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Round|Lab Grown|UNKNOWN

0.43ct E I1 Round Lab Grown Diamond

VG • E/I1 • UNKNOWN 3515881588

Certificate UNKNOWN 3515881588

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 27, 2026
Save £147 GBP (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £318 GBP at Loose Grown Diamond · As of October 28, 2026
View at Loose Grown Diamond

About this 0.43ct lab-grown round diamond

This 0.43ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by UNKNOWN 3515881588. Listed at 2 retailers as of October 27, 2026, with prices from £171 to £318, a £147 spread on the same certified stone. Loose Grown Diamond lists it at £318. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.43
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 3515881588
Dimensions4.78 × 4.76 × 2.96 mm
L/W Ratio1.00
Top View
4.78 mm4.76 mm0.43 ctE / I1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 3515881588
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 62.1%

Caratlytics Score

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

Last verified: Oct 27
Current: £318 GBP|Low: £118 GBP|High: £412 GBP|Avg: £271 GBP|-2.1%
Loose Grown Diamond
Retailer 2
September 30, 2026
Retailer 2£171 GBP
Loose Grown Diamond£318 GBP

9 data points across 2 retailers

2 retailers£171 GBP to £318 GBP

B+
Cheapest Retailer
-
£171 GBP
$228 USD
Most Expensive
C
Loose Grown Diamond
3515881588 · Oct 28
£318 GBP
$424 USD
View
1 more retailer has this diamond
Prices start from £171 GBPSave up to £147 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
£171 GBP