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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

GD • H/SI1 • GIA 2556444651

Certificate GIA 2556444651

Diamond specifications and retailer prices

From €399 EUR
As of November 6, 2026
Save €1,206 EUR (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,606 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2556444651. Listed at 21 retailers as of November 5, 2026, with prices from €399 to €1,606, a €1,206 spread on the same certified stone. NZ Jewellers lists it at €1,606. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556444651
Dimensions6.35 × 4.50 × 2.87 mm
L/W Ratio1.41
Girdle conditionFaceted
Key to symbols
Feather, Twinning Wisp, Crystal, Cloud
Top View
6.35 mm4.50 mm0.51 ctH / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2556444651
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: 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: €1,606 EUR|Low: €399 EUR|High: €1,606 EUR|Avg: €697 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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 2€399 EUR
Retailer 8€472 EUR
Retailer 3€512 EUR
Retailer 13€532 EUR
Retailer 5€552 EUR
Retailer 11€552 EUR
Retailer 18€591 EUR
Retailer 19€594 EUR
Retailer 10€597 EUR
Retailer 15€622 EUR
Retailer 12€625 EUR
Retailer 6€630 EUR
Retailer 7€644 EUR
Retailer 4€685 EUR
Retailer 9€728 EUR
Retailer 14€755 EUR
Retailer 16€790 EUR
Retailer 17€1,182 EUR
NZ Jewellers€1,606 EUR

23 data points across 19 retailers

21 retailers€399 EUR to €1,606 EUR

A
Cheapest Retailer
-
€399 EUR
B+
Retailer 2
-
€435 EUR
View
B+
Retailer 3
-
€472 EUR
View
Final sale: no returns
B+
Retailer 4
-
€512 EUR
View
B+
Retailer 5
-
€532 EUR
View
B+
Retailer 6
-
€552 EUR
View
Retailer 7
-
€552 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€591 EUR
View
B+
Retailer 9
-
€594 EUR
View
B+
Retailer 10
-
€597 EUR
View
B
Retailer 11
-
€622 EUR
View
B+
Retailer 12
-
€625 EUR
View
B
Retailer 13
-
€630 EUR
View
B
Retailer 14
-
€644 EUR
View
B
Retailer 15
-
€685 EUR
View
B
Retailer 16
-
€728 EUR
View
B
Retailer 17
-
€755 EUR
View
Retailer 18
-
€777 EUR
View
Price last confirmed 33 days ago
B
Retailer 19
-
€790 EUR
View
C
Retailer 20
-
€1,182 EUR
View
Most Expensive
C
NZ Jewellers
dd1940f1-609e-45b9-ade2-9c6db32196c8 · Nov 5
€1,606 EUR
$1,793 USD
View
20 more retailers have this diamond
Prices start from €399 EURSave up to €1,206 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
€399 EUR