Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

GD • I/SI1 • GIA 6551867924

Certificate GIA 6551867924

Diamond specifications and retailer prices

From $658 AUD
$462 USD
As of November 2, 2026
Save $1,525 AUD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,964 AUD at NZ Jewellers · As of October 30, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6551867924. Listed at 18 retailers as of November 1, 2026, with a 232% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551867924
Dimensions6.43 × 4.33 × 2.79 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.43 mm4.33 mm0.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 6551867924
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,160 AUD|Low: $658 AUD|High: $2,712 AUD|Avg: $1,277 AUD|-1.3%
Retailer 1
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
Retailer 16
November 2, 2026
Retailer 16$658 AUD
Retailer 12$856 AUD
Retailer 2$868 AUD
Retailer 5$884 AUD
Retailer 3$922 AUD
Retailer 8$1,046 AUD
Retailer 7$1,086 AUD
Retailer 14$1,125 AUD
Retailer 4$1,130 AUD
Retailer 1$1,160 AUD
Retailer 10$1,165 AUD
Retailer 9$1,266 AUD
Retailer 15$1,315 AUD
Retailer 13$1,459 AUD
Retailer 11$2,182 AUD
Retailer 6$2,712 AUD

26 data points across 16 retailers

18 retailers$658 AUD to $2,182 AUD

B+
Cheapest Retailer
-
$658 AUD
$462 USD
Final sale: no returns
B+
Retailer 2
-
$856 AUD
$601 USD
View
B+
Retailer 3
-
$868 AUD
$610 USD
View
B+
Retailer 4
-
$884 AUD
$621 USD
View
B
Retailer 5
-
$922 AUD
$648 USD
View
B
Retailer 6
-
$988 AUD
$694 USD
View
B
Retailer 7
-
$1,046 AUD
$735 USD
View
B
Retailer 8
-
$1,086 AUD
$763 USD
View
B
Retailer 9
-
$1,125 AUD
$790 USD
View
B
Retailer 10
-
$1,130 AUD
$794 USD
View
B
Retailer 11
-
$1,160 AUD
£642 GBP
View
B
Retailer 12
-
$1,165 AUD
£645 GBP
View
B
Retailer 13
-
$1,266 AUD
€847 EUR
View
B
Retailer 14
-
$1,315 AUD
$924 USD
View
C
Retailer 15
-
$1,459 AUD
ZAR 16,555 ZAR
View
C
Retailer 16
-
$2,182 AUD
£1,207 GBP
View
Retailer 17
-
$2,712 AUD
CA$2,646 CAD
View
Price under review
Most Expensive
NZ Jewellers
1c004742-4301-41a0-ad57-ee22836fc6ad · Oct 30
$2,964 AUD
$2,082 USD
View
Price under review
17 more retailers have this diamond
Prices start from $658 AUDSave up to $1,525 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.

B+
0.50ct Oval
$658 AUD