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Radiant|Lab Grown|IGI

1.59ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG814626974

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

Certificate IGI LG814626974

Diamond specifications and retailer prices

From £181 GBP
$242 USD
As of October 30, 2026
Save £1,066 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,246 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG814626974 or 814626974. Listed at 12 retailers as of October 30, 2026, with prices from £181 to £1,246, a £1,066 spread on the same certified stone. Brilliant Earth lists it at £1,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814626974
Dimensions8.24 × 5.64 × 3.74 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm5.64 mm1.59 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814626974
Side View
Table 68.0%Crown 45.6°Girdle: Slightly ThickPavilion 34.8°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 30
Current: £1,246 GBP|Low: £173 GBP|High: £1,306 GBP|Avg: £578 GBP|-3.5%
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
October 30, 2026
Retailer 11£181 GBP
Retailer 10£209 GBP
Retailer 12£248 GBP
Retailer 5£315 GBP
Retailer 6£361 GBP
Retailer 3£376 GBP
Retailer 2£521 GBP
Retailer 13£531 GBP
Retailer 4£716 GBP
Retailer 14£719 GBP
Retailer 9£722 GBP
Retailer 7£898 GBP
Retailer 8£981 GBP
Brilliant Earth£1,246 GBP

20 data points across 14 retailers

12 retailers£181 GBP to £1,246 GBP

A
Cheapest Retailer
-
£181 GBP
$242 USD
A
Retailer 2
-
£209 GBP
$280 USD
View
A
Retailer 3
-
£248 GBP
HK$2,600 HKD
View
A
Retailer 4
-
£376 GBP
$504 USD
View
A
Retailer 5
-
£521 GBP
A$1,075 AUD
View
B+
Retailer 6
-
£531 GBP
$712 USD
View
B+
Retailer 7
-
£716 GBP
SGD 1,296 SGD
View
B+
Retailer 8
-
£719 GBP
$963 USD
View
B+
Retailer 9
-
£722 GBP
$967 USD
View
B
Retailer 10
-
£898 GBP
View
B
Retailer 11
-
£981 GBP
$1,315 USD
View
Most Expensive
B
Brilliant Earth
20393942A · Oct 31
£1,246 GBP
$1,670 USD
View
11 more retailers have this diamond
Prices start from £181 GBPSave up to £1,066 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
1.59ct Radiant
£181 GBP