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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG831643841

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831643841

Diamond specifications and retailer prices

From $361 CAD
$257 USD
As of October 23, 2026
Save $1,563 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,924 CAD at With Clarity · As of October 27, 2026
View at With Clarity

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831643841 or 831643841. Listed at 14 retailers as of October 23, 2026, with prices from $361 to $1,924, a $1,563 spread on the same certified stone. With Clarity lists it at $1,924. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831643841
Dimensions12.53 × 6.23 × 3.77 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.53 mm6.23 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831643841
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $674 CAD|Low: $361 CAD|High: $2,092 CAD|Avg: $1,237 CAD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 28, 2026
Retailer 10$361 CAD
Retailer 7$419 CAD
Retailer 3$551 CAD
Retailer 1$674 CAD
Retailer 5$739 CAD
Retailer 2$930 CAD
Retailer 6$1,052 CAD
Retailer 8$1,377 CAD
Retailer 12$1,440 CAD
Retailer 11$1,636 CAD
Retailer 9$1,805 CAD
Retailer 4$1,887 CAD
With Clarity$1,924 CAD

28 data points across 13 retailers

14 retailers$361 CAD to $1,924 CAD

A
Cheapest Retailer
-
$361 CAD
$257 USD
A
Retailer 2
-
$419 CAD
$298 USD
View
A
Retailer 3
-
$551 CAD
£309 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$674 CAD
$480 USD
View
A
Retailer 5
-
$739 CAD
€501 EUR
View
A
Retailer 6
-
$930 CAD
$662 USD
View
B+
Retailer 7
-
$1,052 CAD
A$1,152 AUD
View
B+
Retailer 8
-
$1,089 CAD
$775 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$1,377 CAD
$980 USD
View
B+
Retailer 10
-
$1,440 CAD
$1,025 USD
View
B+
Retailer 11
-
$1,636 CAD
$1,165 USD
View
B
Retailer 12
-
$1,805 CAD
£1,012 GBP
View
Price last confirmed 8 days ago
B
Retailer 13
-
$1,887 CAD
SGD 1,815 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
With Clarity
831643841 · Oct 27
$1,924 CAD
$1,370 USD
View
13 more retailers have this diamond
Prices start from $361 CADSave up to $1,563 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
$361 CAD