Marquise|Lab Grown|UNKNOWN

0.51ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • UNKNOWN 50105463

Certificate UNKNOWN 50105463

Diamond specifications and retailer prices

From €314 EUR
$351 USD
As of October 30, 2026
Save €311 EUR (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,254 EUR at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.51ct lab-grown marquise diamond

This 0.51ct 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 50105463. 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

0.51
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 50105463
Dimensions7.91 × 4.18 × 2.54 mm
L/W Ratio1.89
Top View
7.91 mm4.18 mm0.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 50105463
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 60.7%

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: €1,254 EUR|Low: €302 EUR|High: €1,254 EUR|Avg: €564 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2€314 EUR
Retailer 5€365 EUR
Retailer 3€390 EUR
Retailer 4€626 EUR
NZ Jewellers€1,254 EUR

6 data points across 5 retailers

5 retailers€314 EUR to €626 EUR

B+
Cheapest Retailer
-
€314 EUR
$351 USD
B
Retailer 2
-
€365 EUR
$408 USD
View
B
Retailer 3
-
€390 EUR
$436 USD
View
C
Retailer 4
-
€626 EUR
$699 USD
View
Most Expensive
NZ Jewellers
c0375acd-d9c3-459e-801b-518b1e1cf768 · Oct 28
€1,254 EUR
$1,401 USD
View
Price under review
4 more retailers have this diamond
Prices start from €314 EURSave up to €311 EUR

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+
0.51ct Marquise
€314 EUR