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Marquise|Lab Grown|IGI

1.56ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG852643420

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG852643420

Diamond specifications and retailer prices

From £200 GBP
$268 USD
As of November 2, 2026
Save £978 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,177 GBP at Brilliant Earth · As of October 30, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG852643420 or 852643420. Listed at 14 retailers as of October 30, 2026, with prices from £200 to £1,177, a £978 spread on the same certified stone. Brilliant Earth lists it at £1,177. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852643420
Dimensions12.20 × 5.95 × 3.71 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.20 mm5.95 mm1.56 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852643420
Side View
Table 60.0%Crown 35.3°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: Nov 2
Current: £1,177 GBP|Low: £200 GBP|High: £1,177 GBP|Avg: £562 GBP
Brilliant Earth
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 2, 2026
Retailer 4£200 GBP
Retailer 8£232 GBP
Retailer 7£276 GBP
Retailer 6£277 GBP
Retailer 11£365 GBP
Retailer 3£412 GBP
Retailer 13£434 GBP
Retailer 14£445 GBP
Retailer 2£762 GBP
Retailer 10£797 GBP
Retailer 5£797 GBP
Retailer 9£993 GBP
Retailer 12£1,028 GBP
Brilliant Earth£1,177 GBP

4 data points across 14 retailers

14 retailers£200 GBP to £1,177 GBP

A
Cheapest Retailer
-
£200 GBP
$268 USD
A
Retailer 2
-
£232 GBP
$311 USD
View
A
Retailer 3
-
£276 GBP
View
A
Retailer 4
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 5
-
£365 GBP
$490 USD
View
A
Retailer 6
-
£412 GBP
$553 USD
View
A
Retailer 7
-
£434 GBP
$582 USD
View
A
Retailer 8
-
£445 GBP
$597 USD
View
B+
Retailer 9
-
£762 GBP
$1,022 USD
View
B+
Retailer 10
-
£797 GBP
$1,069 USD
View
B+
Retailer 11
-
£797 GBP
SGD 1,446 SGD
View
B
Retailer 12
-
£993 GBP
View
B
Retailer 13
-
£1,028 GBP
$1,379 USD
View
Most Expensive
B
Brilliant Earth
22364833A · Oct 30
£1,177 GBP
$1,580 USD
View
13 more retailers have this diamond
Prices start from £200 GBPSave up to £978 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
£200 GBP