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Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG741523437

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741523437

Diamond specifications and retailer prices

From $432 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $432 USD at B2C Jewels
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 B2C Jewels

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG741523437 or 741523437. 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
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741523437
Dimensions11.56 × 5.54 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
11.56 mm5.54 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741523437
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $432 USD|Low: $417 USD|High: $2,720 USD|Avg: $1,009 USD|+3.6%
B2C Jewels
Retailer 2
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Retailer 13
September 23, 2026
B2C Jewels$432 USD
Retailer 9$438 USD
Retailer 8$495 USD
Retailer 11$674 USD
Retailer 2$704 USD
Retailer 4$731 USD
Retailer 7$764 USD
Retailer 6$944 USD
Retailer 3$967 USD
Retailer 5$994 USD
Retailer 13$1,356 USD
Retailer 12$1,364 USD
Retailer 10$2,720 USD

48 data points across 13 retailers

1 retailer

B+
B2C Jewels
31493255 · Nov 2
$432 USD
View

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B+
1.23ct Marquise
$432 USD