Round|Natural|GIA

0.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541265604

Certificate GIA 6541265604

Diamond specifications and retailer prices

From $140 USD
As of November 6, 2026
Save $793 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $933 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541265604. Listed at 16 retailers as of November 4, 2026, with prices from $140 to $933, a $793 spread on the same certified stone. NZ Jewellers lists it at $933. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6541265604
Dimensions4.31 × 4.28 × 2.66 mm
L/W Ratio1.01
Top View
4.31 mm4.28 mm0.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541265604
Side View
Table 58.0%Crown 36°Girdle: Sli. ThickPavilion 41°Culet: NDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $933 USD|Low: $140 USD|High: $945 USD|Avg: $320 USD|-1.3%
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
Retailer 15
November 6, 2026
Retailer 2$140 USD
Retailer 7$179 USD
Retailer 3$206 USD
Retailer 5$224 USD
Retailer 4$225 USD
Retailer 12$230 USD
Retailer 6$264 USD
Retailer 15$277 USD
Retailer 9$305 USD
Retailer 11$321 USD
Retailer 13$336 USD
Retailer 8$414 USD
Retailer 10$420 USD
Retailer 14$474 USD
NZ Jewellers$933 USD

21 data points across 15 retailers

16 retailers$140 USD to $933 USD

A
Cheapest Retailer
-
$140 USD
A
Retailer 2
-
$179 USD
View
A
Retailer 3
-
$206 USD
View
Retailer 4
-
$224 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$225 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$230 USD
View
Retailer 7
-
$264 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$269 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
$277 USD
View
B+
Retailer 10
-
$305 USD
View
B+
Retailer 11
-
$321 USD
View
B+
Retailer 12
-
$336 USD
View
B+
Retailer 13
-
$414 USD
View
B+
Retailer 14
-
$420 USD
View
B
Retailer 15
-
$474 USD
View
Most Expensive
B
NZ Jewellers
a929dcb3-0b0d-4ad4-bedb-fbfa94efbc24 · Nov 4
$933 USD
View
15 more retailers have this diamond
Prices start from $140 USDSave up to $793 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
$140 USD