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Round|Lab Grown|IGI

1.55ct J VS2 Round Lab Grown Diamond

EX • J/VS2 • IGI LG451055648

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055648

Diamond specifications and retailer prices

From £639 GBP
As of November 5, 2026
Save £2,872 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,511 GBP at MOH London · As of November 1, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451055648 or 451055648. Listed at 11 retailers as of November 1, 2026, with prices from £639 to £3,511, a £2,872 spread on the same certified stone. MOH London lists it at £3,511. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055648
Dimensions7.36 × 7.33 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.36 mm7.33 mm1.55 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055648
Side View
Table 55.5%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 5
Current: £3,511 GBP|Low: £639 GBP|High: £3,558 GBP|Avg: £1,711 GBP
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
Retailer 14
November 1, 2026
Retailer 2£639 GBP
Retailer 7£942 GBP
Retailer 10£1,025 GBP
Retailer 12£1,055 GBP
Retailer 8£1,093 GBP
Retailer 13£1,222 GBP
Retailer 5£1,344 GBP
Retailer 3£1,513 GBP
Retailer 9£1,730 GBP
Retailer 14£2,037 GBP
Retailer 11£2,048 GBP
Retailer 6£2,445 GBP
Retailer 4£3,129 GBP
MOH London£3,511 GBP

15 data points across 14 retailers

11 retailers£639 GBP to £3,511 GBP

A
Cheapest Retailer
-
£639 GBP
A
Retailer 2
-
£942 GBP
View
A
Retailer 3
-
£1,025 GBP
View
A
Retailer 4
-
£1,055 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,093 GBP
View
Retailer 6
-
£1,093 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£1,222 GBP
View
B
Retailer 8
-
£1,730 GBP
View
B
Retailer 9
-
£2,037 GBP
View
B
Retailer 10
-
£2,048 GBP
View
Most Expensive
B
MOH London
LG451055648 · Nov 1
£3,511 GBP
View
10 more retailers have this diamond
Prices start from £639 GBPSave up to £2,872 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
£639 GBP