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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5563002670

Certificate GIA 5563002670

Diamond specifications and retailer prices

From €582 EUR
As of November 6, 2026
Save €384 EUR (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €966 EUR at Frank Darling · As of November 6, 2026
View at Frank Darling

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 5563002670. Listed at 11 retailers as of November 6, 2026, with prices from €582 to €966, a €384 spread on the same certified stone. Frank Darling lists it at €966. 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
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle39.65°
OriginNatural
Grading LabGIA
CertificateGIA 5563002670
Dimensions6.69 × 4.35 × 2.69 mm
L/W Ratio1.54
Culet sizeNone
Top View
6.69 mm4.35 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563002670
Side View
Table 59.0%Crown 38.37°Girdle: MED-THKPavilion 39.65°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €966 EUR|Low: €582 EUR|High: €1,001 EUR|Avg: €761 EUR|-3.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7€582 EUR
Retailer 3€588 EUR
Retailer 6€595 EUR
Retailer 10€625 EUR
Retailer 5€680 EUR
Retailer 8€765 EUR
Retailer 4€819 EUR
Retailer 9€823 EUR
Retailer 2€863 EUR
Retailer 11€878 EUR
Frank Darling€966 EUR

29 data points across 11 retailers

11 retailers€582 EUR to €966 EUR

A
Cheapest Retailer
-
€582 EUR
A
Retailer 2
-
€588 EUR
View
B+
Retailer 3
-
€595 EUR
View
B+
Retailer 4
-
€625 EUR
View
B+
Retailer 5
-
€680 EUR
View
B+
Retailer 6
-
€765 EUR
View
B
Retailer 7
-
€819 EUR
View
B
Retailer 8
-
€823 EUR
View
B
Retailer 9
-
€863 EUR
View
B
Retailer 10
-
€878 EUR
View
Most Expensive
B
Frank Darling
2671124HK · Nov 6
€966 EUR
$1,079 USD
View
10 more retailers have this diamond
Prices start from €582 EURSave up to €384 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
€582 EUR