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Cushion|Lab Grown|IGI

1.65ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836620508

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836620508

Diamond specifications and retailer prices

From $894 CAD
$640 USD
As of October 30, 2026
Save $3,841 CAD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,735 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620508 or 836620508. Listed at 15 retailers as of October 30, 2026, with prices from $894 to $4,735, a $3,841 spread on the same certified stone. Brilliant Earth lists it at $4,735. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620508
Dimensions8.80 × 5.94 × 4.01 mm
L/W Ratio1.48
Girdle conditionFaceted
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
8.80 mm5.94 mm1.65 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620508
Side View
Table 63.0%Crown 32.6°Girdle: MED-THKPavilion 34.7°Culet: NoneDepth 67.5%

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 30
Current: $4,735 CAD|Low: $894 CAD|High: $6,035 CAD|Avg: $2,666 CAD|-21.5%
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
October 30, 2026
Retailer 15$894 CAD
Retailer 7$1,056 CAD
Retailer 12$1,125 CAD
Retailer 4$1,504 CAD
Retailer 8$1,524 CAD
Retailer 9$1,580 CAD
Retailer 11$1,679 CAD
Retailer 13$1,789 CAD
Retailer 5$2,199 CAD
Retailer 3$2,853 CAD
Retailer 14$3,166 CAD
Retailer 2$3,417 CAD
Retailer 6$4,261 CAD
Retailer 10$4,263 CAD
Brilliant Earth$4,735 CAD

31 data points across 15 retailers

15 retailers$894 CAD to $4,735 CAD

A
Cheapest Retailer
-
$894 CAD
$640 USD
Final sale: no returns
Retailer 2
-
$1,056 CAD
$756 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,125 CAD
$805 USD
View
A
Retailer 4
-
$1,504 CAD
$1,077 USD
View
A
Retailer 5
-
$1,524 CAD
£859 GBP
View
A
Retailer 6
-
$1,580 CAD
€1,077 EUR
View
A
Retailer 7
-
$1,679 CAD
ZAR 19,413 ZAR
View
A
Retailer 8
-
$1,789 CAD
$1,281 USD
View
A
Retailer 9
-
$2,199 CAD
$1,574 USD
View
B+
Retailer 10
-
$2,853 CAD
£1,608 GBP
View
B+
Retailer 11
-
$3,166 CAD
$2,266 USD
View
B+
Retailer 12
-
$3,417 CAD
$2,446 USD
View
Retailer 13
-
$4,261 CAD
$3,050 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$4,263 CAD
£2,403 GBP
View
Most Expensive
B
Brilliant Earth
21589063A · Oct 30
$4,735 CAD
$3,390 USD
View
14 more retailers have this diamond
Prices start from $894 CADSave up to $3,841 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
1.65ct Cushion
$894 CAD