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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 $441 NZD
$248 USD
As of November 1, 2026
Save $1,512 NZD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,952 NZD at MOH London · As of November 1, 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 $441 to $1,952, a $1,512 spread on the same certified stone. MOH London lists it at $1,952. 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: $1,952 NZD|Low: $377 NZD|High: $1,975 NZD|Avg: $851 NZD|-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$377 NZD
Retailer 4$441 NZD
Retailer 3$455 NZD
Retailer 9$487 NZD
Retailer 11$487 NZD
Retailer 2$624 NZD
Retailer 10$658 NZD
Retailer 7$802 NZD
Retailer 6$906 NZD
Retailer 5$1,077 NZD
Retailer 8$1,196 NZD
Retailer 13$1,566 NZD
MOH London$1,952 NZD

44 data points across 13 retailers

16 retailers$441 NZD to $1,952 NZD

Retailer 1
-
$377 NZD
$212 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$441 NZD
$248 USD
View
Final sale: no returns
Retailer 3
-
$455 NZD
$256 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$487 NZD
$274 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$487 NZD
$274 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$487 NZD
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$624 NZD
£276 GBP
View
B+
Retailer 8
-
$658 NZD
$370 USD
View
A
Retailer 9
-
$802 NZD
€430 EUR
View
B+
Retailer 10
-
$906 NZD
£402 GBP
View
B+
Retailer 11
-
$919 NZD
$517 USD
View
B+
Retailer 12
-
$1,077 NZD
$606 USD
View
B
Retailer 13
-
$1,196 NZD
$673 USD
View
Retailer 14
-
$1,566 NZD
$881 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$1,581 NZD
SGD 1,202 SGD
View
Most Expensive
B
MOH London
LG589301028 · Nov 1
$1,952 NZD
£865 GBP
View
15 more retailers have this diamond
Prices start from $441 NZDSave up to $1,512 NZD

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
$441 NZD