Cushion|Lab Grown|IGI

4.90ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG843603144

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843603144

Diamond specifications and retailer prices

From $708 USD
As of October 29, 2026
4 retailers carry this diamond
Most expensive: $9,160 USD at Brilliant Earth · As of October 19, 2026
View at Brilliant Earth

About this 4.9ct lab-grown cushion diamond

This 4.9ct 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 LG843603144 or 843603144. Listed at 4 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

4.90
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843603144
Dimensions12.09 × 8.70 × 5.87 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm8.70 mm4.90 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843603144
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,200 USD|Low: $708 USD|High: $4,010 USD|Avg: $2,159 USD|-2.9%
Retailer 1
Retailer 2
Retailer 3
October 25, 2026
Retailer 2$708 USD
Retailer 1$1,200 USD
Retailer 3$4,010 USD

16 data points across 3 retailers

4 retailers

A
Cheapest Retailer
-
$708 USD
Final sale: no returns
Retailer 2
-
$1,200 USD
£945 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$4,010 USD
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
21760578A · Oct 19
$9,160 USD
View
Price last confirmed 13 days ago
3 more retailers have this diamond
Prices start from $708 USD

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
4.90ct Cushion
$708 USD