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Marquise|Lab Grown|IGI

1.21ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG541281621

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541281621

Diamond specifications and retailer prices

From $373 USD
As of November 4, 2026
Save $615 USD (62%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $988 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541281621 or 541281621. Listed at 3 retailers as of November 1, 2026, with prices from $373 to $988, a $615 spread on the same certified stone. MOH London lists it at $988. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541281621
Dimensions11.40 × 6.02 × 3.03 mm
L/W Ratio1.89
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
11.40 mm6.02 mm1.21 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541281621
Side View
Table 59.5%Crown 34.6°Girdle: THN-MEDPavilion 33.1°Culet: NoneDepth 50.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $988 USD|Low: $352 USD|High: $1,001 USD|Avg: $559 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 2$373 USD
Retailer 3$377 USD
Retailer 4$500 USD
MOH London$988 USD

43 data points across 4 retailers

3 retailers$373 USD to $988 USD

A
Cheapest Retailer
-
$373 USD
A
Retailer 2
-
$377 USD
View
Most Expensive
B
MOH London
LG541281621 · Nov 1
$988 USD
£778 GBP
View
2 more retailers have this diamond
Prices start from $373 USDSave up to $615 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
1.21ct Marquise
$373 USD