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Marquise|Lab Grown|IGI

1.56ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG780645973

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780645973

Diamond specifications and retailer prices

From £725 GBP
CA$1,350 CAD
As of October 30, 2026
Save £234 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £959 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 LG780645973 or 780645973. Listed at 3 retailers as of October 30, 2026, with prices from £725 to £959, a £234 spread on the same certified stone. The Diamond Guys lists it at £959. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780645973
Dimensions11.61 × 6.00 × 3.87 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm6.00 mm1.56 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780645973
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £498 GBP|Low: £150 GBP|High: £1,784 GBP|Avg: £735 GBP|+0.5%
Retailer 1
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Retailer 15
The Diamond Guys
August 3, 2026
Retailer 6£254 GBP
Retailer 13£389 GBP
Retailer 15£471 GBP
Retailer 1£498 GBP
Retailer 4£513 GBP
Retailer 14£641 GBP
Retailer 8£694 GBP
Retailer 10£725 GBP
Retailer 3£792 GBP
Retailer 11£889 GBP
Retailer 12£940 GBP
The Diamond Guys£959 GBP
Retailer 7£967 GBP
Retailer 9£1,027 GBP
Retailer 5£1,448 GBP
Retailer 2£1,694 GBP

46 data points across 16 retailers

3 retailers£725 GBP to £959 GBP

Retailer 1
-
£694 GBP
A$1,430 AUD
Price last confirmed 139 days ago
B
Retailer 2
-
£725 GBP
CA$1,350 CAD
View
Most Expensive
B
The Diamond Guys
1954435556 · Nov 1
£959 GBP
$1,285 USD
View
2 more retailers have this diamond
Prices start from £725 GBPSave up to £234 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.

B
1.56ct Marquise
£725 GBP