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Marquise|Lab Grown|IGI

1.56ct E FL Marquise Lab Grown Diamond

EX • E/FL

Diamond specifications and retailer prices

From £531 GBP
$712 USD
As of October 28, 2026
Save £228 GBP (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £759 GBP at B2C Jewels · As of October 30, 2026
View at B2C Jewels

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 28, 2026, with prices from £531 to £759, a £228 spread on the same certified stone. B2C Jewels lists it at £759. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions12.31 × 6.03 × 3.73 mm
L/W Ratio2.04
Top View
12.31 mm6.03 mm1.56 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £759 GBP|Low: £531 GBP|High: £4,988 GBP|Avg: £2,434 GBP|-26.1%
B2C Jewels
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£531 GBP
B2C Jewels£759 GBP
Retailer 3£4,988 GBP

6 data points across 3 retailers

2 retailers£531 GBP to £759 GBP

A
Cheapest Retailer
-
£531 GBP
$712 USD
Most Expensive
A
B2C Jewels
36831976 · Oct 30
£759 GBP
$1,017 USD
View
1 more retailer has this diamond
Prices start from £531 GBPSave up to £228 GBP

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
£531 GBP