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Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG803604001

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

Certificate IGI LG803604001

Diamond specifications and retailer prices

From $327 CAD
$234 USD
As of October 25, 2026
Save $1,419 CAD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,746 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown cushion diamond

This 1.2ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803604001 or 803604001. Listed at 15 retailers as of October 25, 2026, with prices from $327 to $1,746, a $1,419 spread on the same certified stone. Brilliant Earth lists it at $1,746. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803604001
Dimensions6.24 × 6.20 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.24 mm6.20 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803604001
Side View
Table 59.0%Crown 34.6°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 66.1%

Caratlytics Score

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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 25
Current: $1,746 CAD|Low: $284 CAD|High: $1,746 CAD|Avg: $793 CAD|+11.6%
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
Retailer 17
October 30, 2026
Retailer 7$327 CAD
Retailer 10$337 CAD
Retailer 13$408 CAD
Retailer 8$497 CAD
Retailer 16$534 CAD
Retailer 11$570 CAD
Retailer 14$589 CAD
Retailer 2$598 CAD
Retailer 9$774 CAD
Retailer 6$775 CAD
Retailer 5$799 CAD
Retailer 3$894 CAD
Retailer 4$949 CAD
Retailer 15$1,120 CAD
Retailer 17$1,481 CAD
Retailer 12$1,612 CAD
Brilliant Earth$1,746 CAD

16 data points across 17 retailers

15 retailers$327 CAD to $1,746 CAD

A
Cheapest Retailer
-
$327 CAD
$234 USD
A
Retailer 2
-
$337 CAD
$241 USD
View
Final sale: no returns
A
Retailer 3
-
$408 CAD
£230 GBP
View
A
Retailer 4
-
$534 CAD
€364 EUR
View
A
Retailer 5
-
$570 CAD
$408 USD
View
A
Retailer 6
-
$589 CAD
£332 GBP
View
A
Retailer 7
-
$598 CAD
$428 USD
View
B+
Retailer 8
-
$775 CAD
$555 USD
View
Retailer 9
-
$799 CAD
A$880 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$894 CAD
$640 USD
View
B+
Retailer 11
-
$949 CAD
A$1,045 AUD
View
B+
Retailer 12
-
$1,120 CAD
$801 USD
View
B
Retailer 13
-
$1,481 CAD
£835 GBP
View
B
Retailer 14
-
$1,612 CAD
$1,154 USD
View
Most Expensive
B
Brilliant Earth
19740795A · Oct 29
$1,746 CAD
$1,250 USD
View
14 more retailers have this diamond
Prices start from $327 CADSave up to $1,419 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
1.20ct Cushion
$327 CAD