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Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG530293147

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

Certificate IGI LG530293147

Diamond specifications and retailer prices

From £239 GBP
As of November 4, 2026
Save £1,165 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,404 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG530293147 or 530293147. Listed at 21 retailers as of November 4, 2026, with prices from £239 to £1,404, a £1,165 spread on the same certified stone. Brilliant Earth lists it at £1,404. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530293147
Dimensions8.01 × 5.94 × 3.86 mm
L/W Ratio1.35
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
8.01 mm5.94 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530293147
Side View
Table 64.0%Crown 43.8°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
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: Nov 4
Current: £1,404 GBP|Low: £230 GBP|High: £1,479 GBP|Avg: £664 GBP|-5.0%
Brilliant Earth
Retailer 2
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Retailer 20
November 5, 2026
Retailer 19£239 GBP
Retailer 11£267 GBP
Retailer 6£277 GBP
Retailer 7£296 GBP
Retailer 20£296 GBP
Retailer 16£412 GBP
Retailer 8£424 GBP
Retailer 5£480 GBP
Retailer 9£489 GBP
Retailer 14£510 GBP
Retailer 2£524 GBP
Retailer 13£695 GBP
Retailer 18£869 GBP
Retailer 4£953 GBP
Retailer 10£985 GBP
Retailer 3£1,139 GBP
Retailer 17£1,155 GBP
Retailer 12£1,175 GBP
Retailer 15£1,193 GBP
Brilliant Earth£1,404 GBP

45 data points across 20 retailers

21 retailers£239 GBP to £1,404 GBP

A
Cheapest Retailer
-
£239 GBP
A
Retailer 2
-
£267 GBP
View
Final sale: no returns
A
Retailer 3
-
£277 GBP
View
Retailer 4
-
£296 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£296 GBP
View
A
Retailer 6
-
£412 GBP
View
A
Retailer 7
-
£424 GBP
View
A
Retailer 8
-
£480 GBP
View
B+
Retailer 9
-
£489 GBP
View
A
Retailer 10
-
£510 GBP
View
B+
Retailer 11
-
£524 GBP
View
B+
Retailer 12
-
£666 GBP
View
B+
Retailer 13
-
£695 GBP
View
B
Retailer 14
-
£869 GBP
View
B
Retailer 15
-
£953 GBP
View
B
Retailer 16
-
£985 GBP
View
B
Retailer 17
-
£1,139 GBP
View
B
Retailer 18
-
£1,155 GBP
View
B
Retailer 19
-
£1,175 GBP
View
Retailer 20
-
£1,193 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
17971684A · Nov 4
£1,404 GBP
$1,890 USD
View
20 more retailers have this diamond
Prices start from £239 GBPSave up to £1,165 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
£239 GBP