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Radiant|Lab Grown|IGI

1.55ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG797673018

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

Certificate IGI LG797673018

Diamond specifications and retailer prices

From £224 GBP
As of November 4, 2026
Save £1,716 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,939 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 LG797673018 or 797673018. Listed at 21 retailers as of November 4, 2026, with prices from £224 to £1,939, a £1,716 spread on the same certified stone. Do Amore Diamonds lists it at £1,939. 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 angle42°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797673018
Dimensions8.50 × 5.58 × 3.73 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.50 mm5.58 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797673018
Side View
Table 60.0%Crown 42°Girdle: MediumPavilion 33.3°Culet: NoneDepth 66.8%

Caratlytics Score

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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: £480 GBP|Low: £224 GBP|High: £1,109 GBP|Avg: £606 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£224 GBP
Retailer 2£248 GBP
Retailer 7£364 GBP
Retailer 9£471 GBP
Retailer 1£480 GBP
Retailer 3£499 GBP
Retailer 8£641 GBP
Retailer 6£646 GBP
Retailer 10£706 GBP
Retailer 11£762 GBP
Retailer 12£953 GBP
Retailer 5£1,093 GBP

44 data points across 12 retailers

21 retailers£224 GBP to £1,939 GBP

Retailer 1
-
£192 GBP
Price last confirmed 35 days ago
A
Retailer 2
-
£224 GBP
View
Final sale: no returns
Retailer 3
-
£232 GBP
View
Price last confirmed 40 days ago
Retailer 4
-
£248 GBP
View
Price last confirmed 34 days ago
A
Retailer 5
-
£317 GBP
View
B+
Retailer 6
-
£331 GBP
View
A
Retailer 7
-
£364 GBP
View
A
Retailer 8
-
£471 GBP
View
A
Retailer 9
-
£480 GBP
View
B+
Retailer 10
-
£499 GBP
View
B+
Retailer 11
-
£641 GBP
View
B+
Retailer 12
-
£646 GBP
View
Retailer 13
-
£706 GBP
View
Price last confirmed 12 days ago
B
Retailer 14
-
£762 GBP
View
Retailer 15
-
£880 GBP
View
Price last confirmed 37 days ago
B
Retailer 16
-
£953 GBP
View
B
Retailer 17
-
£1,002 GBP
View
B
Retailer 18
-
£1,048 GBP
View
B
Retailer 19
-
£1,093 GBP
View
B
Retailer 20
-
£1,776 GBP
View
Most Expensive
B
Do Amore Diamonds
23-797673018 · Nov 4
£1,939 GBP
$2,610 USD
View
20 more retailers have this diamond
Prices start from £224 GBPSave up to £1,716 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
£224 GBP