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Round|Natural|GIA

0.30ct L SI1 Round Natural Diamond

GD • L/SI1 • GIA 5306023230

Certificate GIA 5306023230

Diamond specifications and retailer prices

From $237 AUD
As of November 6, 2026
Save $1,010 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,247 AUD 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 5306023230. Listed at 12 retailers as of November 4, 2026, with prices from $237 to $1,247, a $1,010 spread on the same certified stone. NZ Jewellers lists it at $1,247. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.30
Carat
L
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5306023230
Dimensions4.22 × 4.19 × 2.63 mm
L/W Ratio1.01
Top View
4.22 mm4.19 mm0.30 ctL / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5306023230
Side View
Table 59.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,247 AUD|Low: $237 AUD|High: $1,309 AUD|Avg: $465 AUD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13$237 AUD
Retailer 5$276 AUD
Retailer 11$276 AUD
Retailer 14$307 AUD
Retailer 3$311 AUD
Retailer 6$321 AUD
Retailer 10$370 AUD
Retailer 8$403 AUD
Retailer 12$449 AUD
Retailer 7$460 AUD
Retailer 4$549 AUD
Retailer 2$553 AUD
Retailer 9$566 AUD
NZ Jewellers$1,247 AUD

30 data points across 14 retailers

12 retailers$237 AUD to $1,247 AUD

B+
Cheapest Retailer
-
$237 AUD
B+
Retailer 2
-
$276 AUD
View
B+
Retailer 3
-
$307 AUD
View
Retailer 4
-
$311 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$370 AUD
View
B
Retailer 6
-
$403 AUD
View
B
Retailer 7
-
$449 AUD
View
B
Retailer 8
-
$460 AUD
View
B
Retailer 9
-
$549 AUD
View
B
Retailer 10
-
$553 AUD
View
B
Retailer 11
-
$566 AUD
View
Most Expensive
C
NZ Jewellers
2aa3b151-6411-4044-b844-be52741c22c0 · Nov 4
$1,247 AUD
$873 USD
View
11 more retailers have this diamond
Prices start from $237 AUDSave up to $1,010 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.

B+
0.30ct Round
$237 AUD