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Radiant|Lab Grown|IGI

1.56ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG603337459

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

Certificate IGI LG603337459

Diamond specifications and retailer prices

From £157 GBP
$208 USD
As of October 23, 2026
Save £635 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £792 GBP at Brilliance · As of October 26, 2026
View at Brilliance

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 LG603337459 or 603337459. Listed at 21 retailers as of October 23, 2026, with prices from £157 to £792, a £635 spread on the same certified stone. Brilliance lists it at £792. 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 angle39.7°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603337459
Dimensions8.55 × 5.67 × 3.76 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.55 mm5.67 mm1.56 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603337459
Side View
Table 67.0%Crown 39.7°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.3%

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 23
Current: £792 GBP|Low: £157 GBP|High: £913 GBP|Avg: £485 GBP|-13.3%
Brilliance
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
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 9£157 GBP
Retailer 4£182 GBP
Retailer 11£192 GBP
Retailer 14£194 GBP
Retailer 17£194 GBP
Retailer 5£222 GBP
Retailer 10£322 GBP
Retailer 15£336 GBP
Retailer 12£356 GBP
Retailer 3£376 GBP
Retailer 18£388 GBP
Retailer 16£625 GBP
Retailer 13£627 GBP
Retailer 6£630 GBP
Retailer 8£665 GBP
Retailer 7£757 GBP
Retailer 2£783 GBP
Retailer 19£790 GBP
Brilliance£792 GBP

38 data points across 19 retailers

21 retailers£157 GBP to £792 GBP

A
Cheapest Retailer
-
£157 GBP
$208 USD
A
Retailer 2
-
£182 GBP
$242 USD
View
A
Retailer 3
-
£192 GBP
$255 USD
View
Final sale: no returns
A
Retailer 4
-
£194 GBP
$258 USD
View
A
Retailer 5
-
£194 GBP
$258 USD
View
A
Retailer 6
-
£222 GBP
HK$2,300 HKD
View
A
Retailer 7
-
£322 GBP
€407 EUR
View
B+
Retailer 8
-
£336 GBP
$446 USD
View
A
Retailer 9
-
£356 GBP
View
A
Retailer 10
-
£376 GBP
$499 USD
View
A
Retailer 11
-
£388 GBP
$516 USD
View
B+
Retailer 12
-
£566 GBP
View
B+
Retailer 13
-
£625 GBP
$830 USD
View
B+
Retailer 14
-
£627 GBP
$833 USD
View
B+
Retailer 15
-
£630 GBP
SGD 1,131 SGD
View
B+
Retailer 16
-
£665 GBP
$883 USD
View
B+
Retailer 17
-
£713 GBP
$947 USD
View
B
Retailer 18
-
£757 GBP
View
B+
Retailer 19
-
£783 GBP
View
B+
Retailer 20
-
£790 GBP
$1,050 USD
View
Most Expensive
B+
Brilliance
D22537569 · Oct 26
£792 GBP
$1,052 USD
View
20 more retailers have this diamond
Prices start from £157 GBPSave up to £635 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
£157 GBP