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Round|Lab Grown

0.30ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • LA12A-361-361

Diamond specifications and retailer prices

From £128 GBP
$170 USD
As of October 30, 2026
Save £9 GBP (7%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £137 GBP at Aurelinne · As of October 27, 2026
View at Aurelinne

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade. Listed at 2 retailers as of October 27, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateLA12A-361-361
Dimensions4.31 × 4.27 × 2.66 mm
L/W Ratio1.01
Top View
4.31 mm4.27 mm0.30 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateLA12A-361-361
Side View
Table 52.8%CrownGirdlePavilionCuletDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £137 GBP|Low: £128 GBP|High: £137 GBP|Avg: £132 GBP|+1.7%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2£128 GBP
Aurelinne£137 GBP

3 data points across 2 retailers

2 retailers£128 GBP to £137 GBP

B+
Cheapest Retailer
-
£128 GBP
$170 USD
Most Expensive
B+
Aurelinne
46dafb68-8d0d-42b5-814c-6d9722fa985d · Oct 27
£137 GBP
$182 USD
View
1 more retailer has this diamond
Prices start from £128 GBPSave up to £9 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
£128 GBP