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Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 1545913286

Certificate GIA 1545913286

Diamond specifications and retailer prices

From $490 AUD
As of November 6, 2026
Save $2,068 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,559 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 1545913286. Listed at 18 retailers as of November 5, 2026, with prices from $490 to $2,559, a $2,068 spread on the same certified stone. NZ Jewellers lists it at $2,559. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545913286
Dimensions6.38 × 4.35 × 2.74 mm
L/W Ratio1.47
Girdle conditionFaceted
Top View
6.38 mm4.35 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545913286
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.9%

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: $490 AUD|Low: $490 AUD|High: $1,559 AUD|Avg: $865 AUD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$490 AUD
Retailer 2$614 AUD
Retailer 7$685 AUD
Retailer 4$703 AUD
Retailer 9$796 AUD
Retailer 3$815 AUD
Retailer 6$825 AUD
Retailer 10$949 AUD
Retailer 5$1,003 AUD
Retailer 8$1,541 AUD

29 data points across 10 retailers

18 retailers$490 AUD to $2,559 AUD

A
Cheapest Retailer
-
$490 AUD
A
Retailer 2
-
$576 AUD
View
A
Retailer 3
-
$614 AUD
View
Final sale: no returns
A
Retailer 4
-
$668 AUD
View
A
Retailer 5
-
$685 AUD
View
A
Retailer 6
-
$703 AUD
View
A
Retailer 7
-
$719 AUD
View
A
Retailer 8
-
$770 AUD
View
A
Retailer 9
-
$796 AUD
View
A
Retailer 10
-
$815 AUD
View
A
Retailer 11
-
$825 AUD
View
B+
Retailer 12
-
$918 AUD
View
B+
Retailer 13
-
$949 AUD
View
B+
Retailer 14
-
$953 AUD
View
B+
Retailer 15
-
$1,003 AUD
View
B
Retailer 16
-
$1,541 AUD
View
Retailer 17
-
$2,559 AUD
View
Price last confirmed 69 days ago
Most Expensive
B
NZ Jewellers
761ba98e-a81e-46b3-b0ed-0d96da0bb0e6 · Nov 5
$2,559 AUD
$1,758 USD
View
17 more retailers have this diamond
Prices start from $490 AUDSave up to $2,068 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
$490 AUD