CaratHunter
Plans
Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG526278766

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

Certificate IGI LG526278766

Diamond specifications and retailer prices

From £221 GBP
As of November 4, 2026
Save £1,183 GBP (84%) vs most expensive(unlock to see where)
20 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 LG526278766 or 526278766. Listed at 20 retailers as of November 4, 2026, with prices from £221 to £1,404, a £1,183 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 angle47.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526278766
Dimensions7.85 × 5.57 × 3.90 mm
L/W Ratio1.41
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
7.85 mm5.57 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526278766
Side View
Table 66.0%Crown 47.2°Girdle: MED-STKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,404 GBP|Low: £212 GBP|High: £1,479 GBP|Avg: £622 GBP|-5.0%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 17£221 GBP
Retailer 9£247 GBP
Retailer 5£256 GBP
Retailer 6£274 GBP
Retailer 18£274 GBP
Retailer 15£390 GBP
Retailer 7£418 GBP
Retailer 4£449 GBP
Retailer 8£468 GBP
Retailer 13£473 GBP
Retailer 2£481 GBP
Retailer 12£643 GBP
Retailer 16£843 GBP
Retailer 3£882 GBP
Retailer 11£917 GBP
Retailer 19£1,055 GBP
Retailer 14£1,099 GBP
Retailer 10£1,118 GBP
Brilliant Earth£1,404 GBP

45 data points across 19 retailers

20 retailers£221 GBP to £1,404 GBP

A
Cheapest Retailer
-
£221 GBP
A
Retailer 2
-
£247 GBP
View
Final sale: no returns
A
Retailer 3
-
£256 GBP
View
Retailer 4
-
£274 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£274 GBP
View
A
Retailer 6
-
£390 GBP
View
A
Retailer 7
-
£418 GBP
View
B+
Retailer 8
-
£449 GBP
View
B+
Retailer 9
-
£468 GBP
View
A
Retailer 10
-
£473 GBP
View
A
Retailer 11
-
£481 GBP
View
B+
Retailer 12
-
£643 GBP
View
B
Retailer 13
-
£789 GBP
View
B
Retailer 14
-
£843 GBP
View
B
Retailer 15
-
£882 GBP
View
B
Retailer 16
-
£917 GBP
View
B
Retailer 17
-
£1,055 GBP
View
B
Retailer 18
-
£1,099 GBP
View
B
Retailer 19
-
£1,118 GBP
View
Most Expensive
B
Brilliant Earth
17972649A · Nov 4
£1,404 GBP
$1,890 USD
View
19 more retailers have this diamond
Prices start from £221 GBPSave up to £1,183 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
£221 GBP