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Marquise|Lab Grown

0.51ct H VS2 Marquise Lab Grown Diamond

VG • H/VS2 • TA50D-71-680

Diamond specifications and retailer prices

From $458 AUD
As of November 4, 2026
Save $1,364 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,822 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 VS2 clarity (very-slightly-included), with a very-good cut grade. Listed at 4 retailers as of November 4, 2026, with prices from $458 to $1,822, a $1,364 spread on the same certified stone. NZ Jewellers lists it at $1,822. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA50D-71-680
Dimensions8.90 × 4.17 × 2.39 mm
L/W Ratio2.13
Top View
8.90 mm4.17 mm0.51 ctH / VS2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateTA50D-71-680
Side View
Table 62.2%CrownGirdlePavilionCuletDepth 57.4%

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: $1,822 AUD|Low: $439 AUD|High: $1,822 AUD|Avg: $795 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$458 AUD
Retailer 4$530 AUD
Retailer 3$567 AUD
NZ Jewellers$1,822 AUD

6 data points across 4 retailers

4 retailers$458 AUD to $1,822 AUD

B+
Cheapest Retailer
-
$458 AUD
B
Retailer 2
-
$530 AUD
View
B
Retailer 3
-
$567 AUD
View
Most Expensive
C
NZ Jewellers
d5a3bde4-d13d-4d89-8c0f-155fed7c7aa1 · Nov 4
$1,822 AUD
$1,278 USD
View
3 more retailers have this diamond
Prices start from $458 AUDSave up to $1,364 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.

B+
0.51ct Marquise
$458 AUD