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Heart|Natural|IGI

1.51ct J VS1 Heart Natural Diamond

VG • J/VS1 • IGI 660411178

Shape and cutting style on the report: Heart brilliant

Certificate IGI 660411178

Diamond specifications and retailer prices

From $4,477 AUD
$3,145 USD
As of November 1, 2026
Save $4,311 AUD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,788 AUD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 660411178. Listed at 15 retailers as of October 30, 2026, with prices from $4,477 to $8,788, a $4,311 spread on the same certified stone. NZ Jewellers lists it at $8,788. 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
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 660411178
Dimensions6.70 × 7.73 × 4.78 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
6.70 mm7.73 mm1.51 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 660411178
Side View
Table 56.0%Crown 38.8°Girdle: STK-VTKPavilion 38.4°Culet: NoneDepth 61.8%

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 1
Current: $8,788 AUD|Low: $4,477 AUD|High: $8,788 AUD|Avg: $5,718 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 1, 2026
Retailer 11$4,477 AUD
Retailer 13$4,593 AUD
Retailer 2$4,753 AUD
Retailer 12$4,828 AUD
Retailer 10$4,854 AUD
Retailer 3$5,044 AUD
Retailer 5$5,044 AUD
Retailer 9$5,239 AUD
Retailer 6$5,368 AUD
Retailer 4$5,820 AUD
Retailer 7$6,200 AUD
Retailer 8$8,481 AUD
NZ Jewellers$8,788 AUD

44 data points across 13 retailers

15 retailers$4,477 AUD to $8,788 AUD

A
Cheapest Retailer
-
$4,477 AUD
$3,145 USD
A
Retailer 2
-
$4,593 AUD
$3,226 USD
View
A
Retailer 3
-
$4,753 AUD
£2,629 GBP
View
A
Retailer 4
-
$4,828 AUD
$3,391 USD
View
A
Retailer 5
-
$4,854 AUD
$3,410 USD
View
B+
Retailer 6
-
$5,044 AUD
$3,543 USD
View
B+
Retailer 7
-
$5,044 AUD
$3,543 USD
View
B+
Retailer 8
-
$5,239 AUD
$3,680 USD
View
B+
Retailer 9
-
$5,251 AUD
$3,688 USD
View
A
Retailer 10
-
$5,368 AUD
£2,969 GBP
View
Retailer 11
-
$5,820 AUD
$4,088 USD
View
Price last confirmed 56 days ago
B+
Retailer 12
-
$5,820 AUD
$4,088 USD
View
B+
Retailer 13
-
$6,200 AUD
ZAR 70,361 ZAR
View
B
Retailer 14
-
$8,481 AUD
£4,691 GBP
View
Most Expensive
B
NZ Jewellers
64113f24-e03c-46a0-8646-b11c50e71bd8 · Oct 30
$8,788 AUD
$6,173 USD
View
14 more retailers have this diamond
Prices start from $4,477 AUDSave up to $4,311 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
$4,477 AUD