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Marquise|Lab Grown|UNKNOWN

0.50ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • UNKNOWN 50330406

Certificate UNKNOWN 50330406

Diamond specifications and retailer prices

From £256 GBP
As of November 4, 2026
Save £255 GBP (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,022 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 50330406. Listed at 5 retailers as of November 4, 2026, with a 99% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 50330406
Dimensions8.11 × 4.03 × 2.32 mm
L/W Ratio2.01
Top View
8.11 mm4.03 mm0.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateUNKNOWN 50330406
Side View
Table 59.7%CrownGirdlePavilionCuletDepth 57.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,022 GBP|Low: £246 GBP|High: £1,022 GBP|Avg: £460 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2£256 GBP
Retailer 5£297 GBP
Retailer 3£318 GBP
Retailer 4£511 GBP
NZ Jewellers£1,022 GBP

6 data points across 5 retailers

5 retailers£256 GBP to £511 GBP

B+
Cheapest Retailer
-
£256 GBP
B
Retailer 2
-
£297 GBP
View
B
Retailer 3
-
£318 GBP
View
C
Retailer 4
-
£511 GBP
View
Most Expensive
NZ Jewellers
c45e72da-3f34-4c86-ace0-0ea434a76f89 · Nov 4
£1,022 GBP
$1,376 USD
View
Price under review
4 more retailers have this diamond
Prices start from £256 GBPSave up to £255 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+
0.50ct Marquise
£256 GBP