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Marquise|Natural|GIA

0.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6542475233

Certificate GIA 6542475233

Diamond specifications and retailer prices

From €811 EUR
As of November 5, 2026
Save €455 EUR (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,265 EUR at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.51ct natural marquise diamond

This 0.51ct 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 6542475233. Listed at 9 retailers as of November 5, 2026, with prices from €811 to €1,265, a €455 spread on the same certified stone. Diamond Exchange Canada lists it at €1,265. 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

0.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.36°
OriginNatural
Grading LabGIA
CertificateGIA 6542475233
Dimensions8.28 × 4.34 × 2.52 mm
L/W Ratio1.91
Top View
8.28 mm4.34 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542475233
Side View
Table 63.0%Crown 33.36°Girdle: Sli. ThickPavilionCulet: NoneDepth 58.0%

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: Nov 5
Current: €1,265 EUR|Low: €717 EUR|High: €1,265 EUR|Avg: €900 EUR
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4€717 EUR
Retailer 13€731 EUR
Retailer 3€734 EUR
Retailer 5€788 EUR
Retailer 7€811 EUR
Retailer 9€873 EUR
Retailer 10€873 EUR
Retailer 12€878 EUR
Retailer 8€900 EUR
Retailer 2€1,013 EUR
Retailer 6€1,031 EUR
Retailer 11€1,104 EUR
Diamond Exchange Canada€1,265 EUR

43 data points across 13 retailers

9 retailers€811 EUR to €1,265 EUR

B+
Cheapest Retailer
-
€811 EUR
B+
Retailer 2
-
€873 EUR
View
B+
Retailer 3
-
€873 EUR
View
B+
Retailer 4
-
€878 EUR
View
B+
Retailer 5
-
€900 EUR
View
B+
Retailer 6
-
€1,013 EUR
View
B+
Retailer 7
-
€1,031 EUR
View
B
Retailer 8
-
€1,104 EUR
View
Most Expensive
B
Diamond Exchange Canada
1984739230 · Nov 5
€1,265 EUR
CA$1,973 CAD
View
8 more retailers have this diamond
Prices start from €811 EURSave up to €455 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+
0.51ct Marquise
€811 EUR