Round|Natural|GIA

0.30ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6512764128

Certificate GIA 6512764128

Diamond specifications and retailer prices

From $253 USD
As of October 31, 2026
Save $954 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,207 USD 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 $253 to $1,207, a $954 spread on the same certified stone. NZ Jewellers lists it at $1,207. 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
Color
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: $592 USD|Low: $253 USD|High: $592 USD|Avg: $395 USD|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$253 USD
Retailer 7$285 USD
Retailer 2$337 USD
Retailer 6$384 USD
Retailer 4$450 USD
Retailer 5$475 USD
Retailer 1$592 USD

18 data points across 7 retailers

10 retailers$253 USD to $1,207 USD

A
Cheapest Retailer
-
$253 USD
B+
Retailer 2
-
$285 USD
View
B+
Retailer 3
-
$307 USD
View
B+
Retailer 4
-
$318 USD
View
B+
Retailer 5
-
$370 USD
View
B+
Retailer 6
-
$370 USD
View
B
Retailer 7
-
$384 USD
View
B
Retailer 8
-
$390 USD
View
B
Retailer 9
-
$592 USD
€564 EUR
View
Most Expensive
B
NZ Jewellers
00b63c5d-5c9d-4f38-8492-8bd11e006839 · Oct 29
$1,207 USD
View
9 more retailers have this diamond
Prices start from $253 USDSave up to $954 USD

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
$253 USD