Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG818657945

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818657945

Diamond specifications and retailer prices

From $323 CAD
$231 USD
As of October 30, 2026
Save $1,380 CAD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,704 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 LG818657945 or 818657945. Listed at 22 retailers as of October 30, 2026, with prices from $323 to $1,704, a $1,380 spread on the same certified stone. Reve Diamonds lists it at $1,704. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657945
Dimensions10.50 × 5.48 × 3.39 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.50 mm5.48 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657945
Side View
Table 58.0%Crown 37.3°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 61.9%

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 30
Current: $663 CAD|Low: $323 CAD|High: $1,459 CAD|Avg: $762 CAD|+4.3%
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
October 30, 2026
Retailer 2$323 CAD
Retailer 5$360 CAD
Retailer 3$487 CAD
Retailer 6$588 CAD
Retailer 8$618 CAD
Retailer 1$663 CAD
Retailer 11$753 CAD
Retailer 9$880 CAD
Retailer 12$882 CAD
Retailer 13$928 CAD
Retailer 7$1,021 CAD
Retailer 4$1,204 CAD
Retailer 10$1,445 CAD

43 data points across 13 retailers

22 retailers$323 CAD to $1,704 CAD

Retailer 1
-
$279 CAD
$199 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$323 CAD
$231 USD
View
Final sale: no returns
Retailer 3
-
$337 CAD
$241 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$360 CAD
$257 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$412 CAD
HK$2,300 HKD
View
B+
Retailer 6
-
$487 CAD
$348 USD
View
A
Retailer 7
-
$588 CAD
€400 EUR
View
A
Retailer 8
-
$609 CAD
$435 USD
View
A
Retailer 9
-
$618 CAD
ZAR 7,136 ZAR
View
A
Retailer 10
-
$663 CAD
£373 GBP
View
B+
Retailer 11
-
$753 CAD
A$828 AUD
View
B+
Retailer 12
-
$880 CAD
A$967 AUD
View
B+
Retailer 13
-
$882 CAD
$630 USD
View
B
Retailer 14
-
$928 CAD
$663 USD
View
B+
Retailer 15
-
$1,021 CAD
A$1,122 AUD
View
Retailer 16
-
$1,157 CAD
$827 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$1,171 CAD
SGD 1,131 SGD
View
B
Retailer 18
-
$1,204 CAD
$860 USD
View
B
Retailer 19
-
$1,227 CAD
$877 USD
View
B
Retailer 20
-
$1,231 CAD
$880 USD
View
B
Retailer 21
-
$1,445 CAD
£813 GBP
View
Most Expensive
B
Reve Diamonds
02ACDE5D5 · Oct 30
$1,704 CAD
$1,217 USD
View
21 more retailers have this diamond
Prices start from $323 CADSave up to $1,380 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
$323 CAD