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Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG802614520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802614520

Diamond specifications and retailer prices

From £178 GBP
$239 USD
As of November 2, 2026
Save £703 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £881 GBP at MOH London · As of November 1, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802614520 or 802614520. Listed at 15 retailers as of November 1, 2026, with prices from £178 to £881, a £703 spread on the same certified stone. MOH London lists it at £881. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802614520
Dimensions11.94 × 5.89 × 3.83 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm5.89 mm1.56 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802614520
Side View
Table 62.0%Crown 37.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £881 GBP|Low: £178 GBP|High: £1,026 GBP|Avg: £520 GBP|-14.1%
MOH London
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 2, 2026
Retailer 9£178 GBP
Retailer 13£198 GBP
Retailer 10£206 GBP
Retailer 2£257 GBP
Retailer 14£370 GBP
Retailer 16£373 GBP
Retailer 11£379 GBP
Retailer 5£396 GBP
Retailer 7£407 GBP
Retailer 3£444 GBP
Retailer 15£598 GBP
Retailer 12£709 GBP
Retailer 4£738 GBP
Retailer 6£744 GBP
MOH London£881 GBP
Retailer 8£954 GBP

34 data points across 16 retailers

15 retailers£178 GBP to £881 GBP

A
Cheapest Retailer
-
£178 GBP
$239 USD
A
Retailer 2
-
£198 GBP
$266 USD
View
Final sale: no returns
A
Retailer 3
-
£206 GBP
$276 USD
View
Retailer 4
-
£255 GBP
$342 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£257 GBP
View
A
Retailer 6
-
£370 GBP
$497 USD
View
Retailer 7
-
£373 GBP
$500 USD
View
Price last confirmed 6 days ago
A
Retailer 8
-
£379 GBP
ZAR 8,227 ZAR
View
Retailer 9
-
£444 GBP
View
Price last confirmed 17 days ago
Retailer 10
-
£493 GBP
A$1,018 AUD
View
Price last confirmed 122 days ago
Retailer 11
-
£598 GBP
A$1,234 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£709 GBP
$951 USD
View
Retailer 13
-
£738 GBP
$990 USD
View
Price last confirmed 26 days ago
Retailer 14
-
£819 GBP
$1,099 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
LG802614520 · Nov 1
£881 GBP
View
14 more retailers have this diamond
Prices start from £178 GBPSave up to £703 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
£178 GBP