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Heart|Lab Grown|IGI

1.64ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG739575945

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG739575945

Diamond specifications and retailer prices

From $372 AUD
$261 USD
As of October 30, 2026
Save $1,473 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,844 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.64ct lab-grown heart diamond

This 1.64ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG739575945 or 739575945. Listed at 18 retailers as of October 30, 2026, with prices from $372 to $1,844, a $1,473 spread on the same certified stone. MOH London lists it at $1,844. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739575945
Dimensions7.27 × 8.29 × 4.74 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm8.29 mm1.64 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739575945
Side View
Table 60.0%Crown 33°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 57.2%

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: Oct 30
Current: $1,844 AUD|Low: $356 AUD|High: $1,866 AUD|Avg: $1,010 AUD
MOH London
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 2, 2026
Retailer 11$372 AUD
Retailer 4$416 AUD
Retailer 12$460 AUD
Retailer 8$690 AUD
Retailer 3$767 AUD
Retailer 2$794 AUD
Retailer 6$880 AUD
Retailer 5$948 AUD
Retailer 7$1,071 AUD
Retailer 10$1,167 AUD
Retailer 9$1,666 AUD
Retailer 13$1,811 AUD
MOH London$1,844 AUD

44 data points across 13 retailers

18 retailers$372 AUD to $1,844 AUD

A
Cheapest Retailer
-
$372 AUD
$261 USD
A
Retailer 2
-
$416 AUD
$292 USD
View
Final sale: no returns
A
Retailer 3
-
$430 AUD
$302 USD
View
A
Retailer 4
-
$460 AUD
$323 USD
View
Retailer 5
-
$460 AUD
$323 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$690 AUD
$485 USD
View
A
Retailer 7
-
$767 AUD
$539 USD
View
A
Retailer 8
-
$794 AUD
ZAR 9,006 ZAR
View
A
Retailer 9
-
$804 AUD
$565 USD
View
B+
Retailer 10
-
$880 AUD
£487 GBP
View
B+
Retailer 11
-
$948 AUD
$666 USD
View
B+
Retailer 12
-
$1,071 AUD
View
B+
Retailer 13
-
$1,167 AUD
$820 USD
View
B
Retailer 14
-
$1,479 AUD
$1,039 USD
View
B
Retailer 15
-
$1,553 AUD
$1,091 USD
View
B
Retailer 16
-
$1,666 AUD
$1,170 USD
View
B
Retailer 17
-
$1,811 AUD
$1,272 USD
View
Most Expensive
B
MOH London
LG739575945 · Nov 1
$1,844 AUD
£1,020 GBP
View
17 more retailers have this diamond
Prices start from $372 AUDSave up to $1,473 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
1.64ct Heart
$372 AUD