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Cushion|Lab Grown|IGI

0.90ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG519267746

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG519267746

Diamond specifications and retailer prices

From $259 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $259 USD 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 0.9ct lab-grown cushion diamond

This 0.9ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519267746 or 519267746. Listed at a single retailer as of October 30, 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519267746
Dimensions5.59 × 5.32 × 3.52 mm
L/W Ratio1.05
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
5.59 mm5.32 mm0.90 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519267746
Side View
Table 54.5%Crown 32.8°Girdle: MED-THKPavilion 33.7°Culet: NoneDepth 66.2%

Caratlytics Score

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

Last verified: Oct 30
Current: $259 USD|Low: $94 USD|High: $348 USD|Avg: $246 USD|-7.2%
August 26, 2026
Loose Grown Diamond$259 USD

7 data points across 1 retailer

1 retailer

B+
Loose Grown Diamond
519267746 · Oct 30
$259 USD
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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
$259 USD