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Cushion|Lab Grown|IGI

0.90ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG591336118

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591336118

Diamond specifications and retailer prices

From $741 SGD
$580 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $741 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 0.9ct lab-grown cushion diamond

This 0.9ct lab-grown cushion sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591336118 or 591336118. 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. 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

0.90
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591336118
Dimensions7.24 × 5.01 × 3.34 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.24 mm5.01 mm0.90 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591336118
Side View
Table 61.0%Crown 33.5°Girdle: THN-MEDPavilion 35.5°Culet: NoneDepth 66.7%

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: $351 SGD|Low: $251 SGD|High: $1,739 SGD|Avg: $678 SGD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 14, 2026
Retailer 4$251 SGD
Retailer 6$314 SGD
Retailer 1$351 SGD
Retailer 3$544 SGD
Retailer 5$734 SGD
Retailer 8$745 SGD
Retailer 7$797 SGD
Retailer 2$1,700 SGD

54 data points across 8 retailers

1 retailer

B
Brilliant Earth
7765865Y · Oct 31
$741 SGD
$580 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
0.90ct Cushion
$741 SGD