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Oval|Natural|GIA

0.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6565801280

Certificate GIA 6565801280

Diamond specifications and retailer prices

From €287 EUR
As of November 6, 2026
Save €1,189 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,476 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 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 6565801280. Listed at 16 retailers as of November 5, 2026, with prices from €287 to €1,476, a €1,189 spread on the same certified stone. NZ Jewellers lists it at €1,476. 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 6565801280
Dimensions6.32 × 4.47 × 2.85 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Knot
Top View
6.32 mm4.47 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565801280
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 63.7%

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: €1,476 EUR|Low: €287 EUR|High: €1,476 EUR|Avg: €564 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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 10€287 EUR
Retailer 2€352 EUR
Retailer 7€385 EUR
Retailer 9€396 EUR
Retailer 8€415 EUR
Retailer 15€440 EUR
Retailer 11€465 EUR
Retailer 4€466 EUR
Retailer 14€468 EUR
Retailer 16€485 EUR
Retailer 12€498 EUR
Retailer 13€544 EUR
Retailer 5€573 EUR
Retailer 3€597 EUR
Retailer 6€888 EUR
NZ Jewellers€1,476 EUR

5 data points across 16 retailers

16 retailers€287 EUR to €1,476 EUR

A
Cheapest Retailer
-
€287 EUR
A
Retailer 2
-
€352 EUR
View
Final sale: no returns
A
Retailer 3
-
€385 EUR
View
A
Retailer 4
-
€396 EUR
View
A
Retailer 5
-
€415 EUR
View
A
Retailer 6
-
€440 EUR
View
A
Retailer 7
-
€465 EUR
View
B+
Retailer 8
-
€466 EUR
View
A
Retailer 9
-
€468 EUR
View
B+
Retailer 10
-
€485 EUR
View
B+
Retailer 11
-
€498 EUR
View
B+
Retailer 12
-
€544 EUR
View
B+
Retailer 13
-
€573 EUR
View
B
Retailer 14
-
€597 EUR
View
B
Retailer 15
-
€888 EUR
View
Most Expensive
B
NZ Jewellers
9a4e8a39-a3b4-4111-8165-27ef4de888cb · Nov 5
€1,476 EUR
$1,648 USD
View
15 more retailers have this diamond
Prices start from €287 EURSave up to €1,189 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
€287 EUR