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Round|Natural|GIA

0.30ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512764128

Certificate GIA 6512764128

Diamond specifications and retailer prices

From $360 AUD
$253 USD
As of October 31, 2026
Save $1,358 AUD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,718 AUD 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512764128. Listed at 10 retailers as of October 29, 2026, with prices from $360 to $1,718, a $1,358 spread on the same certified stone. NZ Jewellers lists it at $1,718. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6512764128
Dimensions4.28 × 4.29 × 2.61 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.28 mm4.29 mm0.30 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512764128
Side View
Table 60.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 31
Current: $840 AUD|Low: $360 AUD|High: $843 AUD|Avg: $562 AUD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$360 AUD
Retailer 7$406 AUD
Retailer 2$479 AUD
Retailer 6$547 AUD
Retailer 4$641 AUD
Retailer 5$677 AUD
Retailer 1$840 AUD

18 data points across 7 retailers

10 retailers$360 AUD to $1,718 AUD

A
Cheapest Retailer
-
$360 AUD
$253 USD
B+
Retailer 2
-
$406 AUD
$285 USD
View
B+
Retailer 3
-
$437 AUD
$307 USD
View
B+
Retailer 4
-
$453 AUD
$318 USD
View
B+
Retailer 5
-
$527 AUD
$370 USD
View
B+
Retailer 6
-
$527 AUD
$370 USD
View
B
Retailer 7
-
$547 AUD
$384 USD
View
B
Retailer 8
-
$555 AUD
$390 USD
View
B
Retailer 9
-
$840 AUD
€562 EUR
View
Most Expensive
B
NZ Jewellers
00b63c5d-5c9d-4f38-8492-8bd11e006839 · Oct 29
$1,718 AUD
$1,207 USD
View
9 more retailers have this diamond
Prices start from $360 AUDSave up to $1,358 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
$360 AUD