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Cushion|Lab Grown|IGI

4.90ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG826616191

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG826616191

Diamond specifications and retailer prices

From $1,989 CAD
$1,421 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $4,607 CAD at Brilliance · As of October 5, 2026
View at Brilliance

About this 4.9ct lab-grown cushion diamond

This 4.9ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826616191 or 826616191. Listed at 2 retailers as of October 28, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.90
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826616191
Dimensions10.00 × 9.77 × 6.59 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.00 mm9.77 mm4.90 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826616191
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 67.5%

Caratlytics Score

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

Last verified: Oct 28
Current: $4,607 CAD|Low: $1,973 CAD|High: $5,216 CAD|Avg: $3,457 CAD|-11.7%
Brilliance
Retailer 2
October 26, 2026
Retailer 2$1,989 CAD
Brilliance$4,607 CAD

7 data points across 2 retailers

2 retailers

B+
Cheapest Retailer
-
$1,989 CAD
$1,421 USD
Most Expensive
Brilliance
D45445646 · Oct 5
$4,607 CAD
$3,292 USD
View
Price last confirmed 24 days ago
1 more retailer has this diamond
Prices start from $1,989 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.

B+
4.90ct Cushion
$1,989 CAD