Marquise|Lab Grown

0.50ct I SI1 Marquise Lab Grown Diamond

VG • I/SI1 • FA6-1513-7492

Diamond specifications and retailer prices

From €133 EUR
$149 USD
As of October 30, 2026
Save €397 EUR (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €531 EUR 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 30, 2026, with prices from €133 to €531, a €397 spread on the same certified stone. NZ Jewellers lists it at €531. 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: Oct 30
Current: €531 EUR|Low: €128 EUR|High: €531 EUR|Avg: €232 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2€133 EUR
Retailer 4€155 EUR
Retailer 3€166 EUR
NZ Jewellers€531 EUR

6 data points across 4 retailers

4 retailers€133 EUR to €531 EUR

B+
Cheapest Retailer
-
€133 EUR
$149 USD
B+
Retailer 2
-
€155 EUR
$173 USD
View
B
Retailer 3
-
€166 EUR
$185 USD
View
Most Expensive
C
NZ Jewellers
c6b9910c-8a4a-441c-b66b-c0c284d9a307 · Oct 31
€531 EUR
$593 USD
View
3 more retailers have this diamond
Prices start from €133 EURSave up to €397 EUR

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
€133 EUR