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Round|Lab Grown|IGI

1.35ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG483196994

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483196994

Diamond specifications and retailer prices

From £505 GBP
As of November 5, 2026
Save £1,958 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,463 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483196994 or 483196994. Listed at 10 retailers as of November 5, 2026, with prices from £505 to £2,463, a £1,958 spread on the same certified stone. MOH London lists it at £2,463. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.35
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483196994
Dimensions7.03 × 7.02 × 4.43 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
7.03 mm7.02 mm1.35 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483196994
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 63.0%

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: £2,463 GBP|Low: £485 GBP|High: £2,500 GBP|Avg: £1,015 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£505 GBP
Retailer 2£565 GBP
Retailer 7£566 GBP
Retailer 5£586 GBP
Retailer 8£586 GBP
Retailer 9£942 GBP
Retailer 6£954 GBP
Retailer 10£1,311 GBP
Retailer 3£1,497 GBP
MOH London£2,463 GBP

14 data points across 10 retailers

10 retailers£505 GBP to £2,463 GBP

A
Cheapest Retailer
-
£505 GBP
A
Retailer 2
-
£550 GBP
View
A
Retailer 3
-
£565 GBP
View
A
Retailer 4
-
£566 GBP
View
Final sale: no returns
A
Retailer 5
-
£586 GBP
View
Retailer 6
-
£586 GBP
View
Price last confirmed 21 days ago
B
Retailer 7
-
£954 GBP
View
B
Retailer 8
-
£1,497 GBP
View
B
Retailer 9
-
£1,648 GBP
View
Most Expensive
B
MOH London
LG483196994 · Nov 5
£2,463 GBP
View
9 more retailers have this diamond
Prices start from £505 GBPSave up to £1,958 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
1.35ct Round
£505 GBP