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Heart|Lab Grown|IGI

1.60ct F SI1 Heart Lab Grown Diamond

EX • F/SI1 • IGI LG589301028

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG589301028

Diamond specifications and retailer prices

From $354 AUD
$248 USD
As of November 1, 2026
Save $1,214 AUD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,568 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.6ct lab-grown heart diamond

This 1.6ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG589301028 or 589301028. Listed at 16 retailers as of November 1, 2026, with prices from $354 to $1,568, a $1,214 spread on the same certified stone. MOH London lists it at $1,568. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.60
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589301028
Dimensions7.39 × 8.00 × 4.57 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm8.00 mm1.60 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589301028
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,568 AUD|Low: $303 AUD|High: $1,586 AUD|Avg: $684 AUD|-1.0%
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 12$303 AUD
Retailer 4$354 AUD
Retailer 3$365 AUD
Retailer 9$391 AUD
Retailer 11$391 AUD
Retailer 2$501 AUD
Retailer 10$528 AUD
Retailer 7$644 AUD
Retailer 6$728 AUD
Retailer 5$865 AUD
Retailer 8$960 AUD
Retailer 13$1,257 AUD
MOH London$1,568 AUD

43 data points across 13 retailers

16 retailers$354 AUD to $1,568 AUD

Retailer 1
-
$303 AUD
$212 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$354 AUD
$248 USD
View
Final sale: no returns
Retailer 3
-
$365 AUD
$256 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$391 AUD
$274 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$391 AUD
$274 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$391 AUD
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$501 AUD
£276 GBP
View
B+
Retailer 8
-
$528 AUD
$370 USD
View
A
Retailer 9
-
$644 AUD
€430 EUR
View
B+
Retailer 10
-
$728 AUD
£402 GBP
View
B+
Retailer 11
-
$738 AUD
$517 USD
View
B+
Retailer 12
-
$865 AUD
$606 USD
View
B
Retailer 13
-
$960 AUD
$673 USD
View
Retailer 14
-
$1,257 AUD
$881 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$1,269 AUD
SGD 1,202 SGD
View
Most Expensive
B
MOH London
LG589301028 · Nov 2
$1,568 AUD
£865 GBP
View
15 more retailers have this diamond
Prices start from $354 AUDSave up to $1,214 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
1.60ct Heart
$354 AUD