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Cushion|Lab Grown|IGI

0.90ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG576315470

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG576315470

Diamond specifications and retailer prices

From $250 CAD
HK$1,400 HKD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: $726 CAD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 LG576315470 or 576315470. Listed at 2 retailers as of October 30, 2026. 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 angle36.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576315470
Dimensions6.30 × 5.08 × 3.54 mm
L/W Ratio1.24
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
6.30 mm5.08 mm0.90 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576315470
Side View
Table 68.0%Crown 36.9°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $726 CAD|Low: $250 CAD|High: $1,215 CAD|Avg: $607 CAD|-2.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 19, 2026
Retailer 11$250 CAD
Retailer 8$353 CAD
Retailer 5$370 CAD
Retailer 2$429 CAD
Retailer 7$475 CAD
Retailer 10$613 CAD
Retailer 9$629 CAD
Retailer 6$714 CAD
Rare Carat$726 CAD
Retailer 3$892 CAD
Retailer 4$1,215 CAD

3 data points across 11 retailers

2 retailers

A
Cheapest Retailer
-
$250 CAD
HK$1,400 HKD
Most Expensive
Rare Carat
AG-368 · Oct 19
$726 CAD
$520 USD
View
Price last confirmed 11 days ago
1 more retailer has this diamond
Prices start from $250 CAD

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.

A
0.90ct Cushion
$250 CAD