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Round|Natural|GIA

0.33ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5553544406

Certificate GIA 5553544406

Diamond specifications and retailer prices

From $461 AUD
As of November 6, 2026
Save $254 AUD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,553 AUD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.33ct natural round diamond

This 0.33ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553544406. Listed at 7 retailers as of November 4, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.33
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553544406
Dimensions4.45 × 4.48 × 2.76 mm
L/W Ratio1.01
Top View
4.45 mm4.48 mm0.33 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553544406
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 61.8%

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: $461 AUD|Low: $439 AUD|High: $800 AUD|Avg: $599 AUD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$461 AUD
Retailer 5$496 AUD
Retailer 4$609 AUD
Retailer 2$623 AUD
Retailer 3$716 AUD

38 data points across 5 retailers

7 retailers$461 AUD to $716 AUD

A
Cheapest Retailer
-
$461 AUD
B+
Retailer 2
-
$496 AUD
View
B
Retailer 3
-
$609 AUD
View
B
Retailer 4
-
$623 AUD
View
B
Retailer 5
-
$716 AUD
View
Retailer 6
-
$1,491 AUD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
0906d54b-8cc6-4cfe-b2d2-c46134e9e24e · Sep 24
$1,553 AUD
$1,087 USD
View
Price last confirmed 43 days ago
6 more retailers have this diamond
Prices start from $461 AUDSave up to $254 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
0.33ct Round
$461 AUD