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Marquise|Lab Grown|UNKNOWN

0.51ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • UNKNOWN 613601360

Certificate UNKNOWN 613601360

Diamond specifications and retailer prices

From $479 AUD
As of November 4, 2026
Save $1,431 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,910 AUD 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 613601360. Listed at 5 retailers as of November 4, 2026, with prices from $479 to $1,910, a $1,431 spread on the same certified stone. NZ Jewellers lists it at $1,910. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 613601360
Dimensions8.45 × 4.12 × 2.39 mm
L/W Ratio2.05
Top View
8.45 mm4.12 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 613601360
Side View
Table 63.4%CrownGirdlePavilionCuletDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,910 AUD|Low: $460 AUD|High: $1,910 AUD|Avg: $861 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$479 AUD
Retailer 5$556 AUD
Retailer 3$594 AUD
Retailer 4$959 AUD
NZ Jewellers$1,910 AUD

6 data points across 5 retailers

5 retailers$479 AUD to $1,910 AUD

A
Cheapest Retailer
-
$479 AUD
B+
Retailer 2
-
$556 AUD
View
B
Retailer 3
-
$594 AUD
View
B
Retailer 4
-
$959 AUD
View
Most Expensive
C
NZ Jewellers
5b592cad-9d4b-41a1-99fe-e72442cdd9e5 · Nov 4
$1,910 AUD
$1,340 USD
View
4 more retailers have this diamond
Prices start from $479 AUDSave up to $1,431 AUD

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.

A
0.51ct Marquise
$479 AUD