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Round|Natural|GIA

0.28ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7518762993

Certificate GIA 7518762993

Diamond specifications and retailer prices

From $179 AUD
As of November 6, 2026
Save $326 AUD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $504 AUD at B2C Jewels · As of November 6, 2026
View at B2C Jewels

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 7518762993. Listed at 6 retailers as of November 6, 2026, with prices from $179 to $504, a $326 spread on the same certified stone. B2C Jewels lists it at $504. 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
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7518762993
Dimensions4.22 × 4.19 × 2.61 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
4.22 mm4.19 mm0.28 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518762993
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.2%

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: $504 AUD|Low: $179 AUD|High: $524 AUD|Avg: $339 AUD|-3.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$179 AUD
Retailer 5$279 AUD
Retailer 7$287 AUD
Retailer 3$289 AUD
Retailer 6$311 AUD
Retailer 4$477 AUD
B2C Jewels$504 AUD

44 data points across 7 retailers

6 retailers$179 AUD to $504 AUD

A
Cheapest Retailer
-
$179 AUD
A
Retailer 2
-
$279 AUD
View
A
Retailer 3
-
$289 AUD
View
A
Retailer 4
-
$311 AUD
View
B
Retailer 5
-
$477 AUD
View
Most Expensive
B+
B2C Jewels
28176316 · Nov 6
$504 AUD
$353 USD
View
5 more retailers have this diamond
Prices start from $179 AUDSave up to $326 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
$179 AUD