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 $317 SGD
$248 USD
As of November 1, 2026
Save $1,088 SGD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,405 SGD 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 $317 to $1,405, a $1,088 spread on the same certified stone. MOH London lists it at $1,405. 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: $1,405 SGD|Low: $271 SGD|High: $1,421 SGD|Avg: $613 SGD|-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$271 SGD
Retailer 4$317 SGD
Retailer 3$327 SGD
Retailer 9$350 SGD
Retailer 11$350 SGD
Retailer 2$449 SGD
Retailer 10$473 SGD
Retailer 7$577 SGD
Retailer 6$652 SGD
Retailer 5$775 SGD
Retailer 8$861 SGD
Retailer 13$1,127 SGD
MOH London$1,405 SGD

44 data points across 13 retailers

16 retailers$317 SGD to $1,405 SGD

Retailer 1
-
$271 SGD
$212 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$317 SGD
$248 USD
View
Final sale: no returns
Retailer 3
-
$327 SGD
$256 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$350 SGD
$274 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$350 SGD
$274 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$350 SGD
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$449 SGD
£276 GBP
View
B+
Retailer 8
-
$473 SGD
$370 USD
View
A
Retailer 9
-
$577 SGD
€430 EUR
View
B+
Retailer 10
-
$652 SGD
£402 GBP
View
B+
Retailer 11
-
$661 SGD
$517 USD
View
B+
Retailer 12
-
$775 SGD
$606 USD
View
B
Retailer 13
-
$861 SGD
$673 USD
View
Retailer 14
-
$1,127 SGD
$881 USD
View
Price last confirmed 32 days ago
B
Retailer 15
-
$1,138 SGD
View
Most Expensive
B
MOH London
LG589301028 · Nov 1
$1,405 SGD
£865 GBP
View
15 more retailers have this diamond
Prices start from $317 SGDSave up to $1,088 SGD

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
$317 SGD