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Marquise|Lab Grown|IGI

1.50ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436072652

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072652

Diamond specifications and retailer prices

From $1,379 SGD
$1,080 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $1,379 SGD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072652 or 436072652. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072652
Dimensions10.99 × 6.07 × 3.87 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.99 mm6.07 mm1.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072652
Side View
Table 53.5%Crown 33.6°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,379 SGD|Low: $1,379 SGD|High: $6,128 SGD|Avg: $3,454 SGD|-46.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
June 13, 2026
Brilliant Earth$1,379 SGD
Retailer 2$1,534 SGD
Retailer 5$2,337 SGD
Retailer 8$2,345 SGD
Retailer 6$2,887 SGD
Retailer 3$3,850 SGD
Retailer 4$4,707 SGD
Retailer 7$6,072 SGD

36 data points across 8 retailers

1 retailer

A
Brilliant Earth
19757817A · Nov 4
$1,379 SGD
$1,080 USD
View

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
$1,379 SGD