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Cushion|Lab Grown|IGI

4.89ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG835671646

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835671646

Diamond specifications and retailer prices

From $999 CAD
$715 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $5,273 CAD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 4.89ct lab-grown cushion diamond

This 4.89ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835671646 or 835671646. Listed at 3 retailers as of October 29, 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

4.89
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835671646
Dimensions12.09 × 8.76 × 5.81 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm8.76 mm4.89 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835671646
Side View
Table 60.0%Crown 37°Girdle: MED-THKPavilion 35.2°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $5,273 CAD|Low: $999 CAD|High: $5,273 CAD|Avg: $2,725 CAD
Rare Carat
Retailer 2
Retailer 3
October 25, 2026
Retailer 3$999 CAD
Retailer 2$1,694 CAD
Rare Carat$5,273 CAD

31 data points across 3 retailers

3 retailers

A
Cheapest Retailer
-
$999 CAD
$715 USD
Final sale: no returns
Retailer 2
-
$1,694 CAD
£955 GBP
View
Price last confirmed 7 days ago
Most Expensive
Rare Carat
835671646 · Oct 7
$5,273 CAD
$3,775 USD
View
Price last confirmed 24 days ago
2 more retailers have this diamond
Prices start from $999 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
4.89ct Cushion
$999 CAD