Round|Lab Grown|UNKNOWN

0.42ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • UNKNOWN 331032526

Certificate UNKNOWN 331032526

Diamond specifications and retailer prices

From £163 GBP
$218 USD
As of October 29, 2026
Save £487 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £649 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 I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 331032526. Listed at 5 retailers as of October 29, 2026, with prices from £163 to £649, a £487 spread on the same certified stone. NZ Jewellers lists it at £649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 331032526
Dimensions4.91 × 4.89 × 2.89 mm
L/W Ratio1.00
Top View
4.91 mm4.89 mm0.42 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 331032526
Side View
Table 58.1%CrownGirdlePavilionCuletDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £163 GBP|Low: £157 GBP|High: £346 GBP|Avg: £228 GBP|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£163 GBP
Retailer 4£189 GBP
Retailer 2£202 GBP
Retailer 3£346 GBP

4 data points across 4 retailers

5 retailers£163 GBP to £649 GBP

A
Cheapest Retailer
-
£163 GBP
$218 USD
B+
Retailer 2
-
£189 GBP
$253 USD
View
B+
Retailer 3
-
£202 GBP
$271 USD
View
B
Retailer 4
-
£346 GBP
$464 USD
View
Most Expensive
C
NZ Jewellers
552651a1-1123-44b5-bb88-23a3d1bcc117 · Oct 30
£649 GBP
$870 USD
View
4 more retailers have this diamond
Prices start from £163 GBPSave up to £487 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.

A
0.42ct Round
£163 GBP