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Heart|Lab Grown|IGI

1.56ct J VVS1 Heart Lab Grown Diamond

EX • J/VVS1 • IGI LG745517595

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG745517595

Diamond specifications and retailer prices

From $658 AUD
$462 USD
As of November 1, 2026
Save $742 AUD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,639 AUD at Moon Ocean · As of October 9, 2026
View at Moon Ocean

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG745517595 or 745517595. Listed at 10 retailers as of October 31, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745517595
Dimensions6.82 × 8.05 × 4.77 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm8.05 mm1.56 ctJ / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745517595
Side View
Table 62.0%Crown 40.1°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 59.3%

Caratlytics Score

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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 1
Current: $2,639 AUD|Low: $634 AUD|High: $2,639 AUD|Avg: $1,363 AUD|+295.5%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$658 AUD
Retailer 10$881 AUD
Retailer 9$911 AUD
Retailer 7$922 AUD
Retailer 2$1,381 AUD
Retailer 4$1,399 AUD
Retailer 3$1,417 AUD
Retailer 11$1,803 AUD
Retailer 8$2,184 AUD
Retailer 6$2,235 AUD
Moon Ocean$2,639 AUD

7 data points across 11 retailers

10 retailers$658 AUD to $1,399 AUD

A
Cheapest Retailer
-
$658 AUD
$462 USD
Retailer 2
-
$922 AUD
ZAR 10,468 ZAR
View
Price last confirmed 24 days ago
A
Retailer 3
-
$1,381 AUD
$970 USD
View
A
Retailer 4
-
$1,399 AUD
$983 USD
View
Retailer 5
-
$1,717 AUD
$1,206 USD
View
Price last confirmed 24 days ago
Retailer 6
-
$1,735 AUD
$1,219 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$1,803 AUD
$1,266 USD
View
Price last confirmed 24 days ago
Retailer 8
-
$1,992 AUD
$1,399 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$2,184 AUD
£1,208 GBP
View
Price last confirmed 24 days ago
Most Expensive
Moon Ocean
NVL-63E99D99B-595 · Oct 9
$2,639 AUD
£1,460 GBP
View
Price last confirmed 23 days ago
9 more retailers have this diamond
Prices start from $658 AUDSave up to $742 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
1.56ct Heart
$658 AUD