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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 $249 NZD
As of November 6, 2026
Save $1,411 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,660 NZD 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 $249 to $1,660, a $1,411 spread on the same certified stone. NZ Jewellers lists it at $1,660. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,660 NZD|Low: $249 NZD|High: $1,681 NZD|Avg: $569 NZD|-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$249 NZD
Retailer 7$318 NZD
Retailer 3$366 NZD
Retailer 5$398 NZD
Retailer 4$400 NZD
Retailer 12$409 NZD
Retailer 6$470 NZD
Retailer 15$493 NZD
Retailer 9$543 NZD
Retailer 11$571 NZD
Retailer 13$598 NZD
Retailer 8$736 NZD
Retailer 10$747 NZD
Retailer 14$843 NZD
NZ Jewellers$1,660 NZD

21 data points across 15 retailers

16 retailers$249 NZD to $1,660 NZD

A
Cheapest Retailer
-
$249 NZD
A
Retailer 2
-
$318 NZD
View
A
Retailer 3
-
$366 NZD
View
Retailer 4
-
$398 NZD
View
Price last confirmed 10 days ago
Retailer 5
-
$400 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$409 NZD
View
Retailer 7
-
$470 NZD
View
Price last confirmed 11 days ago
Retailer 8
-
$479 NZD
View
Price last confirmed 12 days ago
A
Retailer 9
-
$493 NZD
View
B+
Retailer 10
-
$543 NZD
View
B+
Retailer 11
-
$571 NZD
View
B+
Retailer 12
-
$598 NZD
View
B+
Retailer 13
-
$736 NZD
View
B+
Retailer 14
-
$747 NZD
View
B
Retailer 15
-
$843 NZD
View
Most Expensive
B
NZ Jewellers
a929dcb3-0b0d-4ad4-bedb-fbfa94efbc24 · Nov 4
$1,660 NZD
$933 USD
View
15 more retailers have this diamond
Prices start from $249 NZDSave up to $1,411 NZD

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
$249 NZD