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Marquise|Lab Grown|IGI

1.73ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG815631773

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815631773

Diamond specifications and retailer prices

From $1,994 CAD
$1,427 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $3,116 CAD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.73ct lab-grown marquise diamond

This 1.73ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815631773 or 815631773. Listed at 4 retailers as of October 27, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815631773
Dimensions11.94 × 6.36 × 3.96 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm6.36 mm1.73 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815631773
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $3,116 CAD|Low: $527 CAD|High: $3,116 CAD|Avg: $1,132 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 3$527 CAD
Retailer 5$764 CAD
Retailer 4$1,418 CAD
Retailer 2$1,994 CAD
Brilliant Earth$3,116 CAD

19 data points across 5 retailers

4 retailers

Retailer 1
-
$527 CAD
$377 USD
Price last confirmed 7 days ago
Retailer 2
-
$1,418 CAD
$1,015 USD
View
Price last confirmed 7 days ago
B
Retailer 3
-
$1,994 CAD
$1,427 USD
View
Most Expensive
Brilliant Earth
21223156A · Oct 8
$3,116 CAD
$2,230 USD
View
Price last confirmed 25 days ago
3 more retailers have this diamond
Prices start from $1,994 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.

B
1.73ct Marquise
$1,994 CAD