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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

GD • K/SI2 • GIA 6392057886

Certificate GIA 6392057886

Diamond specifications and retailer prices

From $183 AUD
As of November 4, 2026
Save $984 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,167 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

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 standard cut grade and certified by GIA 6392057886. Listed at 15 retailers as of November 4, 2026, with prices from $183 to $1,167, a $984 spread on the same certified stone. NZ Jewellers lists it at $1,167. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.30
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle32.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6392057886
Dimensions4.32 × 4.30 × 2.55 mm
L/W Ratio1.00
Top View
4.32 mm4.30 mm0.30 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392057886
Side View
Table 62.0%Crown 32.5°Girdle: MED-VTKPavilion 40°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $279 AUD|Low: $180 AUD|High: $601 AUD|Avg: $401 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$183 AUD
Retailer 1$279 AUD
Retailer 2$297 AUD
Retailer 7$326 AUD
Retailer 4$373 AUD
Retailer 10$389 AUD
Retailer 9$443 AUD
Retailer 3$463 AUD
Retailer 8$556 AUD
Retailer 5$593 AUD

40 data points across 10 retailers

15 retailers$183 AUD to $1,167 AUD

B+
Cheapest Retailer
-
$183 AUD
B+
Retailer 2
-
$219 AUD
View
B+
Retailer 3
-
$257 AUD
View
Retailer 4
-
$277 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$279 AUD
View
B+
Retailer 6
-
$287 AUD
View
B+
Retailer 7
-
$297 AUD
View
B+
Retailer 8
-
$316 AUD
View
B+
Retailer 9
-
$326 AUD
View
B+
Retailer 10
-
$347 AUD
View
B+
Retailer 11
-
$373 AUD
View
B+
Retailer 12
-
$443 AUD
View
B+
Retailer 13
-
$463 AUD
View
B
Retailer 14
-
$593 AUD
View
Most Expensive
C
NZ Jewellers
b192d2b8-e5aa-49c5-911a-d562278d4dec · Nov 4
$1,167 AUD
$817 USD
View
14 more retailers have this diamond
Prices start from $183 AUDSave up to $984 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.

B+
0.30ct Round
$183 AUD