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0.34ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG492136019

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136019

Diamond specifications and retailer prices

From £121 GBP
$162 USD
As of October 29, 2026
Save £579 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £700 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.34ct lab-grown round diamond

This 0.34ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136019 or 492136019. Listed at 9 retailers as of October 26, 2026, with prices from £121 to £700, a £579 spread on the same certified stone. MOH London lists it at £700. 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

0.34
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136019
Dimensions4.53 × 4.51 × 2.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.53 mm4.51 mm0.34 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136019
Side View
Table 57.5%Crown 35°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £700 GBP|Low: £116 GBP|High: £707 GBP|Avg: £279 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5£121 GBP
Retailer 8£140 GBP
Retailer 6£149 GBP
Retailer 11£156 GBP
Retailer 2£157 GBP
Retailer 7£270 GBP
Retailer 4£310 GBP
Retailer 3£313 GBP
Retailer 9£331 GBP
Retailer 10£354 GBP
MOH London£700 GBP

15 data points across 11 retailers

9 retailers£121 GBP to £700 GBP

A
Cheapest Retailer
-
£121 GBP
$162 USD
A
Retailer 2
-
£140 GBP
$187 USD
View
A
Retailer 3
-
£149 GBP
$200 USD
View
A
Retailer 4
-
£149 GBP
$200 USD
View
A
Retailer 5
-
£157 GBP
$210 USD
View
B+
Retailer 6
-
£270 GBP
$362 USD
View
B+
Retailer 7
-
£310 GBP
€396 EUR
View
B
Retailer 8
-
£481 GBP
$644 USD
View
Most Expensive
B
MOH London
LG492136019 · Oct 26
£700 GBP
View
8 more retailers have this diamond
Prices start from £121 GBPSave up to £579 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
0.34ct Round
£121 GBP