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Marquise|Lab Grown

0.50ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • TB44D-13-813

Diamond specifications and retailer prices

From $174 AUD
$122 USD
As of October 30, 2026
Save $521 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $695 AUD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade. Listed at 4 retailers as of October 28, 2026, with prices from $174 to $695, a $521 spread on the same certified stone. NZ Jewellers lists it at $695. 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

0.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTB44D-13-813
Dimensions8.64 × 4.22 × 2.49 mm
L/W Ratio2.05
Top View
8.64 mm4.22 mm0.50 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateTB44D-13-813
Side View
Table 64.9%CrownGirdlePavilionCuletDepth 59.0%

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: $695 AUD|Low: $168 AUD|High: $695 AUD|Avg: $308 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$174 AUD
Retailer 4$202 AUD
Retailer 3$231 AUD
NZ Jewellers$695 AUD

6 data points across 4 retailers

4 retailers$174 AUD to $695 AUD

B+
Cheapest Retailer
-
$174 AUD
$122 USD
B+
Retailer 2
-
$202 AUD
$142 USD
View
B+
Retailer 3
-
$231 AUD
$162 USD
View
Most Expensive
C
NZ Jewellers
4028828d-0426-4246-9d9e-d609288abe12 · Oct 28
$695 AUD
$488 USD
View
3 more retailers have this diamond
Prices start from $174 AUDSave up to $521 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+
0.50ct Marquise
$174 AUD