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Cushion|Lab Grown|IGI

3.70ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG617400066

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG617400066

Diamond specifications and retailer prices

From $1,264 CAD
€862 EUR
As of October 29, 2026
Save $3,345 CAD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,610 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.7ct lab-grown cushion diamond

This 3.7ct 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 LG617400066 or 617400066. Listed at 14 retailers as of October 29, 2026, with prices from $1,264 to $4,610, a $3,345 spread on the same certified stone. Brilliant Earth lists it at $4,610. 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

3.70
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617400066
Dimensions9.09 × 8.92 × 5.81 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.09 mm8.92 mm3.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617400066
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,610 CAD|Low: $724 CAD|High: $4,749 CAD|Avg: $1,965 CAD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 7$724 CAD
Retailer 15$916 CAD
Retailer 14$1,025 CAD
Retailer 10$1,264 CAD
Retailer 3$1,292 CAD
Retailer 4$1,418 CAD
Retailer 9$1,421 CAD
Retailer 6$1,449 CAD
Retailer 13$1,879 CAD
Retailer 2$1,935 CAD
Retailer 12$1,990 CAD
Retailer 8$2,171 CAD
Retailer 5$2,977 CAD
Retailer 16$3,397 CAD
Retailer 11$3,846 CAD
Brilliant Earth$4,610 CAD

35 data points across 16 retailers

14 retailers$1,264 CAD to $4,610 CAD

Retailer 1
-
$916 CAD
$656 USD
Price last confirmed 14 days ago
Retailer 2
-
$1,025 CAD
£578 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,264 CAD
€862 EUR
View
A
Retailer 4
-
$1,292 CAD
$925 USD
View
B+
Retailer 5
-
$1,418 CAD
$1,015 USD
View
A
Retailer 6
-
$1,421 CAD
£801 GBP
View
A
Retailer 7
-
$1,449 CAD
$1,037 USD
View
A
Retailer 8
-
$1,879 CAD
$1,345 USD
View
A
Retailer 9
-
$1,935 CAD
A$2,131 AUD
View
A
Retailer 10
-
$1,990 CAD
ZAR 23,015 ZAR
View
B+
Retailer 11
-
$2,977 CAD
$2,131 USD
View
B
Retailer 12
-
$3,397 CAD
$2,432 USD
View
B
Retailer 13
-
$3,846 CAD
£2,168 GBP
View
Most Expensive
B
Brilliant Earth
8994055A · Oct 29
$4,610 CAD
$3,300 USD
View
13 more retailers have this diamond
Prices start from $1,264 CADSave up to $3,345 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
3.70ct Cushion
$1,264 CAD