Marquise|Lab Grown|UNKNOWN

0.50ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • UNKNOWN 41961718

Certificate UNKNOWN 41961718

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of October 30, 2026
Save £256 GBP (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,027 GBP at NZ Jewellers · As of October 28, 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 41961718. Listed at 5 retailers as of October 30, 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 41961718
Dimensions8.61 × 4.11 × 2.52 mm
L/W Ratio2.09
Top View
8.61 mm4.11 mm0.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 41961718
Side View
Table 62.1%CrownGirdlePavilionCuletDepth 61.4%

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: Oct 30
Current: £1,027 GBP|Low: £247 GBP|High: £1,027 GBP|Avg: £462 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2£257 GBP
Retailer 5£299 GBP
Retailer 3£319 GBP
Retailer 4£513 GBP
NZ Jewellers£1,027 GBP

6 data points across 5 retailers

5 retailers£257 GBP to £513 GBP

B+
Cheapest Retailer
-
£257 GBP
$345 USD
B
Retailer 2
-
£299 GBP
$400 USD
View
B
Retailer 3
-
£319 GBP
$428 USD
View
B
Retailer 4
-
£513 GBP
$688 USD
View
Most Expensive
NZ Jewellers
23836ace-84ba-4545-b6ab-fdefcf5db4f4 · Oct 28
£1,027 GBP
$1,376 USD
View
Price under review
4 more retailers have this diamond
Prices start from £257 GBPSave up to £256 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
£257 GBP