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Marquise|Lab Grown|IGI

1.21ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG833657867

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833657867

Diamond specifications and retailer prices

From $1,330 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $1,330 USD at Brilliant Earth
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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833657867 or 833657867. Listed at 2 retailers as of November 2, 2026. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833657867
Dimensions11.32 × 5.50 × 3.40 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.32 mm5.50 mm1.21 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833657867
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,330 USD|Low: $381 USD|High: $1,330 USD|Avg: $512 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 14, 2026
Retailer 4$381 USD
Retailer 3$387 USD
Retailer 2$432 USD
Retailer 5$559 USD
Brilliant Earth$1,330 USD

14 data points across 5 retailers

2 retailers

Retailer 1
-
$432 USD
£340 GBP
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21267518A · Nov 2
$1,330 USD
View
1 more retailer has this diamond

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
$1,330 USD