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Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG837656503

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837656503

Diamond specifications and retailer prices

From $422 CAD
$302 USD
As of October 30, 2026
Save $1,967 CAD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,389 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837656503 or 837656503. Listed at 23 retailers as of October 30, 2026, with prices from $422 to $2,389, a $1,967 spread on the same certified stone. Brilliant Earth lists it at $2,389. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837656503
Dimensions11.71 × 6.17 × 3.71 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm6.17 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837656503
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.1%

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: $2,389 CAD|Low: $422 CAD|High: $3,101 CAD|Avg: $1,122 CAD|-23.0%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 9$422 CAD
Retailer 10$440 CAD
Retailer 5$469 CAD
Retailer 12$524 CAD
Retailer 11$626 CAD
Retailer 17$691 CAD
Retailer 8$789 CAD
Retailer 15$807 CAD
Retailer 13$825 CAD
Retailer 18$829 CAD
Retailer 16$1,092 CAD
Retailer 2$1,112 CAD
Retailer 7$1,510 CAD
Retailer 4$1,538 CAD
Retailer 3$1,592 CAD
Retailer 6$1,808 CAD
Retailer 14$1,893 CAD
Brilliant Earth$2,389 CAD

34 data points across 18 retailers

23 retailers$422 CAD to $2,389 CAD

Retailer 1
-
$379 CAD
$271 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$422 CAD
$302 USD
View
Final sale: no returns
Retailer 3
-
$440 CAD
$315 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$469 CAD
$336 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$469 CAD
$336 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$524 CAD
£296 GBP
View
B+
Retailer 7
-
$626 CAD
$448 USD
View
A
Retailer 8
-
$691 CAD
$495 USD
View
A
Retailer 9
-
$789 CAD
$565 USD
View
A
Retailer 10
-
$807 CAD
ZAR 9,332 ZAR
View
A
Retailer 11
-
$825 CAD
£465 GBP
View
A
Retailer 12
-
$829 CAD
€565 EUR
View
B+
Retailer 13
-
$1,092 CAD
A$1,203 AUD
View
B+
Retailer 14
-
$1,112 CAD
$796 USD
View
Retailer 15
-
$1,510 CAD
$1,081 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$1,538 CAD
A$1,694 AUD
View
B
Retailer 17
-
$1,581 CAD
$1,132 USD
View
B
Retailer 18
-
$1,592 CAD
$1,140 USD
View
B
Retailer 19
-
$1,808 CAD
$1,294 USD
View
B
Retailer 20
-
$1,893 CAD
£1,067 GBP
View
B
Retailer 21
-
$1,926 CAD
$1,379 USD
View
B
Retailer 22
-
$1,984 CAD
$1,421 USD
View
Most Expensive
B
Brilliant Earth
21658637A · Oct 30
$2,389 CAD
$1,710 USD
View
22 more retailers have this diamond
Prices start from $422 CADSave up to $1,967 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
1.56ct Marquise
$422 CAD