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Round|Natural|GIA

0.28ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1333459802

Certificate GIA 1333459802

Diamond specifications and retailer prices

From $199 AUD
As of November 4, 2026
Save $1,054 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,253 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.28ct natural round diamond

This 0.28ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1333459802. Listed at 10 retailers as of November 4, 2026, with prices from $199 to $1,253, a $1,054 spread on the same certified stone. NZ Jewellers lists it at $1,253. 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

0.28
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1333459802
Dimensions4.28 × 4.25 × 2.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.28 mm4.25 mm0.28 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1333459802
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 60.1%

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 4
Current: $1,253 AUD|Low: $196 AUD|High: $1,253 AUD|Avg: $413 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$199 AUD
Retailer 8$277 AUD
Retailer 4$279 AUD
Retailer 11$280 AUD
Retailer 7$297 AUD
Retailer 5$309 AUD
Retailer 10$319 AUD
Retailer 9$373 AUD
Retailer 2$573 AUD
Retailer 3$574 AUD
NZ Jewellers$1,253 AUD

20 data points across 11 retailers

10 retailers$199 AUD to $1,253 AUD

A
Cheapest Retailer
-
$199 AUD
A
Retailer 2
-
$277 AUD
View
A
Retailer 3
-
$279 AUD
View
Retailer 4
-
$297 AUD
View
Price last confirmed 8 days ago
Retailer 5
-
$300 AUD
View
Price last confirmed 43 days ago
A
Retailer 6
-
$309 AUD
View
A
Retailer 7
-
$319 AUD
View
B+
Retailer 8
-
$373 AUD
View
B
Retailer 9
-
$573 AUD
View
Most Expensive
B
NZ Jewellers
5b400fe9-67f0-4494-a134-b1020e23b612 · Nov 4
$1,253 AUD
$877 USD
View
9 more retailers have this diamond
Prices start from $199 AUDSave up to $1,054 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
0.28ct Round
$199 AUD