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Round|Lab Grown|IGI

1.33ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG480171471

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171471

Diamond specifications and retailer prices

From £528 GBP
As of November 5, 2026
Save £1,877 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,405 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480171471 or 480171471. Listed at 12 retailers as of November 1, 2026, with prices from £528 to £2,405, a £1,877 spread on the same certified stone. MOH London lists it at £2,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171471
Dimensions7.18 × 7.16 × 4.20 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
7.18 mm7.16 mm1.33 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171471
Side View
Table 62.5%Crown 34°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
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 5
Current: £2,405 GBP|Low: £423 GBP|High: £2,434 GBP|Avg: £1,048 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 2, 2026
Retailer 9£528 GBP
Retailer 14£574 GBP
Retailer 13£591 GBP
Retailer 11£612 GBP
Retailer 10£713 GBP
Retailer 7£743 GBP
Retailer 5£813 GBP
Retailer 4£975 GBP
Retailer 12£995 GBP
Retailer 2£1,125 GBP
Retailer 6£1,370 GBP
Retailer 8£1,508 GBP
Retailer 3£1,722 GBP
MOH London£2,405 GBP

23 data points across 14 retailers

12 retailers£528 GBP to £2,405 GBP

A
Cheapest Retailer
-
£528 GBP
A
Retailer 2
-
£574 GBP
View
A
Retailer 3
-
£591 GBP
View
Final sale: no returns
Retailer 4
-
£612 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£612 GBP
View
B+
Retailer 6
-
£713 GBP
View
A
Retailer 7
-
£743 GBP
View
B+
Retailer 8
-
£995 GBP
View
B+
Retailer 9
-
£1,125 GBP
View
B
Retailer 10
-
£1,508 GBP
View
B
Retailer 11
-
£1,722 GBP
View
Most Expensive
B
MOH London
LG480171471 · Nov 1
£2,405 GBP
View
11 more retailers have this diamond
Prices start from £528 GBPSave up to £1,877 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
1.33ct Round
£528 GBP