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Marquise|Lab Grown

0.50ct I SI1 Marquise Lab Grown Diamond

VG • I/SI1 • FA6-1513-7492

Diamond specifications and retailer prices

From $265 NZD
$149 USD
As of November 2, 2026
Save $789 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,054 NZD at NZ Jewellers · As of October 31, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade. Listed at 4 retailers as of October 31, 2026, with prices from $265 to $1,054, a $789 spread on the same certified stone. NZ Jewellers lists it at $1,054. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateFA6-1513-7492
Dimensions8.06 × 4.21 × 2.47 mm
L/W Ratio1.91
Top View
8.06 mm4.21 mm0.50 ctI / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateFA6-1513-7492
Side View
Table 57.2%CrownGirdlePavilionCuletDepth 58.8%

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 2
Current: $1,054 NZD|Low: $254 NZD|High: $1,054 NZD|Avg: $460 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$265 NZD
Retailer 4$307 NZD
Retailer 3$329 NZD
NZ Jewellers$1,054 NZD

6 data points across 4 retailers

4 retailers$265 NZD to $1,054 NZD

B+
Cheapest Retailer
-
$265 NZD
$149 USD
B+
Retailer 2
-
$307 NZD
$173 USD
View
B
Retailer 3
-
$329 NZD
$185 USD
View
Most Expensive
C
NZ Jewellers
c6b9910c-8a4a-441c-b66b-c0c284d9a307 · Oct 31
$1,054 NZD
$593 USD
View
3 more retailers have this diamond
Prices start from $265 NZDSave up to $789 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+
0.50ct Marquise
$265 NZD