Marquise|Lab Grown|UNKNOWN

0.51ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • UNKNOWN 12106573

Certificate UNKNOWN 12106573

Diamond specifications and retailer prices

From $382 USD
As of November 4, 2026
Save $373 USD (49%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,524 USD 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 12106573. Listed at 5 retailers as of November 4, 2026, with a 98% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 12106573
Dimensions8.07 × 4.19 × 2.65 mm
L/W Ratio1.93
Top View
8.07 mm4.19 mm0.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 12106573
Side View
Table 59.8%CrownGirdlePavilionCuletDepth 63.3%

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: $1,524 USD|Low: $367 USD|High: $1,524 USD|Avg: $681 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$382 USD
Retailer 5$428 USD
Retailer 3$474 USD
Retailer 4$755 USD
NZ Jewellers$1,524 USD

6 data points across 5 retailers

5 retailers$382 USD to $755 USD

B+
Cheapest Retailer
-
$382 USD
B
Retailer 2
-
$428 USD
View
B
Retailer 3
-
$474 USD
View
B
Retailer 4
-
$755 USD
View
Most Expensive
NZ Jewellers
6db76481-3497-4e11-918d-fcb554d65816 · Nov 4
$1,524 USD
View
Price under review
4 more retailers have this diamond
Prices start from $382 USDSave up to $373 USD

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
$382 USD