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Round|Natural|GIA

0.30ct H I1 Round Natural Diamond

EX • H/I1 • GIA 2506926873

Certificate GIA 2506926873

Diamond specifications and retailer prices

From $341 NZD
HK$1,500 HKD
As of October 30, 2026
Save $1,388 NZD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,728 NZD at NZ Jewellers · As of October 29, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2506926873. Listed at 8 retailers as of October 29, 2026, with prices from $341 to $1,728, a $1,388 spread on the same certified stone. NZ Jewellers lists it at $1,728. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2506926873
Dimensions4.26 × 4.29 × 2.66 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.26 mm4.29 mm0.30 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506926873
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 30
Current: $665 NZD|Low: $341 NZD|High: $743 NZD|Avg: $533 NZD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 4$341 NZD
Retailer 2$389 NZD
Retailer 3$498 NZD
Retailer 6$576 NZD
Retailer 1$665 NZD
Retailer 5$743 NZD

17 data points across 6 retailers

8 retailers$341 NZD to $1,728 NZD

A
Cheapest Retailer
-
$341 NZD
HK$1,500 HKD
A
Retailer 2
-
$381 NZD
$215 USD
View
B+
Retailer 3
-
$412 NZD
$232 USD
View
B+
Retailer 4
-
$426 NZD
$240 USD
View
B+
Retailer 5
-
$498 NZD
$281 USD
View
B+
Retailer 6
-
$515 NZD
$290 USD
View
B
Retailer 7
-
$665 NZD
€357 EUR
View
Most Expensive
B
NZ Jewellers
b2b35425-cce5-415a-9143-3000b604aa63 · Oct 29
$1,728 NZD
$974 USD
View
7 more retailers have this diamond
Prices start from $341 NZDSave up to $1,388 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
$341 NZD