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Marquise|Lab Grown|IGI

1.50ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG826679586

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826679586

Diamond specifications and retailer prices

From $377 SGD
HK$2,300 HKD
As of November 1, 2026
Save $939 SGD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,316 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise 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 LG826679586 or 826679586. Listed at 9 retailers as of November 1, 2026, with prices from $377 to $1,316, a $939 spread on the same certified stone. MOH London lists it at $1,316. 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

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826679586
Dimensions11.75 × 5.46 × 3.62 mm
L/W Ratio2.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.75 mm5.46 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG826679586
Side View
Table 62.0%Crown 38.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 66.3%

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: $1,316 SGD|Low: $377 SGD|High: $1,345 SGD|Avg: $726 SGD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$377 SGD
Retailer 6$441 SGD
Retailer 3$573 SGD
Retailer 9$590 SGD
Retailer 2$600 SGD
Retailer 5$655 SGD
Retailer 7$1,123 SGD
Retailer 4$1,164 SGD
MOH London$1,316 SGD

42 data points across 9 retailers

9 retailers$377 SGD to $1,316 SGD

A
Cheapest Retailer
-
$377 SGD
HK$2,300 HKD
B+
Retailer 2
-
$441 SGD
$345 USD
View
A
Retailer 3
-
$573 SGD
€427 EUR
View
A
Retailer 4
-
$590 SGD
$461 USD
View
A
Retailer 5
-
$600 SGD
£369 GBP
View
B+
Retailer 6
-
$655 SGD
$512 USD
View
B
Retailer 7
-
$1,123 SGD
$878 USD
View
B
Retailer 8
-
$1,164 SGD
$910 USD
View
Most Expensive
B
MOH London
LG826679586 · Nov 1
$1,316 SGD
£810 GBP
View
8 more retailers have this diamond
Prices start from $377 SGDSave up to $939 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
1.50ct Marquise
$377 SGD