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Radiant|Lab Grown|IGI

1.56ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG675583642

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

Certificate IGI LG675583642

Diamond specifications and retailer prices

From £143 GBP
$190 USD
As of October 27, 2026
Save £783 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £926 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675583642 or 675583642. Listed at 20 retailers as of October 27, 2026, with prices from £143 to £926, a £783 spread on the same certified stone. Brilliant Earth lists it at £926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675583642
Dimensions8.18 × 5.76 × 3.93 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.76 mm1.56 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675583642
Side View
Table 68.0%Crown 48.1°Girdle: Slightly ThickPavilion 34.3°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 27
Current: £926 GBP|Low: £137 GBP|High: £956 GBP|Avg: £443 GBP|-3.1%
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 15£143 GBP
Retailer 7£166 GBP
Retailer 8£177 GBP
Retailer 17£177 GBP
Retailer 2£218 GBP
Retailer 5£311 GBP
Retailer 10£320 GBP
Retailer 12£330 GBP
Retailer 6£371 GBP
Retailer 9£373 GBP
Retailer 4£569 GBP
Retailer 13£570 GBP
Retailer 16£655 GBP
Retailer 3£736 GBP
Retailer 11£829 GBP
Retailer 14£918 GBP
Brilliant Earth£926 GBP

42 data points across 17 retailers

20 retailers£143 GBP to £926 GBP

A
Cheapest Retailer
-
£143 GBP
$190 USD
A
Retailer 2
-
£166 GBP
$220 USD
View
A
Retailer 3
-
£177 GBP
$235 USD
View
A
Retailer 4
-
£177 GBP
$235 USD
View
A
Retailer 5
-
£218 GBP
View
B+
Retailer 6
-
£311 GBP
$413 USD
View
A
Retailer 7
-
£320 GBP
View
A
Retailer 8
-
£330 GBP
€418 EUR
View
A
Retailer 9
-
£371 GBP
$493 USD
View
A
Retailer 10
-
£373 GBP
$495 USD
View
B+
Retailer 11
-
£569 GBP
$756 USD
View
B+
Retailer 12
-
£570 GBP
$758 USD
View
B+
Retailer 13
-
£609 GBP
$810 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£655 GBP
$870 USD
View
B+
Retailer 15
-
£687 GBP
View
B+
Retailer 16
-
£712 GBP
$946 USD
View
B+
Retailer 17
-
£736 GBP
$978 USD
View
B
Retailer 18
-
£829 GBP
View
B
Retailer 19
-
£918 GBP
View
Most Expensive
B
Brilliant Earth
13300157A · Oct 28
£926 GBP
$1,230 USD
View
19 more retailers have this diamond
Prices start from £143 GBPSave up to £783 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
£143 GBP