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Cushion|Lab Grown|IGI

3.74ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG816682940

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816682940

Diamond specifications and retailer prices

From $645 CAD
$462 USD
As of October 29, 2026
Save $582 CAD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,674 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.74ct lab-grown cushion diamond

This 3.74ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816682940 or 816682940. Listed at 3 retailers as of October 29, 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

3.74
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816682940
Dimensions10.75 × 8.13 × 5.42 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm8.13 mm3.74 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816682940
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,674 CAD|Low: $645 CAD|High: $3,709 CAD|Avg: $1,957 CAD|-0.9%
Rare Carat
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$645 CAD
Retailer 2$1,228 CAD
Rare Carat$3,674 CAD

36 data points across 3 retailers

3 retailers$645 CAD to $1,228 CAD

A
Cheapest Retailer
-
$645 CAD
$462 USD
Final sale: no returns
A
Retailer 2
-
$1,228 CAD
£692 GBP
View
Most Expensive
Rare Carat
816682940 · Oct 21
$3,674 CAD
$2,630 USD
View
Price last confirmed 9 days ago
2 more retailers have this diamond
Prices start from $645 CADSave up to $582 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
3.74ct Cushion
$645 CAD