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Cushion|Lab Grown|IGI

0.91ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG528221534

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG528221534

Diamond specifications and retailer prices

From $337 CAD
$241 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $337 CAD at Loose Grown Diamond
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 Loose Grown Diamond

About this 0.91ct lab-grown cushion diamond

This 0.91ct 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 LG528221534 or 528221534. Listed at a single retailer as of November 1, 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

0.91
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528221534
Dimensions6.18 × 4.96 × 3.42 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
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
6.18 mm4.96 mm0.91 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528221534
Side View
Table 62.0%Crown 34.4°Girdle: MED-THKPavilion 34.2°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $337 CAD|Low: $120 CAD|High: $451 CAD|Avg: $318 CAD|-5.5%
August 26, 2026
Loose Grown Diamond$337 CAD

7 data points across 1 retailer

1 retailer

B+
Loose Grown Diamond
528221534 · Nov 1
$337 CAD
$241 USD
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B+
0.91ct Cushion
$337 CAD