Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG840662166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840662166

Diamond specifications and retailer prices

From $284 CAD
$203 USD
As of October 30, 2026
Save $1,306 CAD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,590 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise 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 LG840662166 or 840662166. Listed at 10 retailers as of October 30, 2026, with prices from $284 to $1,590, a $1,306 spread on the same certified stone. Reve Diamonds lists it at $1,590. 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 angle32.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840662166
Dimensions11.09 × 5.51 × 3.37 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
11.09 mm5.51 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840662166
Side View
Table 67.0%Crown 32.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

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 30
Current: $558 CAD|Low: $284 CAD|High: $1,590 CAD|Avg: $827 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 30, 2026
Retailer 7$284 CAD
Retailer 3$397 CAD
Retailer 1$558 CAD
Retailer 2$570 CAD
Retailer 8$596 CAD
Retailer 5$771 CAD
Retailer 6$1,072 CAD
Retailer 9$1,091 CAD
Retailer 4$1,484 CAD
Reve Diamonds$1,590 CAD

29 data points across 10 retailers

10 retailers$284 CAD to $1,590 CAD

A
Cheapest Retailer
-
$284 CAD
$203 USD
Final sale: no returns
A
Retailer 2
-
$397 CAD
£223 GBP
View
B+
Retailer 3
-
$558 CAD
$399 USD
View
A
Retailer 4
-
$570 CAD
£321 GBP
View
A
Retailer 5
-
$596 CAD
$426 USD
View
B+
Retailer 6
-
$771 CAD
A$847 AUD
View
B
Retailer 7
-
$1,072 CAD
$766 USD
View
B
Retailer 8
-
$1,091 CAD
$780 USD
View
B
Retailer 9
-
$1,484 CAD
£835 GBP
View
Most Expensive
B
Reve Diamonds
20A751231 · Oct 30
$1,590 CAD
$1,136 USD
View
9 more retailers have this diamond
Prices start from $284 CADSave up to $1,306 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 Marquise
$284 CAD