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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2568589589

Certificate GIA 2568589589

Diamond specifications and retailer prices

From €363 EUR
As of November 6, 2026
Save €1,260 EUR (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,623 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded H 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 2568589589. Listed at 11 retailers as of November 5, 2026, with prices from €363 to €1,623, a €1,260 spread on the same certified stone. NZ Jewellers lists it at €1,623. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2568589589
Dimensions6.31 × 4.33 × 2.78 mm
L/W Ratio1.46
Girdle conditionThick
Top View
6.31 mm4.33 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2568589589
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.2%

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: €1,623 EUR|Low: €363 EUR|High: €1,623 EUR|Avg: €693 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10€363 EUR
Retailer 2€384 EUR
Retailer 6€587 EUR
Retailer 4€629 EUR
Retailer 3€631 EUR
Retailer 8€635 EUR
Retailer 9€637 EUR
Retailer 7€767 EUR
Retailer 5€798 EUR
NZ Jewellers€1,623 EUR

10 data points across 10 retailers

11 retailers€363 EUR to €1,623 EUR

A
Cheapest Retailer
-
€363 EUR
Final sale: no returns
A
Retailer 2
-
€384 EUR
View
A
Retailer 3
-
€510 EUR
View
B+
Retailer 4
-
€587 EUR
View
B+
Retailer 5
-
€629 EUR
View
B+
Retailer 6
-
€631 EUR
View
B+
Retailer 7
-
€635 EUR
View
B+
Retailer 8
-
€637 EUR
View
B+
Retailer 9
-
€767 EUR
View
B
Retailer 10
-
€798 EUR
View
Most Expensive
B
NZ Jewellers
48c9bb09-83af-4f02-ae8f-d0c082692294 · Nov 5
€1,623 EUR
$1,812 USD
View
10 more retailers have this diamond
Prices start from €363 EURSave up to €1,260 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 Oval
€363 EUR