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Oval|Natural|GIA

0.50ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 7531758621

Certificate GIA 7531758621

Diamond specifications and retailer prices

From $447 AUD
As of November 6, 2026
Save $1,551 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,998 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7531758621. Listed at 8 retailers as of November 5, 2026, with prices from $447 to $1,998, a $1,551 spread on the same certified stone. NZ Jewellers lists it at $1,998. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531758621
Dimensions6.28 × 4.49 × 2.75 mm
L/W Ratio1.40
Key to symbols
Feather
Top View
6.28 mm4.49 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7531758621
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 61.4%

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: $1,998 AUD|Low: $447 AUD|High: $1,998 AUD|Avg: $897 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$447 AUD
Retailer 4$550 AUD
Retailer 2$619 AUD
Retailer 5$669 AUD
Retailer 7$712 AUD
Retailer 3$955 AUD
Retailer 6$1,205 AUD
NZ Jewellers$1,998 AUD

45 data points across 8 retailers

8 retailers$447 AUD to $1,998 AUD

A
Cheapest Retailer
-
$447 AUD
B+
Retailer 2
-
$550 AUD
View
A
Retailer 3
-
$619 AUD
View
B+
Retailer 4
-
$669 AUD
View
B+
Retailer 5
-
$712 AUD
View
B
Retailer 6
-
$955 AUD
View
B
Retailer 7
-
$1,205 AUD
View
Most Expensive
C
NZ Jewellers
c081d40f-be8e-454d-8ab1-6e7dc932f9c6 · Nov 5
$1,998 AUD
$1,373 USD
View
7 more retailers have this diamond
Prices start from $447 AUDSave up to $1,551 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
$447 AUD