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Marquise|Natural|GIA

0.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5543557515

Certificate GIA 5543557515

Diamond specifications and retailer prices

From €611 EUR
$685 USD
As of October 31, 2026
Save €732 EUR (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,343 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543557515. Listed at 17 retailers as of October 31, 2026, with prices from €611 to €1,343, a €732 spread on the same certified stone. MOH London lists it at €1,343. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543557515
Dimensions8.55 × 3.88 × 2.48 mm
L/W Ratio2.20
Top View
8.55 mm3.88 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5543557515
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NDepth 63.7%

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 31
Current: €1,343 EUR|Low: €664 EUR|High: €2,300 EUR|Avg: €1,041 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€664 EUR
Retailer 11€664 EUR
Retailer 5€690 EUR
Retailer 8€767 EUR
Retailer 10€819 EUR
Retailer 2€875 EUR
Retailer 4€1,036 EUR
Retailer 3€1,104 EUR
Retailer 9€1,179 EUR
MOH London€1,343 EUR
Retailer 6€2,300 EUR

44 data points across 11 retailers

17 retailers€611 EUR to €1,343 EUR

B+
Cheapest Retailer
-
€611 EUR
$685 USD
B+
Retailer 2
-
€664 EUR
$745 USD
View
B+
Retailer 3
-
€664 EUR
$745 USD
View
B+
Retailer 4
-
€670 EUR
$752 USD
View
B+
Retailer 5
-
€675 EUR
$757 USD
View
B+
Retailer 6
-
€690 EUR
$774 USD
View
B
Retailer 7
-
€754 EUR
$846 USD
View
B
Retailer 8
-
€767 EUR
$860 USD
View
B
Retailer 9
-
€819 EUR
$919 USD
View
B
Retailer 10
-
€820 EUR
$920 USD
View
B
Retailer 11
-
€820 EUR
$920 USD
View
B
Retailer 12
-
€847 EUR
$950 USD
View
B
Retailer 13
-
€875 EUR
£773 GBP
View
B
Retailer 14
-
€1,036 EUR
View
B
Retailer 15
-
€1,179 EUR
CA$1,837 CAD
View
Most Expensive
B
MOH London
AE1889CAC · Nov 1
€1,343 EUR
£1,186 GBP
View
15 more retailers have this diamond
Prices start from €611 EURSave up to €732 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
€611 EUR