Round|Natural|GIA

0.30ct L SI1 Round Natural Diamond

GD • L/SI1 • GIA 5306023230

Certificate GIA 5306023230

Diamond specifications and retailer prices

From $166 USD
As of November 6, 2026
Save $707 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $873 USD 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 $166 to $873, a $707 spread on the same certified stone. NZ Jewellers lists it at $873. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $873 USD|Low: $166 USD|High: $916 USD|Avg: $326 USD|-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$166 USD
Retailer 5$193 USD
Retailer 11$193 USD
Retailer 14$215 USD
Retailer 3$218 USD
Retailer 6$225 USD
Retailer 10$259 USD
Retailer 8$282 USD
Retailer 12$314 USD
Retailer 7$322 USD
Retailer 4$384 USD
Retailer 2$387 USD
Retailer 9$396 USD
NZ Jewellers$873 USD

30 data points across 14 retailers

12 retailers$166 USD to $873 USD

B+
Cheapest Retailer
-
$166 USD
B+
Retailer 2
-
$193 USD
View
B+
Retailer 3
-
$215 USD
View
Retailer 4
-
$218 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$259 USD
View
B
Retailer 6
-
$282 USD
View
B
Retailer 7
-
$314 USD
View
B
Retailer 8
-
$322 USD
View
B
Retailer 9
-
$384 USD
View
B
Retailer 10
-
$387 USD
View
B
Retailer 11
-
$396 USD
View
Most Expensive
C
NZ Jewellers
2aa3b151-6411-4044-b844-be52741c22c0 · Nov 4
$873 USD
View
11 more retailers have this diamond
Prices start from $166 USDSave up to $707 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.

B+
0.30ct Round
$166 USD