Marquise|Natural|GIA

0.51ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 2544730685

Certificate GIA 2544730685

Diamond specifications and retailer prices

From €514 EUR
As of November 6, 2026
Save €1,614 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,128 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544730685. Listed at 13 retailers as of November 5, 2026, with prices from €514 to €2,128, a €1,614 spread on the same certified stone. NZ Jewellers lists it at €2,128. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544730685
Dimensions8.39 × 4.15 × 2.57 mm
L/W Ratio2.02
Top View
8.39 mm4.15 mm0.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544730685
Side View
Table 59.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.9%

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: €2,128 EUR|Low: €514 EUR|High: €2,128 EUR|Avg: €866 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
November 6, 2026
Retailer 2€514 EUR
Retailer 5€617 EUR
Retailer 11€625 EUR
Retailer 12€679 EUR
Retailer 7€696 EUR
Retailer 3€702 EUR
Retailer 10€705 EUR
Retailer 13€771 EUR
Retailer 4€783 EUR
Retailer 6€810 EUR
Retailer 9€959 EUR
Retailer 8€1,241 EUR
NZ Jewellers€2,128 EUR

33 data points across 13 retailers

13 retailers€514 EUR to €2,128 EUR

A
Cheapest Retailer
-
€514 EUR
A
Retailer 2
-
€617 EUR
View
A
Retailer 3
-
€625 EUR
View
Final sale: no returns
A
Retailer 4
-
€679 EUR
View
A
Retailer 5
-
€696 EUR
View
A
Retailer 6
-
€702 EUR
View
A
Retailer 7
-
€705 EUR
View
B+
Retailer 8
-
€771 EUR
View
B+
Retailer 9
-
€783 EUR
View
B+
Retailer 10
-
€810 EUR
View
B+
Retailer 11
-
€959 EUR
View
B
Retailer 12
-
€1,241 EUR
View
Most Expensive
B
NZ Jewellers
891262ae-d934-4997-a518-e966a78ffeb0 · Nov 5
€2,128 EUR
$2,388 USD
View
12 more retailers have this diamond
Prices start from €514 EURSave up to €1,614 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
€514 EUR