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Round|Lab Grown|IGI

1.34ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG632444842

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632444842

Diamond specifications and retailer prices

From £192 GBP
As of November 5, 2026
Save £763 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £955 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.34ct lab-grown round diamond

This 1.34ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632444842 or 632444842. Listed at 15 retailers as of November 2, 2026, with prices from £192 to £955, a £763 spread on the same certified stone. MOH London lists it at £955. 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

1.34
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632444842
Dimensions7.14 × 7.08 × 4.31 mm
L/W Ratio1.01
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
7.14 mm7.08 mm1.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632444842
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 41.1°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 5
Current: £955 GBP|Low: £192 GBP|High: £1,048 GBP|Avg: £452 GBP|-8.7%
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
Retailer 15
November 6, 2026
Retailer 3£192 GBP
Retailer 4£214 GBP
Retailer 12£223 GBP
Retailer 8£238 GBP
Retailer 5£241 GBP
Retailer 13£247 GBP
Retailer 14£352 GBP
Retailer 7£359 GBP
Retailer 6£407 GBP
Retailer 11£430 GBP
Retailer 2£447 GBP
Retailer 10£732 GBP
Retailer 9£767 GBP
Retailer 15£805 GBP
MOH London£955 GBP

45 data points across 15 retailers

15 retailers£192 GBP to £955 GBP

A
Cheapest Retailer
-
£192 GBP
A
Retailer 2
-
£214 GBP
View
Final sale: no returns
A
Retailer 3
-
£223 GBP
View
A
Retailer 4
-
£238 GBP
View
Retailer 5
-
£241 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£247 GBP
View
A
Retailer 7
-
£352 GBP
View
A
Retailer 8
-
£359 GBP
View
A
Retailer 9
-
£407 GBP
View
B+
Retailer 10
-
£430 GBP
View
B+
Retailer 11
-
£447 GBP
View
B
Retailer 12
-
£732 GBP
View
B
Retailer 13
-
£767 GBP
View
B
Retailer 14
-
£805 GBP
View
Most Expensive
B
MOH London
LG632444842 · Nov 2
£955 GBP
View
14 more retailers have this diamond
Prices start from £192 GBPSave up to £763 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
1.34ct Round
£192 GBP