Marquise|Natural|GIA

0.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2557165660

Certificate GIA 2557165660

Diamond specifications and retailer prices

From €519 EUR
As of November 6, 2026
Save €1,628 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,147 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557165660. Listed at 13 retailers as of November 5, 2026, with prices from €519 to €2,147, a €1,628 spread on the same certified stone. NZ Jewellers lists it at €2,147. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557165660
Dimensions8.53 × 4.10 × 2.47 mm
L/W Ratio2.08
Top View
8.53 mm4.10 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557165660
Side View
Table 58.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €519 EUR|Low: €519 EUR|High: €1,267 EUR|Avg: €788 EUR|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1€519 EUR
Retailer 7€632 EUR
Retailer 6€699 EUR
Retailer 3€701 EUR
Retailer 8€711 EUR
Retailer 2€817 EUR
Retailer 4€966 EUR
Retailer 5€1,254 EUR

37 data points across 8 retailers

13 retailers€519 EUR to €2,147 EUR

A
Cheapest Retailer
-
€519 EUR
A
Retailer 2
-
€632 EUR
View
Final sale: no returns
A
Retailer 3
-
€685 EUR
View
A
Retailer 4
-
€699 EUR
View
A
Retailer 5
-
€701 EUR
View
A
Retailer 6
-
€708 EUR
View
A
Retailer 7
-
€711 EUR
View
B+
Retailer 8
-
€776 EUR
View
B+
Retailer 9
-
€790 EUR
View
B+
Retailer 10
-
€817 EUR
View
B+
Retailer 11
-
€966 EUR
View
B
Retailer 12
-
€1,254 EUR
View
Most Expensive
B
NZ Jewellers
0d6eefda-45c2-4910-8efa-370fbd0c370c · Nov 5
€2,147 EUR
$2,410 USD
View
12 more retailers have this diamond
Prices start from €519 EURSave up to €1,628 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.

A
0.50ct Marquise
€519 EUR