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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1398298291

Certificate GIA 1398298291

Diamond specifications and retailer prices

From $318 NZD
As of November 6, 2026
Save $1,336 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,654 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1398298291. Listed at 14 retailers as of November 4, 2026, with prices from $318 to $1,654, a $1,336 spread on the same certified stone. NZ Jewellers lists it at $1,654. 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°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1398298291
Dimensions4.30 × 4.32 × 2.62 mm
L/W Ratio1.00
Top View
4.30 mm4.32 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1398298291
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 60.8%

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: $390 NZD|Low: $318 NZD|High: $854 NZD|Avg: $568 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$318 NZD
Retailer 1$390 NZD
Retailer 5$416 NZD
Retailer 6$473 NZD
Retailer 2$541 NZD
Retailer 9$596 NZD
Retailer 3$639 NZD
Retailer 8$731 NZD
Retailer 4$841 NZD

39 data points across 9 retailers

14 retailers$318 NZD to $1,654 NZD

A
Cheapest Retailer
-
$318 NZD
A
Retailer 2
-
$365 NZD
View
A
Retailer 3
-
$390 NZD
View
Retailer 4
-
$393 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$407 NZD
View
A
Retailer 6
-
$416 NZD
View
A
Retailer 7
-
$459 NZD
View
A
Retailer 8
-
$473 NZD
View
B+
Retailer 9
-
$491 NZD
View
B+
Retailer 10
-
$541 NZD
View
B+
Retailer 11
-
$596 NZD
View
B+
Retailer 12
-
$639 NZD
View
B
Retailer 13
-
$841 NZD
View
Most Expensive
B
NZ Jewellers
689cdb75-6d74-4cfe-9070-0fa519f2ed66 · Nov 4
$1,654 NZD
$930 USD
View
13 more retailers have this diamond
Prices start from $318 NZDSave up to $1,336 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
$318 NZD