Round|Natural|GIA

0.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6551530155

Certificate GIA 6551530155

Diamond specifications and retailer prices

From $625 NZD
A$541 AUD
As of October 27, 2026
17 retailers carry this diamond
Most expensive: $2,156 NZD at NZ Jewellers · As of October 17, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551530155. Listed at 17 retailers as of October 27, 2026. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551530155
Dimensions4.32 × 4.34 × 2.61 mm
L/W Ratio1.00
Top View
4.32 mm4.34 mm0.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551530155
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.4°Culet: NDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $625 NZD|Low: $395 NZD|High: $1,384 NZD|Avg: $821 NZD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 27, 2026
Retailer 11$395 NZD
Retailer 10$469 NZD
Retailer 9$478 NZD
Retailer 2$598 NZD
Retailer 1$625 NZD
Retailer 13$795 NZD
Retailer 3$891 NZD
Retailer 8$924 NZD
Retailer 6$927 NZD
Retailer 5$943 NZD
Retailer 7$955 NZD
Retailer 12$1,144 NZD
Retailer 4$1,372 NZD

27 data points across 13 retailers

17 retailers

Retailer 1
-
$395 NZD
₹21,156 INR
Price last confirmed 14 days ago
Retailer 2
-
$469 NZD
$264 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$478 NZD
HK$2,100 HKD
View
Price last confirmed 10 days ago
Retailer 4
-
$563 NZD
$317 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$598 NZD
SGD 455 SGD
View
Price last confirmed 14 days ago
Retailer 6
-
$620 NZD
$349 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$625 NZD
A$541 AUD
View
Retailer 8
-
$642 NZD
$361 USD
View
Price last confirmed 18 days ago
Retailer 9
-
$757 NZD
$426 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$795 NZD
$447 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$891 NZD
ZAR 8,101 ZAR
View
Price last confirmed 17 days ago
Retailer 12
-
$924 NZD
$520 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$927 NZD
€497 EUR
View
Price last confirmed 7 days ago
Retailer 14
-
$943 NZD
A$817 AUD
View
Price last confirmed 28 days ago
Retailer 15
-
$955 NZD
£423 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
$1,372 NZD
£608 GBP
View
Price last confirmed 25 days ago
Most Expensive
NZ Jewellers
f4419253-63f0-4fa8-9574-d833836e1536 · Oct 17
$2,156 NZD
$1,213 USD
View
Price under review
16 more retailers have this diamond
Prices start from $625 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
$625 NZD