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Marquise|Lab Grown|IGI

1.50ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG844608672

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844608672

Diamond specifications and retailer prices

From $286 SGD
$224 USD
As of November 1, 2026
Save $1,197 SGD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,484 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG844608672 or 844608672. Listed at 3 retailers as of November 1, 2026, with prices from $286 to $1,484, a $1,197 spread on the same certified stone. Brilliant Earth lists it at $1,484. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844608672
Dimensions11.77 × 6.05 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.77 mm6.05 mm1.50 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844608672
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,484 SGD|Low: $286 SGD|High: $2,123 SGD|Avg: $1,045 SGD|-30.1%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$286 SGD
Retailer 2$601 SGD
Brilliant Earth$1,484 SGD

21 data points across 3 retailers

3 retailers$286 SGD to $1,484 SGD

A
Cheapest Retailer
-
$286 SGD
$224 USD
Final sale: no returns
A
Retailer 2
-
$601 SGD
£370 GBP
View
Most Expensive
B
Brilliant Earth
21815974A · Nov 2
$1,484 SGD
$1,160 USD
View
2 more retailers have this diamond
Prices start from $286 SGDSave up to $1,197 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
$286 SGD