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Cushion|Lab Grown|GCAL

3.11ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • GCAL 330640250

Certificate GCAL 330640250

Diamond specifications and retailer prices

From $1,066 USD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: $3,315 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 330640250. Listed at 2 retailers as of October 30, 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

3.11
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330640250
Dimensions9.65 × 7.91 × 5.54 mm
L/W Ratio1.22
Top View
9.65 mm7.91 mm3.11 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 330640250
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,315 USD|Low: $1,041 USD|High: $3,350 USD|Avg: $2,195 USD|+0.2%
MOH London
Retailer 2
October 26, 2026
Retailer 2$1,066 USD
MOH London$3,315 USD

6 data points across 2 retailers

2 retailers

A
Cheapest Retailer
-
$1,066 USD
Most Expensive
MOH London
LG330640250 · Oct 26
$3,315 USD
£2,610 GBP
View
Price last confirmed 7 days ago
1 more retailer has this diamond
Prices start from $1,066 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
3.11ct Cushion
$1,066 USD