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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 $229 SGD
HK$1,400 HKD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: $665 SGD 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
Colour
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: $665 SGD|Low: $229 SGD|High: $1,112 SGD|Avg: $555 SGD|-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$229 SGD
Retailer 8$323 SGD
Retailer 5$338 SGD
Retailer 2$393 SGD
Retailer 7$435 SGD
Retailer 10$561 SGD
Retailer 9$575 SGD
Retailer 6$654 SGD
Rare Carat$665 SGD
Retailer 3$817 SGD
Retailer 4$1,112 SGD

3 data points across 11 retailers

2 retailers

A
Cheapest Retailer
-
$229 SGD
HK$1,400 HKD
Most Expensive
Rare Carat
AG-368 · Oct 19
$665 SGD
$520 USD
View
Price last confirmed 12 days ago
1 more retailer has this diamond
Prices start from $229 SGD

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
$229 SGD