Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 2567161655

Certificate GIA 2567161655

Diamond specifications and retailer prices

From €511 EUR
As of November 6, 2026
Save €1,227 EUR (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,738 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 F 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 2567161655. Listed at 16 retailers as of November 5, 2026, with prices from €511 to €1,738, a €1,227 spread on the same certified stone. NZ Jewellers lists it at €1,738. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567161655
Dimensions6.26 × 4.50 × 2.84 mm
L/W Ratio1.39
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
6.26 mm4.50 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2567161655
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.1%

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: €1,738 EUR|Low: €511 EUR|High: €1,777 EUR|Avg: €777 EUR|-2.2%
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
November 7, 2026
Retailer 5€511 EUR
Retailer 7€545 EUR
Retailer 12€554 EUR
Retailer 2€597 EUR
Retailer 15€597 EUR
Retailer 13€640 EUR
Retailer 10€674 EUR
Retailer 8€676 EUR
Retailer 4€698 EUR
Retailer 3€725 EUR
Retailer 9€742 EUR
Retailer 6€765 EUR
Retailer 11€855 EUR
Retailer 14€1,279 EUR
NZ Jewellers€1,738 EUR

28 data points across 15 retailers

16 retailers€511 EUR to €1,738 EUR

A
Cheapest Retailer
-
€511 EUR
Final sale: no returns
A
Retailer 2
-
€545 EUR
View
A
Retailer 3
-
€554 EUR
View
A
Retailer 4
-
€597 EUR
View
Retailer 5
-
€597 EUR
View
Price last confirmed 9 days ago
A
Retailer 6
-
€640 EUR
View
B+
Retailer 7
-
€674 EUR
View
B+
Retailer 8
-
€676 EUR
View
B+
Retailer 9
-
€698 EUR
View
B+
Retailer 10
-
€725 EUR
View
B+
Retailer 11
-
€742 EUR
View
B+
Retailer 12
-
€765 EUR
View
B+
Retailer 13
-
€855 EUR
View
Retailer 14
-
€898 EUR
View
Price last confirmed 34 days ago
B
Retailer 15
-
€1,279 EUR
View
Most Expensive
B
NZ Jewellers
ba5e2339-6805-4867-9208-27a31935c787 · Nov 5
€1,738 EUR
$1,940 USD
View
15 more retailers have this diamond
Prices start from €511 EURSave up to €1,227 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
€511 EUR