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Round|Lab Grown|IGI

0.33ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG462171297

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462171297

Diamond specifications and retailer prices

From £118 GBP
$158 USD
As of October 29, 2026
Save £567 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £685 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.33ct lab-grown round diamond

This 0.33ct 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 LG462171297 or 462171297. Listed at 10 retailers as of October 29, 2026, with prices from £118 to £685, a £567 spread on the same certified stone. MOH London lists it at £685. 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

0.33
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462171297
Dimensions4.34 × 4.37 × 2.75 mm
L/W Ratio1.01
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
4.34 mm4.37 mm0.33 ctF / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG462171297
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.2%

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: Oct 29
Current: £685 GBP|Low: £113 GBP|High: £1,033 GBP|Avg: £357 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4£118 GBP
Retailer 7£137 GBP
Retailer 5£146 GBP
Retailer 8£172 GBP
Retailer 6£265 GBP
Retailer 2£305 GBP
Retailer 3£305 GBP
Retailer 11£342 GBP
Retailer 9£349 GBP
MOH London£685 GBP
Retailer 10£1,033 GBP

17 data points across 11 retailers

10 retailers£118 GBP to £685 GBP

A
Cheapest Retailer
-
£118 GBP
$158 USD
A
Retailer 2
-
£137 GBP
$183 USD
View
A
Retailer 3
-
£146 GBP
$195 USD
View
A
Retailer 4
-
£146 GBP
$195 USD
View
B+
Retailer 5
-
£172 GBP
$230 USD
View
B+
Retailer 6
-
£265 GBP
$355 USD
View
B
Retailer 7
-
£305 GBP
€389 EUR
View
B
Retailer 8
-
£342 GBP
View
B
Retailer 9
-
£469 GBP
$628 USD
View
Most Expensive
B
MOH London
LG462171297 · Oct 29
£685 GBP
View
9 more retailers have this diamond
Prices start from £118 GBPSave up to £567 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
0.33ct Round
£118 GBP