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Radiant|Lab Grown|IGI

1.55ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG654433592

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

Certificate IGI LG654433592

Diamond specifications and retailer prices

From £797 GBP
As of November 5, 2026
2 retailers carry this diamond
Most expensive: £1,131 GBP at Rare Carat
View at Rare Carat

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG654433592 or 654433592. Listed at 2 retailers as of November 5, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654433592
Dimensions8.50 × 5.70 mm
L/W Ratio1.49
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.50 mm5.70 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654433592
Side View
Table 64.0%Crown 40.6°Girdle: MediumPavilion 32.9°Culet: NoneDepth 65.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,131 GBP|Low: £513 GBP|High: £1,635 GBP|Avg: £1,025 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
January 4, 2026
Retailer 2£513 GBP
Retailer 4£748 GBP
Retailer 7£811 GBP
Retailer 6£1,098 GBP
Rare Carat£1,131 GBP
Retailer 3£1,174 GBP
Retailer 5£1,635 GBP

13 data points across 7 retailers

2 retailers

B+
Cheapest Retailer
-
£797 GBP
Most Expensive
Rare Carat
29313-1128-14
£1,131 GBP
$1,523 USD
View
1 more retailer has this diamond
Prices start from £797 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.

B+
1.55ct Radiant
£797 GBP