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Radiant|Lab Grown|IGI

1.51ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG603356455

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

Certificate IGI LG603356455

Diamond specifications and retailer prices

From £139 GBP
As of November 4, 2026
Save £808 GBP (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £947 GBP at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG603356455 or 603356455. Listed at 24 retailers as of November 2, 2026, with prices from £139 to £947, a £808 spread on the same certified stone. Diamond Exchange Canada lists it at £947. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603356455
Dimensions5.55 × 8.44 × 3.71 mm
L/W Ratio1.52
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
5.55 mm8.44 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603356455
Side View
Table 67.0%Crown 44.1°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £173 GBP|Low: £139 GBP|High: £870 GBP|Avg: £419 GBP|-3.3%
Retailer 1
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Retailer 20
November 5, 2026
Retailer 11£139 GBP
Retailer 7£156 GBP
Retailer 2£161 GBP
Retailer 1£173 GBP
Retailer 20£173 GBP
Retailer 15£196 GBP
Retailer 4£233 GBP
Retailer 5£246 GBP
Retailer 17£297 GBP
Retailer 12£309 GBP
Retailer 6£366 GBP
Retailer 16£401 GBP
Retailer 18£412 GBP
Retailer 9£554 GBP
Retailer 8£593 GBP
Retailer 13£699 GBP
Retailer 19£707 GBP
Retailer 10£717 GBP
Retailer 14£803 GBP
Retailer 3£855 GBP

27 data points across 20 retailers

24 retailers£139 GBP to £947 GBP

A
Cheapest Retailer
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£139 GBP
A
Retailer 2
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£156 GBP
View
Final sale: no returns
A
Retailer 3
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£161 GBP
View
Retailer 4
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£173 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
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£173 GBP
View
A
Retailer 6
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£196 GBP
View
B+
Retailer 7
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£233 GBP
View
A
Retailer 8
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£246 GBP
View
A
Retailer 9
-
£297 GBP
View
A
Retailer 10
-
£309 GBP
View
A
Retailer 11
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£366 GBP
View
A
Retailer 12
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£401 GBP
View
A
Retailer 13
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£412 GBP
View
B+
Retailer 14
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£554 GBP
View
B+
Retailer 15
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£556 GBP
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B+
Retailer 16
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£565 GBP
View
B+
Retailer 17
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£593 GBP
View
Retailer 18
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£699 GBP
View
Price last confirmed 17 days ago
Retailer 19
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£707 GBP
View
Price last confirmed 8 days ago
B+
Retailer 20
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£717 GBP
View
B
Retailer 21
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£742 GBP
View
B
Retailer 22
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£803 GBP
View
B
Retailer 23
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£855 GBP
View
Most Expensive
B
Diamond Exchange Canada
1950268706 · Nov 2
£947 GBP
CA$1,775 CAD
View
23 more retailers have this diamond
Prices start from £139 GBPSave up to £808 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
1.51ct Radiant
£139 GBP