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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 5563528487

Certificate GIA 5563528487

Diamond specifications and retailer prices

From €563 EUR
$629 USD
As of October 29, 2026
Save €1,349 EUR (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,912 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563528487. Listed at 15 retailers as of October 29, 2026, with prices from €563 to €1,912, a €1,349 spread on the same certified stone. NZ Jewellers lists it at €1,912. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 5563528487
Dimensions6.45 × 4.50 × 2.83 mm
L/W Ratio1.43
Key to symbols
Cloud
Top View
6.45 mm4.50 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563528487
Side View
Table 61.0%Crown 32°Girdle: MED-THKPavilion 42°Culet: NoneDepth 62.8%

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: Oct 29
Current: €1,912 EUR|Low: €471 EUR|High: €1,912 EUR|Avg: €807 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
October 30, 2026
Retailer 4€563 EUR
Retailer 13€564 EUR
Retailer 3€577 EUR
Retailer 5€610 EUR
Retailer 12€610 EUR
Retailer 14€633 EUR
Retailer 7€704 EUR
Retailer 15€728 EUR
Retailer 8€730 EUR
Retailer 2€738 EUR
Retailer 9€752 EUR
Retailer 6€799 EUR
Retailer 11€867 EUR
Retailer 10€1,415 EUR
NZ Jewellers€1,912 EUR

22 data points across 15 retailers

15 retailers€563 EUR to €1,912 EUR

A
Cheapest Retailer
-
€563 EUR
$629 USD
Final sale: no returns
Retailer 2
-
€564 EUR
$630 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
€577 EUR
$645 USD
View
A
Retailer 4
-
€610 EUR
$681 USD
View
A
Retailer 5
-
€610 EUR
$681 USD
View
A
Retailer 6
-
€633 EUR
$707 USD
View
B+
Retailer 7
-
€704 EUR
$786 USD
View
B+
Retailer 8
-
€728 EUR
$813 USD
View
B+
Retailer 9
-
€730 EUR
£643 GBP
View
B+
Retailer 10
-
€738 EUR
$825 USD
View
B+
Retailer 11
-
€752 EUR
£662 GBP
View
B+
Retailer 12
-
€799 EUR
$893 USD
View
B+
Retailer 13
-
€867 EUR
View
B
Retailer 14
-
€1,415 EUR
£1,245 GBP
View
Most Expensive
B
NZ Jewellers
0bd4f918-9ca8-4b85-af13-a681bd8accd7 · Oct 30
€1,912 EUR
$2,136 USD
View
14 more retailers have this diamond
Prices start from €563 EURSave up to €1,349 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
€563 EUR