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Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2558961283

Certificate GIA 2558961283

Diamond specifications and retailer prices

From $512 AUD
As of November 6, 2026
Save $1,112 AUD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,625 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct natural oval diamond

This 0.5ct natural oval sits in the half to three-quarter carat band, graded I 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 2558961283. Listed at 20 retailers as of November 4, 2026, with prices from $512 to $1,625, a $1,112 spread on the same certified stone. MOH London lists it at $1,625. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2558961283
Dimensions6.28 × 4.38 × 2.79 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.28 mm4.38 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2558961283
Side View
Table 62.0%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: $1,625 AUD|Low: $512 AUD|High: $1,680 AUD|Avg: $900 AUD|-3.3%
MOH London
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
November 6, 2026
Retailer 2$512 AUD
Retailer 12$595 AUD
Retailer 6$649 AUD
Retailer 14$719 AUD
Retailer 13$758 AUD
Retailer 3$814 AUD
Retailer 7$860 AUD
Retailer 8$866 AUD
Retailer 11$895 AUD
Retailer 5$993 AUD
Retailer 4$1,004 AUD
Retailer 10$1,058 AUD
Retailer 9$1,092 AUD
MOH London$1,625 AUD

25 data points across 14 retailers

20 retailers$512 AUD to $1,625 AUD

A
Cheapest Retailer
-
$512 AUD
A
Retailer 2
-
$595 AUD
View
A
Retailer 3
-
$649 AUD
View
Final sale: no returns
A
Retailer 4
-
$704 AUD
View
A
Retailer 5
-
$719 AUD
View
Retailer 6
-
$758 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$758 AUD
View
A
Retailer 8
-
$758 AUD
View
Retailer 9
-
$814 AUD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$814 AUD
View
Retailer 11
-
$831 AUD
View
Price last confirmed 24 days ago
A
Retailer 12
-
$860 AUD
View
B+
Retailer 13
-
$866 AUD
View
B+
Retailer 14
-
$895 AUD
View
B+
Retailer 15
-
$993 AUD
View
B+
Retailer 16
-
$1,004 AUD
View
B+
Retailer 17
-
$1,058 AUD
View
B+
Retailer 18
-
$1,092 AUD
View
Retailer 19
-
$1,153 AUD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
74A3430AE · Nov 4
$1,625 AUD
£879 GBP
View
19 more retailers have this diamond
Prices start from $512 AUDSave up to $1,112 AUD

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
0.50ct Oval
$512 AUD