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Marquise|Lab Grown|IGI

1.65ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG820604760

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG820604760

Diamond specifications and retailer prices

From $691 CAD
$494 USD
As of October 29, 2026
Save $2,557 CAD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,623 CAD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG820604760 or 820604760. Listed at 15 retailers as of October 29, 2026, with a 370% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG820604760
Dimensions12.55 × 6.04 × 3.65 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.04 mm1.65 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG820604760
Side View
Table 62.0%Crown 39.7°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 60.4%

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 29
Current: $1,266 CAD|Low: $691 CAD|High: $3,337 CAD|Avg: $1,860 CAD|-3.8%
Retailer 1
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
October 30, 2026
Retailer 13$691 CAD
Retailer 12$966 CAD
Retailer 4$1,036 CAD
Retailer 1$1,266 CAD
Retailer 3$1,324 CAD
Retailer 11$1,337 CAD
Retailer 9$1,734 CAD
Retailer 8$1,784 CAD
Retailer 5$2,083 CAD
Retailer 7$2,491 CAD
Retailer 10$2,509 CAD
Retailer 14$2,830 CAD
Retailer 6$2,997 CAD
Retailer 2$3,248 CAD

22 data points across 14 retailers

15 retailers$691 CAD to $3,248 CAD

A
Cheapest Retailer
-
$691 CAD
$494 USD
Final sale: no returns
A
Retailer 2
-
$966 CAD
$690 USD
View
A
Retailer 3
-
$1,036 CAD
$740 USD
View
A
Retailer 4
-
$1,266 CAD
£712 GBP
View
A
Retailer 5
-
$1,324 CAD
ZAR 15,283 ZAR
View
A
Retailer 6
-
$1,337 CAD
€910 EUR
View
A
Retailer 7
-
$1,734 CAD
$1,239 USD
View
A
Retailer 8
-
$1,784 CAD
A$1,961 AUD
View
A
Retailer 9
-
$2,083 CAD
$1,488 USD
View
A
Retailer 10
-
$2,491 CAD
$1,780 USD
View
A
Retailer 11
-
$2,509 CAD
$1,793 USD
View
B+
Retailer 12
-
$2,830 CAD
£1,592 GBP
View
B+
Retailer 13
-
$2,997 CAD
$2,141 USD
View
B+
Retailer 14
-
$3,248 CAD
SGD 3,136 SGD
View
Most Expensive
Novita Diamonds
cert_820604760 · Oct 8
$3,623 CAD
A$3,982 AUD
View
Price last confirmed 22 days ago
14 more retailers have this diamond
Prices start from $691 CADSave up to $2,557 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 Marquise
$691 CAD