Round|Lab Grown|IGI

1.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG555273822

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273822

Diamond specifications and retailer prices

From £273 GBP
As of November 5, 2026
Save £1,046 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,318 GBP at MOH London · As of November 5, 2026
View at MOH London

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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273822 or 555273822. Listed at 16 retailers as of November 5, 2026, with prices from £273 to £1,318, a £1,046 spread on the same certified stone. MOH London lists it at £1,318. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273822
Dimensions7.37 × 7.34 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.37 mm7.34 mm1.55 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273822
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,318 GBP|Low: £273 GBP|High: £1,338 GBP|Avg: £650 GBP|-0.3%
MOH London
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 10£273 GBP
Retailer 13£305 GBP
Retailer 11£338 GBP
Retailer 4£371 GBP
Retailer 7£450 GBP
Retailer 3£516 GBP
Retailer 12£528 GBP
Retailer 9£541 GBP
Retailer 2£583 GBP
Retailer 6£594 GBP
Retailer 8£993 GBP
Retailer 5£1,117 GBP
MOH London£1,318 GBP

28 data points across 13 retailers

16 retailers£273 GBP to £1,318 GBP

A
Cheapest Retailer
-
£273 GBP
A
Retailer 2
-
£305 GBP
View
Final sale: no returns
A
Retailer 3
-
£317 GBP
View
Retailer 4
-
£338 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£338 GBP
View
A
Retailer 6
-
£371 GBP
View
A
Retailer 7
-
£450 GBP
View
A
Retailer 8
-
£516 GBP
View
A
Retailer 9
-
£528 GBP
View
A
Retailer 10
-
£541 GBP
View
A
Retailer 11
-
£583 GBP
View
A
Retailer 12
-
£594 GBP
View
A
Retailer 13
-
£993 GBP
View
B+
Retailer 14
-
£1,088 GBP
View
B+
Retailer 15
-
£1,117 GBP
View
Most Expensive
B+
MOH London
LG555273822 · Nov 5
£1,318 GBP
View
15 more retailers have this diamond
Prices start from £273 GBPSave up to £1,046 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
£273 GBP