CaratHunter
Plans
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 $2,943 AUD
As of November 5, 2026
Save $3,868 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,811 AUD 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 $2,943 to $6,811, a $3,868 spread on the same certified stone. NZ Jewellers lists it at $6,811. 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: $6,811 AUD|Low: $2,681 AUD|High: $6,811 AUD|Avg: $3,819 AUD
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$2,684 AUD
Retailer 13$2,943 AUD
Retailer 2$3,160 AUD
Retailer 4$3,206 AUD
Retailer 8$3,259 AUD
Retailer 10$3,259 AUD
Retailer 3$3,275 AUD
Retailer 9$3,409 AUD
Retailer 5$3,459 AUD
Retailer 6$3,601 AUD
Retailer 7$3,759 AUD
Retailer 11$5,739 AUD
NZ Jewellers$6,811 AUD

34 data points across 13 retailers

12 retailers$2,943 AUD to $6,811 AUD

Retailer 1
-
$2,684 AUD
Price last confirmed 21 days ago
B+
Retailer 2
-
$2,943 AUD
View
A
Retailer 3
-
$3,160 AUD
View
B+
Retailer 4
-
$3,259 AUD
View
Retailer 5
-
$3,259 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,275 AUD
View
B+
Retailer 7
-
$3,409 AUD
View
B+
Retailer 8
-
$3,459 AUD
View
B+
Retailer 9
-
$3,601 AUD
View
B+
Retailer 10
-
$3,759 AUD
View
Retailer 11
-
$5,739 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
8d9680a2-fd68-425c-9897-f81e7c55f9ab · Nov 5
$6,811 AUD
$4,680 USD
View
11 more retailers have this diamond
Prices start from $2,943 AUDSave up to $3,868 AUD

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
$2,943 AUD