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Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG605312054

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

Certificate IGI LG605312054

Diamond specifications and retailer prices

From £194 GBP
As of November 4, 2026
Save £1,470 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,664 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG605312054 or 605312054. Listed at 17 retailers as of November 4, 2026, with prices from £194 to £1,664, a £1,470 spread on the same certified stone. Do Amore Diamonds lists it at £1,664. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605312054
Dimensions8.28 × 5.79 × 3.94 mm
L/W Ratio1.43
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
8.28 mm5.79 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605312054
Side View
Table 64.0%Crown 44°Girdle: MediumPavilion 35°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,664 GBP|Low: £194 GBP|High: £1,664 GBP|Avg: £633 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3£194 GBP
Retailer 5£311 GBP
Retailer 13£363 GBP
Retailer 4£403 GBP
Retailer 7£409 GBP
Retailer 2£448 GBP
Retailer 6£554 GBP
Retailer 11£690 GBP
Retailer 10£693 GBP
Retailer 9£758 GBP
Retailer 12£874 GBP
Retailer 8£955 GBP
Do Amore Diamonds£1,664 GBP

42 data points across 13 retailers

17 retailers£194 GBP to £1,664 GBP

A
Cheapest Retailer
-
£194 GBP
Final sale: no returns
Retailer 2
-
£215 GBP
View
Price last confirmed 34 days ago
A
Retailer 3
-
£311 GBP
View
A
Retailer 4
-
£363 GBP
View
A
Retailer 5
-
£403 GBP
View
A
Retailer 6
-
£409 GBP
View
A
Retailer 7
-
£448 GBP
View
B+
Retailer 8
-
£554 GBP
View
B+
Retailer 9
-
£597 GBP
View
Retailer 10
-
£690 GBP
View
Price last confirmed 28 days ago
B+
Retailer 11
-
£693 GBP
View
Retailer 12
-
£758 GBP
View
Price last confirmed 9 days ago
Retailer 13
-
£762 GBP
View
Price last confirmed 37 days ago
B
Retailer 14
-
£874 GBP
View
B
Retailer 15
-
£888 GBP
View
Retailer 16
-
£955 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-053889A96 · Nov 4
£1,664 GBP
$2,240 USD
View
16 more retailers have this diamond
Prices start from £194 GBPSave up to £1,470 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
£194 GBP