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Marquise|Lab Grown|IGI

1.81ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG737590774

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG737590774

Diamond specifications and retailer prices

From $7,031 SGD
$5,500 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $7,031 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 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737590774 or 737590774. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737590774
Dimensions12.78 × 6.52 × 3.93 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.78 mm6.52 mm1.81 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737590774
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $7,031 SGD|Low: $6,180 SGD|High: $7,031 SGD|Avg: $6,653 SGD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$6,180 SGD
Brilliant Earth$7,031 SGD

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
15983179A · Oct 31
$7,031 SGD
$5,500 USD
View

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B
1.81ct Marquise
$7,031 SGD