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Radiant|Lab Grown|IGI

1.54ct G VVS1 Radiant Lab Grown Diamond

EX • G/VVS1 • IGI LG784689737

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

Certificate IGI LG784689737

Diamond specifications and retailer prices

From £154 GBP
As of November 4, 2026
Save £1,035 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,211 GBP at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG784689737 or 784689737. Listed at 24 retailers as of November 2, 2026, with a 673% 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

1.54
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle18.9°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784689737
Dimensions8.42 × 5.55 × 3.77 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm5.55 mm1.54 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784689737
Side View
Table 64.0%Crown 18.9°Girdle: ThickPavilion 37°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,189 GBP|Low: £152 GBP|High: £1,204 GBP|Avg: £492 GBP|-1.2%
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 4£154 GBP
Retailer 12£172 GBP
Retailer 21£178 GBP
Retailer 15£189 GBP
Retailer 10£191 GBP
Retailer 16£201 GBP
Retailer 6£259 GBP
Retailer 22£317 GBP
Retailer 20£329 GBP
Retailer 2£348 GBP
Retailer 3£438 GBP
Retailer 19£444 GBP
Retailer 8£483 GBP
Retailer 18£500 GBP
Retailer 14£613 GBP
Retailer 9£652 GBP
Retailer 5£713 GBP
Retailer 13£762 GBP
Retailer 11£763 GBP
Retailer 17£828 GBP
Retailer 7£903 GBP
Brilliant Earth£1,189 GBP

27 data points across 22 retailers

24 retailers£154 GBP to £1,189 GBP

A
Cheapest Retailer
-
£154 GBP
A
Retailer 2
-
£172 GBP
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
View
Retailer 4
-
£189 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£191 GBP
View
A
Retailer 6
-
£201 GBP
View
B+
Retailer 7
-
£259 GBP
View
A
Retailer 8
-
£317 GBP
View
A
Retailer 9
-
£329 GBP
View
A
Retailer 10
-
£348 GBP
View
A
Retailer 11
-
£438 GBP
View
A
Retailer 12
-
£444 GBP
View
B+
Retailer 13
-
£483 GBP
View
B+
Retailer 14
-
£500 GBP
View
B+
Retailer 15
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£613 GBP
View
B
Retailer 16
-
£652 GBP
View
B+
Retailer 17
-
£713 GBP
View
B+
Retailer 18
-
£762 GBP
View
B
Retailer 19
-
£763 GBP
View
B
Retailer 20
-
£828 GBP
View
B
Retailer 21
-
£903 GBP
View
B
Retailer 22
-
£1,189 GBP
View
Retailer 23
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£1,204 GBP
View
Price last confirmed 21 days ago
Most Expensive
Brilliant Earth
21740862A · Oct 9
£1,211 GBP
$1,630 USD
View
Price last confirmed 27 days ago
23 more retailers have this diamond
Prices start from £154 GBPSave up to £1,035 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
1.54ct Radiant
£154 GBP