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0.40ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • GIA 6305483281

Certificate GIA 6305483281

Diamond specifications and retailer prices

From $655 USD
£516 GBP
As of October 29, 2026
Save $557 USD (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,212 USD at MOH London · As of October 29, 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 top-tier cut grade and certified by GIA 6305483281. Listed at 3 retailers as of October 29, 2026, with prices from $655 to $1,212, a $557 spread on the same certified stone. MOH London lists it at $1,212. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6305483281
Dimensions4.65 × 4.71 × 2.95 mm
L/W Ratio1.01
Top View
4.65 mm4.71 mm0.40 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6305483281
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,212 USD|Low: $630 USD|High: $1,295 USD|Avg: $883 USD|-6.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2$655 USD
Retailer 3$678 USD
Retailer 4$904 USD
MOH London$1,212 USD

16 data points across 4 retailers

3 retailers$655 USD to $1,212 USD

B
Cheapest Retailer
-
$655 USD
£516 GBP
B
Retailer 2
-
$678 USD
€646 EUR
View
Most Expensive
B
MOH London
775C7CF09 · Oct 29
$1,212 USD
£954 GBP
View
2 more retailers have this diamond
Prices start from $655 USDSave up to $557 USD

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
$655 USD