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Cushion|Lab Grown|IGI

3.90ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG816637682

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816637682

Diamond specifications and retailer prices

From $689 CAD
$493 USD
As of October 31, 2026
Save $4,675 CAD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,364 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.9ct lab-grown cushion diamond

This 3.9ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816637682 or 816637682. Listed at 4 retailers as of October 30, 2026, with prices from $689 to $5,364, a $4,675 spread on the same certified stone. Brilliant Earth lists it at $5,364. 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
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816637682
Dimensions11.26 × 8.09 × 5.37 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm8.09 mm3.90 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816637682
Side View
Table 63.0%Crown 34.2°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,364 CAD|Low: $689 CAD|High: $5,364 CAD|Avg: $2,292 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$689 CAD
Retailer 6$1,206 CAD
Retailer 2$1,308 CAD
Retailer 5$1,460 CAD
Retailer 8$2,178 CAD
Retailer 7$2,588 CAD
Retailer 4$4,121 CAD
Brilliant Earth$5,364 CAD

38 data points across 8 retailers

4 retailers$689 CAD to $5,364 CAD

A
Cheapest Retailer
-
$689 CAD
$493 USD
Final sale: no returns
A
Retailer 2
-
$1,308 CAD
£737 GBP
View
Retailer 3
-
$4,121 CAD
$2,950 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21223408A · Oct 30
$5,364 CAD
$3,840 USD
View
3 more retailers have this diamond
Prices start from $689 CADSave up to $4,675 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
3.90ct Cushion
$689 CAD