Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG802630394

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802630394

Diamond specifications and retailer prices

From £198 GBP
$266 USD
As of October 30, 2026
Save £683 GBP (78%) vs most expensive(unlock to see where)
12 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 LG802630394 or 802630394. Listed at 12 retailers as of October 30, 2026, with prices from £198 to £881, a £683 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802630394
Dimensions12.53 × 5.99 × 3.71 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.53 mm5.99 mm1.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802630394
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £881 GBP|Low: £198 GBP|High: £1,026 GBP|Avg: £552 GBP|-14.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 8£198 GBP
Retailer 9£370 GBP
Retailer 11£373 GBP
Retailer 2£379 GBP
Retailer 14£396 GBP
Retailer 3£407 GBP
Retailer 12£444 GBP
Retailer 6£493 GBP
Retailer 10£598 GBP
Retailer 7£709 GBP
Retailer 13£738 GBP
Retailer 4£744 GBP
MOH London£881 GBP
Retailer 5£954 GBP

31 data points across 14 retailers

12 retailers£198 GBP to £881 GBP

A
Cheapest Retailer
-
£198 GBP
$266 USD
Final sale: no returns
Retailer 2
-
£255 GBP
$342 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£370 GBP
$497 USD
View
Retailer 4
-
£373 GBP
$500 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
£379 GBP
ZAR 8,227 ZAR
View
Retailer 6
-
£444 GBP
View
Price last confirmed 17 days ago
Retailer 7
-
£493 GBP
A$1,018 AUD
View
Price last confirmed 122 days ago
Retailer 8
-
£598 GBP
A$1,234 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£709 GBP
$951 USD
View
Retailer 10
-
£738 GBP
$990 USD
View
Price last confirmed 26 days ago
Retailer 11
-
£819 GBP
$1,099 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
LG802630394 · Nov 1
£881 GBP
View
11 more retailers have this diamond
Prices start from £198 GBPSave up to £683 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
£198 GBP