Cushion|Lab Grown|IGI

3.90ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1

Diamond specifications and retailer prices

From $1,252 USD
As of November 1, 2026
Save $4,270 USD (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,522 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.9ct lab-grown cushion diamond

This 3.9ct 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. Listed at 5 retailers as of November 1, 2026, with prices from $1,252 to $5,522, a $4,270 spread on the same certified stone. The Diamond Guys lists it at $5,522. 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

3.90
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.20 × 8.08 × 5.36 mm
L/W Ratio1.39
Top View
11.20 mm8.08 mm3.90 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,444 USD|Low: $1,252 USD|High: $7,644 USD|Avg: $3,144 USD|-27.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
October 30, 2026
Retailer 3$1,252 USD
Retailer 1$1,444 USD
Retailer 4$1,648 USD
Retailer 2$3,131 USD
The Diamond Guys$5,522 USD

14 data points across 5 retailers

5 retailers$1,252 USD to $5,522 USD

A
Cheapest Retailer
-
$1,252 USD
A
Retailer 2
-
$1,444 USD
£1,137 GBP
View
Retailer 3
-
$1,648 USD
View
Price last confirmed 20 days ago
B
Retailer 4
-
$3,131 USD
CA$4,348 CAD
View
Most Expensive
B
The Diamond Guys
1967020161 · Nov 1
$5,522 USD
View
4 more retailers have this diamond
Prices start from $1,252 USDSave up to $4,270 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
3.90ct Cushion
$1,252 USD