Marquise|Lab Grown|IGI

1.56ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG841676254

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841676254

Diamond specifications and retailer prices

From $257 USD
As of November 1, 2026
Save $1,193 USD (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,450 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841676254 or 841676254. Listed at 4 retailers as of November 1, 2026, with prices from $257 to $1,450, a $1,193 spread on the same certified stone. Brilliant Earth lists it at $1,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841676254
Dimensions11.55 × 6.07 × 3.90 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.55 mm6.07 mm1.56 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841676254
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,450 USD|Low: $257 USD|High: $1,810 USD|Avg: $920 USD|-19.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$257 USD
Retailer 2$551 USD
Retailer 3$960 USD
Brilliant Earth$1,450 USD

29 data points across 4 retailers

4 retailers$257 USD to $1,450 USD

A
Cheapest Retailer
-
$257 USD
Final sale: no returns
A
Retailer 2
-
$551 USD
£434 GBP
View
B+
Retailer 3
-
$960 USD
View
Most Expensive
B
Brilliant Earth
21704295A · Nov 1
$1,450 USD
View
3 more retailers have this diamond
Prices start from $257 USDSave up to $1,193 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
1.56ct Marquise
$257 USD