Marquise|Lab Grown|IGI

1.73ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG541281106

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541281106

Diamond specifications and retailer prices

From $531 USD
As of November 1, 2026
Save $743 USD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,274 USD at MOH London · As of November 1, 2026
View at MOH London

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 LG541281106 or 541281106. Listed at 7 retailers as of November 1, 2026, with prices from $531 to $1,274, a $743 spread on the same certified stone. MOH London lists it at $1,274. 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 angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541281106
Dimensions11.81 × 6.58 × 3.97 mm
L/W Ratio1.79
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.81 mm6.58 mm1.73 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541281106
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,274 USD|Low: $318 USD|High: $1,366 USD|Avg: $726 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$318 USD
Retailer 5$531 USD
Retailer 3$549 USD
Retailer 8$580 USD
Retailer 2$602 USD
Retailer 7$616 USD
Retailer 4$1,251 USD
MOH London$1,274 USD

42 data points across 8 retailers

7 retailers$531 USD to $1,274 USD

Retailer 1
-
$318 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$531 USD
View
A
Retailer 3
-
$549 USD
ZAR 8,866 ZAR
View
A
Retailer 4
-
$602 USD
£474 GBP
View
A
Retailer 5
-
$616 USD
View
B
Retailer 6
-
$1,251 USD
View
Most Expensive
B+
MOH London
LG541281106 · Nov 1
$1,274 USD
£1,003 GBP
View
6 more retailers have this diamond
Prices start from $531 USDSave up to $743 USD

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
1.73ct Marquise
$531 USD