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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG794610826

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794610826

Diamond specifications and retailer prices

From £158 GBP
As of November 3, 2026
Save £643 GBP (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,015 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794610826 or 794610826. Listed at 22 retailers as of November 3, 2026, with a 408% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610826
Dimensions7.47 × 7.51 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.47 mm7.51 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610826
Side View
Table 60.0%Crown 33.1°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.8%

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 3
Current: £1,015 GBP|Low: £154 GBP|High: £1,015 GBP|Avg: £445 GBP
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 7£158 GBP
Retailer 3£176 GBP
Retailer 19£183 GBP
Retailer 16£196 GBP
Retailer 8£196 GBP
Retailer 4£336 GBP
Retailer 9£349 GBP
Retailer 2£357 GBP
Retailer 15£403 GBP
Retailer 18£441 GBP
Retailer 14£520 GBP
Retailer 12£544 GBP
Retailer 17£629 GBP
Retailer 5£633 GBP
Retailer 6£667 GBP
Retailer 11£683 GBP
Retailer 13£783 GBP
Retailer 10£801 GBP
Brilliant Earth£1,015 GBP

33 data points across 19 retailers

22 retailers£158 GBP to £801 GBP

A
Cheapest Retailer
-
£158 GBP
Retailer 2
-
£158 GBP
View
Price last confirmed 48 days ago
A
Retailer 3
-
£176 GBP
View
Final sale: no returns
A
Retailer 4
-
£183 GBP
View
Retailer 5
-
£193 GBP
View
Price last confirmed 47 days ago
A
Retailer 6
-
£196 GBP
View
Retailer 7
-
£196 GBP
View
Price last confirmed 11 days ago
B+
Retailer 8
-
£336 GBP
View
A
Retailer 9
-
£349 GBP
View
A
Retailer 10
-
£357 GBP
View
A
Retailer 11
-
£403 GBP
View
A
Retailer 12
-
£441 GBP
View
B+
Retailer 13
-
£520 GBP
View
B+
Retailer 14
-
£544 GBP
View
B+
Retailer 15
-
£629 GBP
View
Retailer 16
-
£629 GBP
View
Price last confirmed 45 days ago
B+
Retailer 17
-
£633 GBP
View
B+
Retailer 18
-
£667 GBP
View
Retailer 19
-
£683 GBP
View
Price last confirmed 11 days ago
B
Retailer 20
-
£783 GBP
View
B
Retailer 21
-
£801 GBP
View
Most Expensive
Brilliant Earth
21503294A · Oct 16
£1,015 GBP
$1,370 USD
View
Price last confirmed 19 days ago
21 more retailers have this diamond
Prices start from £158 GBPSave up to £643 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 Round
£158 GBP