Cushion|Lab Grown|GCAL

3.31ct I VS2 Cushion Lab Grown Diamond

ID • I/VS2 • GCAL 330640178

Certificate GCAL 330640178

Diamond specifications and retailer prices

From $924 USD
As of October 30, 2026
Save $2,123 USD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,047 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.31ct lab-grown cushion diamond

This 3.31ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 330640178. Listed at 3 retailers as of October 26, 2026, with prices from $924 to $3,047, a $2,123 spread on the same certified stone. MOH London lists it at $3,047. 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

3.31
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330640178
Dimensions8.74 × 8.68 × 5.82 mm
L/W Ratio1.01
Top View
8.74 mm8.68 mm3.31 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 330640178
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 67.0%

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: Oct 30
Current: $3,047 USD|Low: $924 USD|High: $3,078 USD|Avg: $1,685 USD|+0.2%
MOH London
Retailer 2
Retailer 3
October 25, 2026
Retailer 3$924 USD
Retailer 2$1,077 USD
MOH London$3,047 USD

7 data points across 3 retailers

3 retailers$924 USD to $3,047 USD

A
Cheapest Retailer
-
$924 USD
A
Retailer 2
-
$1,077 USD
View
Most Expensive
B
MOH London
LG330640178 · Oct 26
$3,047 USD
£2,399 GBP
View
2 more retailers have this diamond
Prices start from $924 USDSave up to $2,123 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
3.31ct Cushion
$924 USD