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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6341132636

Certificate GIA 6341132636

Diamond specifications and retailer prices

From $256 AUD
As of November 6, 2026
Save $1,044 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,300 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 top-tier cut grade and certified by GIA 6341132636. Listed at 14 retailers as of November 4, 2026, with prices from $256 to $1,300, a $1,044 spread on the same certified stone. NZ Jewellers lists it at $1,300. 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
SymmetryVery Good
FluorescenceStrong
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6341132636
Dimensions4.27 × 4.23 × 2.69 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
4.27 mm4.23 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6341132636
Side View
Table 57.0%Crown 35°Girdle: ThickPavilion 41.4°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $307 AUD|Low: $286 AUD|High: $670 AUD|Avg: $434 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$289 AUD
Retailer 4$293 AUD
Retailer 1$307 AUD
Retailer 7$370 AUD
Retailer 2$423 AUD
Retailer 3$500 AUD
Retailer 5$661 AUD

43 data points across 7 retailers

14 retailers$256 AUD to $1,300 AUD

A
Cheapest Retailer
-
$256 AUD
B+
Retailer 2
-
$287 AUD
View
A
Retailer 3
-
$293 AUD
View
B+
Retailer 4
-
$307 AUD
View
Retailer 5
-
$309 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$320 AUD
View
B+
Retailer 7
-
$331 AUD
View
B+
Retailer 8
-
$359 AUD
View
B+
Retailer 9
-
$370 AUD
View
B+
Retailer 10
-
$386 AUD
View
B+
Retailer 11
-
$423 AUD
View
B+
Retailer 12
-
$500 AUD
View
B
Retailer 13
-
$661 AUD
View
Most Expensive
C
NZ Jewellers
05894803-f284-4b50-9929-0fc46f935b06 · Nov 4
$1,300 AUD
$910 USD
View
13 more retailers have this diamond
Prices start from $256 AUDSave up to $1,044 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
$256 AUD