Cushion|Lab Grown|IGI

3.98ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG823611836

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

Certificate IGI LG823611836

Diamond specifications and retailer prices

From $765 USD
As of November 1, 2026
Save $245 USD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,043 USD at Frank Darling · As of October 26, 2026
View at Frank Darling

About this 3.98ct lab-grown cushion diamond

This 3.98ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823611836 or 823611836. Listed at 4 retailers as of October 26, 2026, with a 32% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.98
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823611836
Dimensions9.23 × 9.21 × 6.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm9.21 mm3.98 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823611836
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,043 USD|Low: $765 USD|High: $6,044 USD|Avg: $2,833 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 3$765 USD
Retailer 2$1,010 USD
Retailer 4$2,515 USD
Frank Darling$6,043 USD

10 data points across 4 retailers

4 retailers$765 USD to $1,010 USD

A
Cheapest Retailer
-
$765 USD
Final sale: no returns
B+
Retailer 2
-
$1,010 USD
View
Retailer 3
-
$2,515 USD
View
Price last confirmed 27 days ago
Most Expensive
Frank Darling
100192780485KD · Oct 26
$6,043 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from $765 USDSave up to $245 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
3.98ct Cushion
$765 USD