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Round|Natural|GIA

0.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541265604

Certificate GIA 6541265604

Diamond specifications and retailer prices

From $200 AUD
As of November 6, 2026
Save $1,133 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,333 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541265604. Listed at 16 retailers as of November 4, 2026, with prices from $200 to $1,333, a $1,133 spread on the same certified stone. NZ Jewellers lists it at $1,333. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6541265604
Dimensions4.31 × 4.28 × 2.66 mm
L/W Ratio1.01
Top View
4.31 mm4.28 mm0.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541265604
Side View
Table 58.0%Crown 36°Girdle: Sli. ThickPavilion 41°Culet: NDepth 62.0%

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: $1,333 AUD|Low: $200 AUD|High: $1,350 AUD|Avg: $457 AUD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2$200 AUD
Retailer 7$256 AUD
Retailer 3$294 AUD
Retailer 5$320 AUD
Retailer 4$321 AUD
Retailer 12$329 AUD
Retailer 6$377 AUD
Retailer 15$396 AUD
Retailer 9$436 AUD
Retailer 11$459 AUD
Retailer 13$480 AUD
Retailer 8$591 AUD
Retailer 10$600 AUD
Retailer 14$677 AUD
NZ Jewellers$1,333 AUD

21 data points across 15 retailers

16 retailers$200 AUD to $1,333 AUD

A
Cheapest Retailer
-
$200 AUD
A
Retailer 2
-
$256 AUD
View
A
Retailer 3
-
$294 AUD
View
Retailer 4
-
$320 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
$321 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$329 AUD
View
Retailer 7
-
$377 AUD
View
Price last confirmed 11 days ago
Retailer 8
-
$384 AUD
View
Price last confirmed 12 days ago
A
Retailer 9
-
$396 AUD
View
B+
Retailer 10
-
$436 AUD
View
B+
Retailer 11
-
$459 AUD
View
B+
Retailer 12
-
$480 AUD
View
B+
Retailer 13
-
$591 AUD
View
B+
Retailer 14
-
$600 AUD
View
B
Retailer 15
-
$677 AUD
View
Most Expensive
B
NZ Jewellers
a929dcb3-0b0d-4ad4-bedb-fbfa94efbc24 · Nov 4
$1,333 AUD
$933 USD
View
15 more retailers have this diamond
Prices start from $200 AUDSave up to $1,133 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