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Marquise|Lab Grown|IGI

2.09ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG750561121

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG750561121

Diamond specifications and retailer prices

From $2,123 SGD
$1,660 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $2,123 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 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750561121 or 750561121. Listed at a single retailer as of November 2, 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

2.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750561121
Dimensions13.70 × 6.55 × 4.14 mm
L/W Ratio2.09
Girdle conditionFaceted
Top View
13.70 mm6.55 mm2.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750561121
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $2,123 SGD|Low: $449 SGD|High: $2,801 SGD|Avg: $1,442 SGD|-24.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 14, 2026
Retailer 3$450 SGD
Retailer 7$639 SGD
Retailer 6$677 SGD
Retailer 5$803 SGD
Retailer 4$1,197 SGD
Retailer 2$1,506 SGD
Retailer 8$2,093 SGD
Brilliant Earth$2,123 SGD

43 data points across 8 retailers

1 retailer

B
Brilliant Earth
17050757A · Nov 2
$2,123 SGD
$1,660 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.

B
2.09ct Marquise
$2,123 SGD