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Oval|Natural|GIA

0.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 5566645889

Certificate GIA 5566645889

Diamond specifications and retailer prices

From $461 AUD
As of November 6, 2026
Save $1,928 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,390 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566645889. Listed at 14 retailers as of November 5, 2026, with prices from $461 to $2,390, a $1,928 spread on the same certified stone. NZ Jewellers lists it at $2,390. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566645889
Dimensions6.21 × 4.43 × 2.67 mm
L/W Ratio1.40
Top View
6.21 mm4.43 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566645889
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.2%

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: $2,390 AUD|Low: $461 AUD|High: $2,390 AUD|Avg: $889 AUD
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
November 6, 2026
Retailer 2$461 AUD
Retailer 6$540 AUD
Retailer 5$623 AUD
Retailer 13$671 AUD
Retailer 14$719 AUD
Retailer 8$760 AUD
Retailer 7$766 AUD
Retailer 4$814 AUD
Retailer 11$862 AUD
Retailer 12$931 AUD
Retailer 9$966 AUD
Retailer 3$1,023 AUD
Retailer 10$1,438 AUD
NZ Jewellers$2,390 AUD

8 data points across 14 retailers

14 retailers$461 AUD to $2,390 AUD

A
Cheapest Retailer
-
$461 AUD
A
Retailer 2
-
$540 AUD
View
A
Retailer 3
-
$623 AUD
View
A
Retailer 4
-
$671 AUD
View
B+
Retailer 5
-
$719 AUD
View
B+
Retailer 6
-
$760 AUD
View
B+
Retailer 7
-
$766 AUD
View
B+
Retailer 8
-
$814 AUD
View
B+
Retailer 9
-
$862 AUD
View
B
Retailer 10
-
$931 AUD
View
B
Retailer 11
-
$966 AUD
View
B+
Retailer 12
-
$1,023 AUD
View
B
Retailer 13
-
$1,438 AUD
View
Most Expensive
B
NZ Jewellers
1791f37d-70e9-4de6-8a8c-82e44e152fdc · Nov 5
$2,390 AUD
$1,642 USD
View
13 more retailers have this diamond
Prices start from $461 AUDSave up to $1,928 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
$461 AUD