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Radiant|Lab Grown|IGI

1.56ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG844624643

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG844624643

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of October 30, 2026
Save £573 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £814 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant 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 LG844624643 or 844624643. Listed at 11 retailers as of October 30, 2026, with a 409% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844624643
Dimensions8.17 × 5.70 × 3.89 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm5.70 mm1.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844624643
Side View
Table 65.0%Crown 45.9°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.2%

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: £814 GBP|Low: £140 GBP|High: £818 GBP|Avg: £491 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£140 GBP
Retailer 5£162 GBP
Retailer 4£214 GBP
Retailer 2£297 GBP
Retailer 11£424 GBP
Retailer 8£559 GBP
Retailer 7£561 GBP
Retailer 9£642 GBP
Retailer 10£663 GBP
Retailer 3£713 GBP
MOH London£814 GBP

14 data points across 11 retailers

11 retailers£140 GBP to £713 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
A
Retailer 2
-
£162 GBP
$218 USD
View
A
Retailer 3
-
£214 GBP
View
A
Retailer 4
-
£297 GBP
€380 EUR
View
A
Retailer 5
-
£424 GBP
$569 USD
View
B+
Retailer 6
-
£559 GBP
$750 USD
View
B+
Retailer 7
-
£561 GBP
$753 USD
View
B+
Retailer 8
-
£642 GBP
$861 USD
View
B+
Retailer 9
-
£663 GBP
$890 USD
View
B+
Retailer 10
-
£713 GBP
$957 USD
View
Most Expensive
MOH London
LG844624643 · Oct 25
£814 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from £140 GBPSave up to £573 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 Radiant
£140 GBP