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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 2566335237

Certificate GIA 2566335237

Diamond specifications and retailer prices

From €412 EUR
$460 USD
As of October 28, 2026
Save €1,422 EUR (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,834 EUR at NZ Jewellers · As of October 27, 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 2566335237. Listed at 9 retailers as of October 27, 2026, with prices from €412 to €1,834, a €1,422 spread on the same certified stone. NZ Jewellers lists it at €1,834. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566335237
Dimensions6.22 × 4.42 × 2.83 mm
L/W Ratio1.41
Girdle conditionThick
Top View
6.22 mm4.42 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566335237
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.9%

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 28
Current: €1,834 EUR|Low: €374 EUR|High: €1,854 EUR|Avg: €835 EUR|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8€412 EUR
Retailer 6€440 EUR
Retailer 9€695 EUR
Retailer 3€703 EUR
Retailer 7€703 EUR
Retailer 2€721 EUR
Retailer 5€858 EUR
Retailer 4€1,358 EUR
NZ Jewellers€1,834 EUR

29 data points across 9 retailers

9 retailers€412 EUR to €1,834 EUR

A
Cheapest Retailer
-
€412 EUR
$460 USD
Final sale: no returns
A
Retailer 2
-
€440 EUR
₹46,791 INR
View
A
Retailer 3
-
€695 EUR
$776 USD
View
A
Retailer 4
-
€703 EUR
£618 GBP
View
Retailer 5
-
€703 EUR
$785 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€721 EUR
£634 GBP
View
B+
Retailer 7
-
€858 EUR
View
B
Retailer 8
-
€1,358 EUR
£1,195 GBP
View
Most Expensive
B
NZ Jewellers
56825cec-4661-4726-91e1-7df04ea32e5f · Oct 27
€1,834 EUR
$2,049 USD
View
8 more retailers have this diamond
Prices start from €412 EURSave up to €1,422 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
€412 EUR