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Heart|Natural|IGI

1.51ct K VS1 Heart Natural Diamond

VG • K/VS1 • IGI 758514088

Shape and cutting style on the report: Heart brilliant

Certificate IGI 758514088

Diamond specifications and retailer prices

From $3,803 AUD
As of November 6, 2026
Save $3,983 AUD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,786 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 758514088. Listed at 11 retailers as of November 5, 2026, with prices from $3,803 to $7,786, a $3,983 spread on the same certified stone. NZ Jewellers lists it at $7,786. 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

1.51
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.7°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 758514088
Dimensions6.68 × 7.80 × 4.89 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
6.68 mm7.80 mm1.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 758514088
Side View
Table 58.0%Crown 38.7°Girdle: MED-THKPavilion 40.4°CuletDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,786 AUD|Low: $3,803 AUD|High: $7,786 AUD|Avg: $5,087 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$3,803 AUD
Retailer 3$4,189 AUD
Retailer 9$4,301 AUD
Retailer 6$4,470 AUD
Retailer 8$4,641 AUD
Retailer 4$5,156 AUD
Retailer 5$5,455 AUD
Retailer 7$7,453 AUD
NZ Jewellers$7,786 AUD

43 data points across 9 retailers

11 retailers$3,803 AUD to $7,786 AUD

A
Cheapest Retailer
-
$3,803 AUD
A
Retailer 2
-
$4,189 AUD
View
B+
Retailer 3
-
$4,219 AUD
View
A
Retailer 4
-
$4,301 AUD
View
B+
Retailer 5
-
$4,470 AUD
View
B+
Retailer 6
-
$4,641 AUD
View
B+
Retailer 7
-
$4,676 AUD
View
B+
Retailer 8
-
$5,156 AUD
View
B+
Retailer 9
-
$5,455 AUD
View
B
Retailer 10
-
$7,453 AUD
View
Most Expensive
B
NZ Jewellers
bae0c314-5e1d-43bf-9d03-a18162ed6453 · Nov 5
$7,786 AUD
$5,350 USD
View
10 more retailers have this diamond
Prices start from $3,803 AUDSave up to $3,983 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
1.51ct Heart
$3,803 AUD