Radiant|Lab Grown|IGI

0.34ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG442068399

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG442068399

Diamond specifications and retailer prices

From £121 GBP
$162 USD
As of October 30, 2026
Save £360 GBP (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £699 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.34ct lab-grown radiant diamond

This 0.34ct lab-grown radiant sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442068399 or 442068399. Listed at 11 retailers as of October 30, 2026, with a 298% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442068399
Dimensions4.55 × 3.58 × 2.40 mm
L/W Ratio1.27
Culet sizePointed
Cert comments
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Top View
4.55 mm3.58 mm0.34 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442068399
Side View
Table 64.5%Crown 40.4°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £699 GBP|Low: £116 GBP|High: £707 GBP|Avg: £279 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5£121 GBP
Retailer 9£140 GBP
Retailer 6£149 GBP
Retailer 10£149 GBP
Retailer 3£157 GBP
Retailer 2£264 GBP
Retailer 8£270 GBP
Retailer 4£309 GBP
Retailer 7£481 GBP
MOH London£699 GBP

45 data points across 10 retailers

11 retailers£121 GBP to £481 GBP

A
Cheapest Retailer
-
£121 GBP
$162 USD
A
Retailer 2
-
£140 GBP
$187 USD
View
B+
Retailer 3
-
£149 GBP
$200 USD
View
Retailer 4
-
£149 GBP
$200 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£157 GBP
$210 USD
View
B
Retailer 6
-
£264 GBP
View
B
Retailer 7
-
£270 GBP
$362 USD
View
B
Retailer 8
-
£309 GBP
€394 EUR
View
B
Retailer 9
-
£329 GBP
View
B
Retailer 10
-
£481 GBP
$644 USD
View
Most Expensive
MOH London
LG442068399 · Nov 1
£699 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £121 GBPSave up to £360 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 Radiant
£121 GBP