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Round|Lab Grown

0.43ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • TA35C-256-256

Diamond specifications and retailer prices

From £181 GBP
As of November 5, 2026
Save £13 GBP (7%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £193 GBP at Aurelinne · As of November 6, 2026
View at Aurelinne

About this 0.43ct lab-grown round diamond

This 0.43ct 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. Listed at 2 retailers as of November 5, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.43
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA35C-256-256
Dimensions4.82 × 4.80 × 3.04 mm
L/W Ratio1.00
Top View
4.82 mm4.80 mm0.43 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateTA35C-256-256
Side View
Table 58.2%CrownGirdlePavilionCuletDepth 63.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £193 GBP|Low: £181 GBP|High: £193 GBP|Avg: £187 GBP|+1.2%
Aurelinne
Retailer 2
October 2, 2026
Retailer 2£181 GBP
Aurelinne£193 GBP

3 data points across 2 retailers

2 retailers£181 GBP to £193 GBP

B+
Cheapest Retailer
-
£181 GBP
Most Expensive
B+
Aurelinne
3628bcc3-13b6-4588-9336-e2e4d5cce1bd · Nov 6
£193 GBP
$260 USD
View
1 more retailer has this diamond
Prices start from £181 GBPSave up to £13 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+
0.43ct Round
£181 GBP