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Marquise|Lab Grown|IGI

1.79ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG731580820

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG731580820

Diamond specifications and retailer prices

From $5,612 SGD
$4,390 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $5,612 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 1.79ct lab-grown marquise diamond

This 1.79ct 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 LG731580820 or 731580820. 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

1.79
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731580820
Dimensions12.54 × 6.26 × 3.97 mm
L/W Ratio2.00
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
12.54 mm6.26 mm1.79 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731580820
Side View
Table 59.0%Crown 37°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.0%

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: $5,612 SGD|Low: $5,612 SGD|High: $8,582 SGD|Avg: $6,932 SGD
Brilliant Earth
Retailer 2
December 30, 2025
Brilliant Earth$5,612 SGD
Retailer 2$8,582 SGD

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
16223538B · Oct 31
$5,612 SGD
$4,390 USD
View

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B
1.79ct Marquise
$5,612 SGD