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Round|Lab Grown|GIA

0.40ct G VS1 Round Lab Grown Diamond

VG • G/VS1 • GIA 7291113425

Certificate GIA 7291113425

Diamond specifications and retailer prices

From £490 GBP
As of October 31, 2026
Save £419 GBP (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £909 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 7291113425. Listed at 3 retailers as of October 26, 2026, with prices from £490 to £909, a £419 spread on the same certified stone. MOH London lists it at £909. 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
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7291113425
Dimensions4.81 × 4.83 × 2.84 mm
L/W Ratio1.00
Top View
4.81 mm4.83 mm0.40 ctG / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7291113425
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 58.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £909 GBP|Low: £470 GBP|High: £967 GBP|Avg: £658 GBP|-6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2£490 GBP
Retailer 3£509 GBP
Retailer 4£675 GBP
MOH London£909 GBP

18 data points across 4 retailers

3 retailers£490 GBP to £909 GBP

B
Cheapest Retailer
-
£490 GBP
B
Retailer 2
-
£509 GBP
€650 EUR
View
Most Expensive
B
MOH London
2254FCE6B · Oct 26
£909 GBP
View
2 more retailers have this diamond
Prices start from £490 GBPSave up to £419 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
£490 GBP