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Round|Lab Grown

0.42ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • C731A53873

Diamond specifications and retailer prices

From £81 GBP
$109 USD
As of October 29, 2026
Save £275 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £357 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.42ct lab-grown round diamond

This 0.42ct 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. Listed at 4 retailers as of October 29, 2026, with prices from £81 to £357, a £275 spread on the same certified stone. NZ Jewellers lists it at £357. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateC731A53873
Dimensions4.88 × 4.85 × 2.86 mm
L/W Ratio1.01
Top View
4.88 mm4.85 mm0.42 ctG / VS1
OriginLab Grown
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateC731A53873
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 58.8%

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: Oct 29
Current: £357 GBP|Low: £78 GBP|High: £357 GBP|Avg: £173 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 2£81 GBP
Retailer 4£94 GBP
Retailer 3£107 GBP
NZ Jewellers£357 GBP

3 data points across 4 retailers

4 retailers£81 GBP to £357 GBP

B+
Cheapest Retailer
-
£81 GBP
$109 USD
B+
Retailer 2
-
£94 GBP
$126 USD
View
B+
Retailer 3
-
£107 GBP
$144 USD
View
Most Expensive
C
NZ Jewellers
baf74c96-c28b-40b1-a5e5-4afafc301b5e · Oct 30
£357 GBP
$478 USD
View
3 more retailers have this diamond
Prices start from £81 GBPSave up to £275 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+
0.42ct Round
£81 GBP