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Round|Lab Grown|IGI

0.30ct M VS1 Round Lab Grown Diamond

ID • M/VS1 • IGI LG821623471

Shape and cutting style on the report: Old european cut

Certificate IGI LG821623471

Diamond specifications and retailer prices

From £71 GBP
As of November 6, 2026
Save £81 GBP (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £151 GBP at Yorxs · As of November 4, 2026
View at Yorxs

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821623471 or 821623471. Listed at 5 retailers as of November 4, 2026, with prices from £71 to £151, a £81 spread on the same certified stone. Yorxs lists it at £151. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
M
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle27.4°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821623471
Dimensions4.14 × 4.11 × 2.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
4.14 mm4.11 mm0.30 ctM / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG821623471
Side View
Table 45.0%Crown 27.4°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 64.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £108 GBP|Low: £71 GBP|High: £157 GBP|Avg: £105 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
October 31, 2026
Retailer 3£71 GBP
Retailer 2£83 GBP
Retailer 1£108 GBP
Retailer 4£123 GBP
Yorxs£151 GBP

13 data points across 5 retailers

5 retailers£71 GBP to £151 GBP

B+
Cheapest Retailer
-
£71 GBP
Final sale: no returns
Retailer 2
-
£83 GBP
View
Price last confirmed 12 days ago
B
Retailer 3
-
£108 GBP
View
B
Retailer 4
-
£123 GBP
View
Most Expensive
B
Yorxs
616961464 · Nov 4
£151 GBP
€194 EUR
View
4 more retailers have this diamond
Prices start from £71 GBPSave up to £81 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.

B+
0.30ct Round
£71 GBP