Marquise|Lab Grown

0.50ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • TA50D-66-567

Diamond specifications and retailer prices

From $179 USD
As of November 2, 2026
Save $535 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $714 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade. Listed at 4 retailers as of October 31, 2026, with prices from $179 to $714, a $535 spread on the same certified stone. NZ Jewellers lists it at $714. 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
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA50D-66-567
Dimensions8.36 × 4.08 × 2.53 mm
L/W Ratio2.05
Top View
8.36 mm4.08 mm0.50 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateTA50D-66-567
Side View
Table 69.6%CrownGirdlePavilionCuletDepth 62.0%

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: Nov 2
Current: $714 USD|Low: $172 USD|High: $714 USD|Avg: $311 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$179 USD
Retailer 4$208 USD
Retailer 3$222 USD
NZ Jewellers$714 USD

6 data points across 4 retailers

4 retailers$179 USD to $714 USD

B+
Cheapest Retailer
-
$179 USD
B
Retailer 2
-
$208 USD
View
B
Retailer 3
-
$222 USD
View
Most Expensive
C
NZ Jewellers
879a613a-64ee-416e-b0c0-2b76388a6082 · Oct 31
$714 USD
View
3 more retailers have this diamond
Prices start from $179 USDSave up to $535 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
$179 USD