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Marquise|Lab Grown|IGI

1.21ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG776623399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG776623399

Diamond specifications and retailer prices

From €722 EUR
$810 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €722 EUR at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776623399 or 776623399. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776623399
Dimensions10.86 × 5.49 × 3.52 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Top View
10.86 mm5.49 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776623399
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €722 EUR|Low: €169 EUR|High: €978 EUR|Avg: €479 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 14, 2026
Retailer 2€286 EUR
Retailer 8€291 EUR
Retailer 5€318 EUR
Retailer 4€332 EUR
Retailer 3€482 EUR
Retailer 7€629 EUR
Brilliant Earth€722 EUR
Retailer 6€938 EUR

25 data points across 8 retailers

1 retailer

B
Brilliant Earth
17793251A · Oct 30
€722 EUR
$810 USD
View

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
1.21ct Marquise
€722 EUR