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Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG816636331

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816636331

Diamond specifications and retailer prices

From $413 CAD
£233 GBP
As of October 30, 2026
Save $1,242 CAD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,655 CAD at MOH London · As of October 29, 2026
View at MOH London

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816636331 or 816636331. Listed at 9 retailers as of October 29, 2026, with prices from $413 to $1,655, a $1,242 spread on the same certified stone. MOH London lists it at $1,655. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816636331
Dimensions8.46 × 5.93 × 4.05 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm5.93 mm1.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816636331
Side View
Table 61.0%Crown 35.7°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 68.3%

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: $1,655 CAD|Low: $411 CAD|High: $1,655 CAD|Avg: $1,172 CAD|+7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$413 CAD
Retailer 3$597 CAD
Retailer 4$821 CAD
Retailer 8$823 CAD
Retailer 7$1,305 CAD
Retailer 6$1,456 CAD
Retailer 9$1,478 CAD
Retailer 5$1,509 CAD
MOH London$1,655 CAD

31 data points across 9 retailers

9 retailers$413 CAD to $1,655 CAD

A
Cheapest Retailer
-
$413 CAD
£233 GBP
A
Retailer 2
-
$597 CAD
€407 EUR
View
A
Retailer 3
-
$821 CAD
A$904 AUD
View
A
Retailer 4
-
$823 CAD
$589 USD
View
B+
Retailer 5
-
$1,305 CAD
$934 USD
View
B+
Retailer 6
-
$1,456 CAD
$1,042 USD
View
Retailer 7
-
$1,478 CAD
SGD 1,430 SGD
View
Price last confirmed 19 days ago
Retailer 8
-
$1,509 CAD
$1,080 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG816636331 · Oct 29
$1,655 CAD
£933 GBP
View
8 more retailers have this diamond
Prices start from $413 CADSave up to $1,242 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
$413 CAD