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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7556428606

Certificate GIA 7556428606

Diamond specifications and retailer prices

From $200 AUD
As of November 6, 2026
Save $479 AUD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $679 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.3ct natural round diamond

This 0.3ct 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 7556428606. Listed at 9 retailers as of November 4, 2026, with prices from $200 to $679, a $479 spread on the same certified stone. MOH London lists it at $679. 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

0.30
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7556428606
Dimensions4.28 × 4.26 × 2.67 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.28 mm4.26 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556428606
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: $679 AUD|Low: $200 AUD|High: $766 AUD|Avg: $439 AUD|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$200 AUD
Retailer 9$256 AUD
Retailer 7$334 AUD
Retailer 5$386 AUD
Retailer 8$400 AUD
Retailer 3$427 AUD
Retailer 4$517 AUD
Retailer 6$553 AUD
MOH London$679 AUD

42 data points across 9 retailers

9 retailers$200 AUD to $679 AUD

A
Cheapest Retailer
-
$200 AUD
A
Retailer 2
-
$256 AUD
View
A
Retailer 3
-
$334 AUD
View
Retailer 4
-
$350 AUD
View
Price last confirmed 43 days ago
A
Retailer 5
-
$386 AUD
View
B+
Retailer 6
-
$427 AUD
View
B+
Retailer 7
-
$517 AUD
View
B
Retailer 8
-
$553 AUD
View
Most Expensive
B
MOH London
4FF2D2351 · Nov 4
$679 AUD
£374 GBP
View
8 more retailers have this diamond
Prices start from $200 AUDSave up to $479 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
0.30ct Round
$200 AUD