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Marquise|Lab Grown|UNKNOWN

0.51ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • UNKNOWN 65133776

Certificate UNKNOWN 65133776

Diamond specifications and retailer prices

From $623 NZD
As of November 4, 2026
Save $617 NZD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,485 NZD at NZ Jewellers · As of November 4, 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 65133776. 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

0.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 65133776
Dimensions8.01 × 4.23 × 2.64 mm
L/W Ratio1.89
Top View
8.01 mm4.23 mm0.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 65133776
Side View
Table 57.2%CrownGirdlePavilionCuletDepth 62.4%

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: Nov 4
Current: $2,485 NZD|Low: $598 NZD|High: $2,485 NZD|Avg: $1,118 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$623 NZD
Retailer 5$724 NZD
Retailer 3$773 NZD
Retailer 4$1,240 NZD
NZ Jewellers$2,485 NZD

6 data points across 5 retailers

5 retailers$623 NZD to $1,240 NZD

B+
Cheapest Retailer
-
$623 NZD
B
Retailer 2
-
$724 NZD
View
B
Retailer 3
-
$773 NZD
View
B
Retailer 4
-
$1,240 NZD
View
Most Expensive
NZ Jewellers
e4e0d9d0-71d6-4a48-b4d9-e698cd3f08ae · Nov 4
$2,485 NZD
$1,401 USD
View
Price under review
4 more retailers have this diamond
Prices start from $623 NZDSave up to $617 NZD

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
$623 NZD