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Round|Natural|GIA

0.28ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2447743043

Certificate GIA 2447743043

Diamond specifications and retailer prices

From $210 AUD
As of November 4, 2026
Save $1,126 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,336 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 2447743043. Listed at 10 retailers as of November 4, 2026, with prices from $210 to $1,336, a $1,126 spread on the same certified stone. NZ Jewellers lists it at $1,336. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2447743043
Dimensions4.17 × 4.15 × 2.61 mm
L/W Ratio1.00
Top View
4.17 mm4.15 mm0.28 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447743043
Side View
Table 56.0%Crown 36°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.6%

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: $1,336 AUD|Low: $209 AUD|High: $1,336 AUD|Avg: $434 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$210 AUD
Retailer 8$294 AUD
Retailer 4$300 AUD
Retailer 11$301 AUD
Retailer 7$317 AUD
Retailer 5$329 AUD
Retailer 10$340 AUD
Retailer 9$397 AUD
Retailer 3$590 AUD
Retailer 2$601 AUD
NZ Jewellers$1,336 AUD

22 data points across 11 retailers

10 retailers$210 AUD to $1,336 AUD

A
Cheapest Retailer
-
$210 AUD
A
Retailer 2
-
$294 AUD
View
A
Retailer 3
-
$300 AUD
View
Retailer 4
-
$317 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$329 AUD
View
B+
Retailer 6
-
$340 AUD
View
B+
Retailer 7
-
$397 AUD
View
B
Retailer 8
-
$601 AUD
View
B
Retailer 9
-
$757 AUD
View
Most Expensive
B
NZ Jewellers
0a6a1fb1-9f2c-4358-b517-0c2bf6dc735e · Nov 4
$1,336 AUD
$935 USD
View
9 more retailers have this diamond
Prices start from $210 AUDSave up to $1,126 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
$210 AUD