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Marquise|Natural|GIA

0.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6555998638

Certificate GIA 6555998638

Diamond specifications and retailer prices

From €504 EUR
HK$4,400 HKD
As of October 31, 2026
Save €1,597 EUR (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,101 EUR at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555998638. Listed at 17 retailers as of October 30, 2026, with prices from €504 to €2,101, a €1,597 spread on the same certified stone. NZ Jewellers lists it at €2,101. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555998638
Dimensions8.73 × 4.00 × 2.38 mm
L/W Ratio2.18
Key to symbols
Twinning Wisp, Feather
Top View
8.73 mm4.00 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555998638
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 59.4%

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: Oct 31
Current: €2,101 EUR|Low: €493 EUR|High: €2,101 EUR|Avg: €825 EUR|+3.5%
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
October 31, 2026
Retailer 2€504 EUR
Retailer 9€598 EUR
Retailer 5€618 EUR
Retailer 14€670 EUR
Retailer 16€670 EUR
Retailer 3€671 EUR
Retailer 4€680 EUR
Retailer 8€695 EUR
Retailer 15€695 EUR
Retailer 6€767 EUR
Retailer 13€773 EUR
Retailer 7€789 EUR
Retailer 12€803 EUR
Retailer 10€804 EUR
Retailer 11€951 EUR
Retailer 17€1,229 EUR
NZ Jewellers€2,101 EUR

29 data points across 17 retailers

17 retailers€504 EUR to €2,101 EUR

A
Cheapest Retailer
-
€504 EUR
HK$4,400 HKD
Retailer 2
-
€598 EUR
$668 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
€618 EUR
$690 USD
View
Final sale: no returns
A
Retailer 4
-
€670 EUR
$749 USD
View
A
Retailer 5
-
€670 EUR
$749 USD
View
Retailer 6
-
€671 EUR
$750 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
€680 EUR
$760 USD
View
B+
Retailer 8
-
€695 EUR
SGD 1,050 SGD
View
A
Retailer 9
-
€695 EUR
$777 USD
View
B+
Retailer 10
-
€767 EUR
$857 USD
View
B+
Retailer 11
-
€773 EUR
$864 USD
View
B+
Retailer 12
-
€789 EUR
$881 USD
View
B+
Retailer 13
-
€803 EUR
£706 GBP
View
B+
Retailer 14
-
€804 EUR
£708 GBP
View
B
Retailer 15
-
€951 EUR
View
B
Retailer 16
-
€1,229 EUR
£1,081 GBP
View
Most Expensive
B
NZ Jewellers
88d87b2f-aadb-4faf-81c0-ee5e9c54b4c5 · Oct 30
€2,101 EUR
$2,347 USD
View
16 more retailers have this diamond
Prices start from €504 EURSave up to €1,597 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
€504 EUR