828676923
Dimensions6.76 × 7.83 × 4.64 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
6.76 mm7.83 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 828676923
Side View
Table 62.0%Crown 38°Girdle: STK-THKPavilion 38.9°CuletDepth 59.3%

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: $5,287 USD|Low: $2,557 USD|High: $5,287 USD|Avg: $3,593 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$2,557 USD
Retailer 3$2,944 USD
Retailer 6$3,035 USD
Retailer 9$3,035 USD
Retailer 8$3,152 USD
Retailer 10$3,177 USD
Retailer 4$3,502 USD
Retailer 5$3,704 USD
Retailer 7$5,062 USD
NZ Jewellers$5,287 USD

39 data points across 10 retailers

10 retailers$2,557 USD to $5,287 USD

A
Cheapest Retailer
-
$2,557 USD
B+
Retailer 2
-
$2,944 USD
View
B+
Retailer 3
-
$3,035 USD
View
B+
Retailer 4
-
$3,035 USD
View
B+
Retailer 5
-
$3,152 USD
View
B+
Retailer 6
-
$3,177 USD
View
B+
Retailer 7
-
$3,502 USD
View
B+
Retailer 8
-
$3,704 USD
View
B
Retailer 9
-
$5,062 USD
View
Most Expensive
B
NZ Jewellers
8def1ca0-38ee-4f1f-b9b2-e730f098196f · Nov 5
$5,287 USD
View
9 more retailers have this diamond
Prices start from $2,557 USDSave up to $2,730 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
$2,557 USD