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Radiant|Lab Grown|IGI

1.55ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG677514239

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

Certificate IGI LG677514239

Diamond specifications and retailer prices

From £158 GBP
As of November 4, 2026
Save £639 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £796 GBP at Brilliance · As of November 4, 2026
View at Brilliance

About this 1.55ct lab-grown radiant diamond

This 1.55ct 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 LG677514239 or 677514239. Listed at 18 retailers as of November 4, 2026, with prices from £158 to £796, a £639 spread on the same certified stone. Brilliance lists it at £796. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677514239
Dimensions8.50 × 5.67 × 3.66 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.50 mm5.67 mm1.55 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677514239
Side View
Table 58.0%Crown 42.7°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £796 GBP|Low: £151 GBP|High: £796 GBP|Avg: £426 GBP
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 18
November 5, 2026
Retailer 4£158 GBP
Retailer 18£183 GBP
Retailer 3£196 GBP
Retailer 10£196 GBP
Retailer 11£222 GBP
Retailer 15£322 GBP
Retailer 7£336 GBP
Retailer 13£337 GBP
Retailer 2£358 GBP
Retailer 8£389 GBP
Retailer 6£441 GBP
Retailer 12£455 GBP
Retailer 5£629 GBP
Retailer 17£631 GBP
Retailer 9£667 GBP
Retailer 16£711 GBP
Retailer 14£783 GBP
Brilliance£796 GBP

34 data points across 18 retailers

18 retailers£158 GBP to £796 GBP

A
Cheapest Retailer
-
£158 GBP
A
Retailer 2
-
£183 GBP
View
Retailer 3
-
£196 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£196 GBP
View
A
Retailer 5
-
£222 GBP
View
A
Retailer 6
-
£322 GBP
View
B+
Retailer 7
-
£336 GBP
View
A
Retailer 8
-
£337 GBP
View
A
Retailer 9
-
£358 GBP
View
A
Retailer 10
-
£389 GBP
View
A
Retailer 11
-
£441 GBP
View
A
Retailer 12
-
£455 GBP
View
B
Retailer 13
-
£629 GBP
View
B
Retailer 14
-
£631 GBP
View
B+
Retailer 15
-
£667 GBP
View
Retailer 16
-
£711 GBP
View
Price last confirmed 18 days ago
B
Retailer 17
-
£783 GBP
View
Most Expensive
B
Brilliance
D29900102 · Nov 4
£796 GBP
$1,075 USD
View
17 more retailers have this diamond
Prices start from £158 GBPSave up to £639 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
1.55ct Radiant
£158 GBP