Marquise|Lab Grown

0.50ct I SI1 Marquise Lab Grown Diamond

VG • I/SI1 • FA6-1513-7492

Diamond specifications and retailer prices

From $149 USD
As of November 2, 2026
Save $444 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $593 USD 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 $149 to $593, a $444 spread on the same certified stone. NZ Jewellers lists it at $593. 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
Color
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: $593 USD|Low: $143 USD|High: $593 USD|Avg: $259 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$149 USD
Retailer 4$173 USD
Retailer 3$185 USD
NZ Jewellers$593 USD

6 data points across 4 retailers

4 retailers$149 USD to $593 USD

B+
Cheapest Retailer
-
$149 USD
B+
Retailer 2
-
$173 USD
View
B
Retailer 3
-
$185 USD
View
Most Expensive
C
NZ Jewellers
c6b9910c-8a4a-441c-b66b-c0c284d9a307 · Oct 31
$593 USD
View
3 more retailers have this diamond
Prices start from $149 USDSave up to $444 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+
0.50ct Marquise
$149 USD