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Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565342064

Certificate GIA 6565342064

Diamond specifications and retailer prices

From €351 EUR
As of November 6, 2026
Save €1,157 EUR (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,508 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565342064. Listed at 18 retailers as of November 5, 2026, with prices from €351 to €1,508, a €1,157 spread on the same certified stone. NZ Jewellers lists it at €1,508. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565342064
Dimensions7.96 × 4.08 × 2.47 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.96 mm4.08 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565342064
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €1,508 EUR|Low: €351 EUR|High: €1,508 EUR|Avg: €679 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 12€351 EUR
Retailer 3€481 EUR
Retailer 8€493 EUR
Retailer 7€518 EUR
Retailer 14€518 EUR
Retailer 2€531 EUR
Retailer 11€545 EUR
Retailer 17€555 EUR
Retailer 16€588 EUR
Retailer 9€589 EUR
Retailer 4€598 EUR
Retailer 13€600 EUR
Retailer 6€658 EUR
Retailer 5€717 EUR
Retailer 15€742 EUR
Retailer 10€793 EUR
Retailer 18€1,109 EUR
NZ Jewellers€1,508 EUR

30 data points across 18 retailers

18 retailers€351 EUR to €1,508 EUR

A
Cheapest Retailer
-
€351 EUR
A
Retailer 2
-
€481 EUR
View
A
Retailer 3
-
€493 EUR
View
A
Retailer 4
-
€518 EUR
View
Retailer 5
-
€518 EUR
View
Price last confirmed 9 days ago
A
Retailer 6
-
€531 EUR
View
Final sale: no returns
B+
Retailer 7
-
€545 EUR
View
A
Retailer 8
-
€555 EUR
View
B+
Retailer 9
-
€588 EUR
View
B+
Retailer 10
-
€589 EUR
View
B+
Retailer 11
-
€598 EUR
View
B+
Retailer 12
-
€600 EUR
View
B+
Retailer 13
-
€658 EUR
View
B+
Retailer 14
-
€717 EUR
View
B
Retailer 15
-
€742 EUR
View
Retailer 16
-
€793 EUR
View
Price last confirmed 23 days ago
B
Retailer 17
-
€1,109 EUR
View
Most Expensive
B
NZ Jewellers
d0785638-7558-4dea-94ff-7bca7e12f6e5 · Nov 5
€1,508 EUR
$1,684 USD
View
17 more retailers have this diamond
Prices start from €351 EURSave up to €1,157 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
€351 EUR