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Marquise|Natural|GIA

0.51ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7566067098

Certificate GIA 7566067098

Diamond specifications and retailer prices

From €374 EUR
As of November 6, 2026
Save €379 EUR (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €753 EUR at Yorxs · As of November 6, 2026
View at Yorxs

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded J 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 7566067098. Listed at 10 retailers as of November 6, 2026, with prices from €374 to €753, a €379 spread on the same certified stone. Yorxs lists it at €753. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7566067098
Dimensions8.20 × 4.12 × 2.50 mm
L/W Ratio1.99
Top View
8.20 mm4.12 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7566067098
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 60.7%

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: €620 EUR|Low: €354 EUR|High: €755 EUR|Avg: €535 EUR|-17.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 7, 2026
Retailer 4€374 EUR
Retailer 3€471 EUR
Retailer 8€484 EUR
Retailer 7€589 EUR
Retailer 1€620 EUR
Retailer 9€622 EUR
Retailer 5€623 EUR
Retailer 2€685 EUR
Retailer 6€709 EUR
Yorxs€753 EUR

33 data points across 10 retailers

10 retailers€374 EUR to €753 EUR

A
Cheapest Retailer
-
€374 EUR
A
Retailer 2
-
€471 EUR
View
Final sale: no returns
A
Retailer 3
-
€484 EUR
View
B+
Retailer 4
-
€589 EUR
View
B+
Retailer 5
-
€620 EUR
View
B+
Retailer 6
-
€622 EUR
View
B+
Retailer 7
-
€623 EUR
View
B
Retailer 8
-
€685 EUR
View
B
Retailer 9
-
€709 EUR
View
Most Expensive
B
Yorxs
071638769 · Nov 6
€753 EUR
View
9 more retailers have this diamond
Prices start from €374 EURSave up to €379 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
0.51ct Marquise
€374 EUR