Radiant|Lab Grown|IGI

4.90ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG843622651

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG843622651

Diamond specifications and retailer prices

From $636 USD
As of October 29, 2026
Save $3,504 USD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,140 USD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 4.9ct lab-grown radiant diamond

This 4.9ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843622651 or 843622651. Listed at 3 retailers as of October 25, 2026, with prices from $636 to $4,140, a $3,504 spread on the same certified stone. Brilliant Earth lists it at $4,140. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843622651
Dimensions11.84 × 8.31 × 5.70 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm8.31 mm4.90 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843622651
Side View
Table 64.0%Crown 45.8°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,133 USD|Low: $636 USD|High: $1,198 USD|Avg: $1,035 USD|-5.5%
Retailer 1
Retailer 2
October 25, 2026
Retailer 2$636 USD
Retailer 1$1,133 USD

6 data points across 2 retailers

3 retailers$636 USD to $4,140 USD

A
Cheapest Retailer
-
$636 USD
Final sale: no returns
A
Retailer 2
-
$1,133 USD
£892 GBP
View
Most Expensive
B
Brilliant Earth
21781909A · Oct 25
$4,140 USD
View
2 more retailers have this diamond
Prices start from $636 USDSave up to $3,504 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 Radiant
$636 USD