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Round|Lab Grown|IGI

0.40ct L VS1 Round Lab Grown Diamond

VG • L/VS1 • IGI LG835609254

Shape and cutting style on the report: Old european cut

Certificate IGI LG835609254

Diamond specifications and retailer prices

From £84 GBP
As of November 6, 2026
Save £90 GBP (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £174 GBP at Yorxs · As of November 4, 2026
View at Yorxs

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded L colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG835609254 or 835609254. Listed at 5 retailers as of November 4, 2026, with prices from £84 to £174, a £90 spread on the same certified stone. Yorxs lists it at £174. 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

0.40
Carat
L
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle26°
Pavilion angle44.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609254
Dimensions4.54 × 4.51 × 2.94 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
4.54 mm4.51 mm0.40 ctL / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835609254
Side View
Table 49.0%Crown 26°Girdle: MED-STKPavilion 44.5°Culet: LargeDepth 64.8%

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: Nov 6
Current: £84 GBP|Low: £84 GBP|High: £181 GBP|Avg: £130 GBP|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 4, 2026
Retailer 1£84 GBP
Retailer 2£99 GBP
Retailer 3£126 GBP
Retailer 4£157 GBP
Yorxs£174 GBP

19 data points across 5 retailers

5 retailers£84 GBP to £174 GBP

B+
Cheapest Retailer
-
£84 GBP
Final sale: no returns
Retailer 2
-
£99 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£126 GBP
View
B
Retailer 4
-
£157 GBP
View
Most Expensive
B
Yorxs
616960651 · Nov 4
£174 GBP
€223 EUR
View
4 more retailers have this diamond
Prices start from £84 GBPSave up to £90 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+
0.40ct Round
£84 GBP