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Cushion|Lab Grown|IGI

3.99ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG821644234

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG821644234

Diamond specifications and retailer prices

From $729 CAD
$522 USD
As of October 28, 2026
Save $293 CAD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,717 CAD at Brilliance · As of October 5, 2026
View at Brilliance

About this 3.99ct lab-grown cushion diamond

This 3.99ct 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 LG821644234 or 821644234. Listed at 3 retailers as of October 26, 2026, with a 40% 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

3.99
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821644234
Dimensions9.32 × 9.11 × 6.13 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.32 mm9.11 mm3.99 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821644234
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 67.3%

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 28
Current: $2,717 CAD|Low: $711 CAD|High: $6,432 CAD|Avg: $2,855 CAD|-9.7%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 2$729 CAD
Retailer 7$992 CAD
Retailer 3$1,023 CAD
Retailer 5$1,421 CAD
Brilliance$2,717 CAD
Retailer 6$5,685 CAD
Retailer 4$6,432 CAD

11 data points across 7 retailers

3 retailers$729 CAD to $1,023 CAD

A
Cheapest Retailer
-
$729 CAD
$522 USD
Final sale: no returns
B+
Retailer 2
-
$1,023 CAD
$732 USD
View
Most Expensive
Brilliance
D45376163 · Oct 5
$2,717 CAD
$1,945 USD
View
Price last confirmed 27 days ago
2 more retailers have this diamond
Prices start from $729 CADSave up to $293 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
3.99ct Cushion
$729 CAD