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Cushion|Lab Grown|IGI

3.18ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG831615121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831615121

Diamond specifications and retailer prices

From $1,163 CAD
€793 EUR
As of October 31, 2026
Save $2,124 CAD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,287 CAD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.18ct lab-grown cushion diamond

This 3.18ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831615121 or 831615121. Listed at 8 retailers as of October 31, 2026, with prices from $1,163 to $3,287, a $2,124 spread on the same certified stone. With Clarity lists it at $3,287. 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

3.18
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831615121
Dimensions10.57 × 7.48 × 5.09 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.48 mm3.18 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831615121
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.0%

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 31
Current: $1,163 CAD|Low: $883 CAD|High: $3,221 CAD|Avg: $2,106 CAD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 31, 2026
Retailer 4$883 CAD
Retailer 1$1,163 CAD
Retailer 7$1,268 CAD
Retailer 2$2,221 CAD
Retailer 5$2,549 CAD
Retailer 3$2,713 CAD
Retailer 6$2,957 CAD
With Clarity$3,221 CAD

27 data points across 8 retailers

8 retailers$1,163 CAD to $3,287 CAD

Retailer 1
-
$883 CAD
£498 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
$1,163 CAD
€793 EUR
View
A
Retailer 3
-
$1,268 CAD
$908 USD
View
B+
Retailer 4
-
$2,221 CAD
$1,590 USD
View
B+
Retailer 5
-
$2,549 CAD
$1,825 USD
View
B+
Retailer 6
-
$2,713 CAD
£1,529 GBP
View
Retailer 7
-
$2,957 CAD
SGD 2,861 SGD
View
Price last confirmed 19 days ago
Most Expensive
B+
With Clarity
831615121 · Oct 31
$3,287 CAD
$2,353 USD
View
7 more retailers have this diamond
Prices start from $1,163 CADSave up to $2,124 CAD

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
3.18ct Cushion
$1,163 CAD