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Cushion|Lab Grown|IGI

3.68ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG817685728

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817685728

Diamond specifications and retailer prices

From $644 CAD
$461 USD
As of October 29, 2026
Save $3,938 CAD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,582 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.68ct lab-grown cushion diamond

This 3.68ct 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 LG817685728 or 817685728. Listed at 4 retailers as of October 29, 2026, with prices from $644 to $4,582, a $3,938 spread on the same certified stone. Brilliant Earth lists it at $4,582. 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

3.68
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817685728
Dimensions10.51 × 8.15 × 5.43 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.51 mm8.15 mm3.68 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817685728
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,582 CAD|Low: $644 CAD|High: $4,708 CAD|Avg: $2,817 CAD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$644 CAD
Retailer 2$1,220 CAD
Retailer 4$3,576 CAD
Brilliant Earth$4,582 CAD

38 data points across 4 retailers

4 retailers$644 CAD to $4,582 CAD

A
Cheapest Retailer
-
$644 CAD
$461 USD
Final sale: no returns
A
Retailer 2
-
$1,220 CAD
£688 GBP
View
Retailer 3
-
$3,576 CAD
$2,560 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21353545A · Oct 29
$4,582 CAD
$3,280 USD
View
3 more retailers have this diamond
Prices start from $644 CADSave up to $3,938 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
3.68ct Cushion
$644 CAD