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Marquise|Lab Grown|IGI

1.23ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG621405395

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG621405395

Diamond specifications and retailer prices

From $890 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $890 USD 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 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG621405395 or 621405395. Listed at a single retailer as of November 2, 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

1.23
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621405395
Dimensions11.90 × 5.44 × 3.42 mm
L/W Ratio2.19
Girdle conditionFaceted
Culet sizePointed
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
11.90 mm5.44 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621405395
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: $890 USD|Low: $143 USD|High: $930 USD|Avg: $484 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
June 14, 2026
Retailer 9$328 USD
Retailer 4$369 USD
Retailer 2$417 USD
Retailer 8$507 USD
Retailer 6$528 USD
Retailer 3$550 USD
Retailer 5$664 USD
Retailer 7$749 USD
Brilliant Earth$890 USD

67 data points across 9 retailers

1 retailer

B
Brilliant Earth
19521125A · Nov 2
$890 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
1.23ct Marquise
$890 USD