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Cushion|Lab Grown|IGI

3.91ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG816687068

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816687068

Diamond specifications and retailer prices

From $691 CAD
$495 USD
As of October 31, 2026
Save $619 CAD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,170 CAD at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 3.91ct lab-grown cushion diamond

This 3.91ct 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 LG816687068 or 816687068. Listed at 3 retailers as of October 31, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.91
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816687068
Dimensions11.08 × 8.13 × 5.52 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm8.13 mm3.91 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816687068
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,170 CAD|Low: $691 CAD|High: $4,170 CAD|Avg: $1,819 CAD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$691 CAD
Retailer 4$992 CAD
Retailer 7$1,206 CAD
Retailer 2$1,311 CAD
Retailer 5$2,188 CAD
Retailer 6$2,594 CAD
Rare Carat$4,170 CAD

38 data points across 7 retailers

3 retailers$691 CAD to $1,311 CAD

A
Cheapest Retailer
-
$691 CAD
$495 USD
Final sale: no returns
A
Retailer 2
-
$1,311 CAD
£739 GBP
View
Most Expensive
Rare Carat
816687068 · Oct 14
$4,170 CAD
$2,985 USD
View
Price last confirmed 17 days ago
2 more retailers have this diamond
Prices start from $691 CADSave up to $619 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
3.91ct Cushion
$691 CAD