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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG794610238

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794610238

Diamond specifications and retailer prices

From £158 GBP
As of November 3, 2026
Save £639 GBP (80%) vs most expensive(unlock to see where)
19 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 LG794610238 or 794610238. Listed at 19 retailers as of November 3, 2026, with a 405% 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 angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610238
Dimensions7.50 × 7.47 × 4.53 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm7.47 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610238
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.5%

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: £158 GBP|High: £1,015 GBP|Avg: £473 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
Retailer 19
November 5, 2026
Retailer 8£158 GBP
Retailer 4£176 GBP
Retailer 3£183 GBP
Retailer 17£196 GBP
Retailer 10£196 GBP
Retailer 13£304 GBP
Retailer 5£336 GBP
Retailer 11£349 GBP
Retailer 2£357 GBP
Retailer 15£403 GBP
Retailer 19£441 GBP
Retailer 14£520 GBP
Retailer 18£629 GBP
Retailer 6£633 GBP
Retailer 7£667 GBP
Retailer 9£678 GBP
Retailer 12£781 GBP
Retailer 16£796 GBP
Brilliant Earth£1,015 GBP

25 data points across 19 retailers

19 retailers£158 GBP to £796 GBP

A
Cheapest Retailer
-
£158 GBP
A
Retailer 2
-
£176 GBP
View
Final sale: no returns
A
Retailer 3
-
£183 GBP
View
A
Retailer 4
-
£196 GBP
View
Retailer 5
-
£196 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£304 GBP
View
B+
Retailer 7
-
£336 GBP
View
A
Retailer 8
-
£349 GBP
View
A
Retailer 9
-
£357 GBP
View
A
Retailer 10
-
£403 GBP
View
B+
Retailer 11
-
£441 GBP
View
B+
Retailer 12
-
£520 GBP
View
B+
Retailer 13
-
£629 GBP
View
B+
Retailer 14
-
£633 GBP
View
B+
Retailer 15
-
£667 GBP
View
Retailer 16
-
£678 GBP
View
Price last confirmed 7 days ago
B
Retailer 17
-
£781 GBP
View
B
Retailer 18
-
£796 GBP
View
Most Expensive
Brilliant Earth
21503645A · Oct 16
£1,015 GBP
$1,370 USD
View
Price last confirmed 19 days ago
18 more retailers have this diamond
Prices start from £158 GBPSave up to £639 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