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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1398298291

Certificate GIA 1398298291

Diamond specifications and retailer prices

From €159 EUR
As of November 6, 2026
Save €669 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €829 EUR 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1398298291. Listed at 14 retailers as of November 4, 2026, with prices from €159 to €829, a €669 spread on the same certified stone. NZ Jewellers lists it at €829. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1398298291
Dimensions4.30 × 4.32 × 2.62 mm
L/W Ratio1.00
Top View
4.30 mm4.32 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1398298291
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 60.8%

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: €195 EUR|Low: €159 EUR|High: €428 EUR|Avg: €285 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7€159 EUR
Retailer 1€195 EUR
Retailer 5€208 EUR
Retailer 6€237 EUR
Retailer 2€271 EUR
Retailer 9€298 EUR
Retailer 3€320 EUR
Retailer 8€366 EUR
Retailer 4€421 EUR

39 data points across 9 retailers

14 retailers€159 EUR to €829 EUR

A
Cheapest Retailer
-
€159 EUR
A
Retailer 2
-
€183 EUR
View
A
Retailer 3
-
€195 EUR
View
Retailer 4
-
€197 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€204 EUR
View
A
Retailer 6
-
€208 EUR
View
A
Retailer 7
-
€230 EUR
View
A
Retailer 8
-
€237 EUR
View
B+
Retailer 9
-
€246 EUR
View
B+
Retailer 10
-
€271 EUR
View
B+
Retailer 11
-
€298 EUR
View
B+
Retailer 12
-
€320 EUR
View
B
Retailer 13
-
€421 EUR
View
Most Expensive
B
NZ Jewellers
689cdb75-6d74-4cfe-9070-0fa519f2ed66 · Nov 4
€829 EUR
$930 USD
View
13 more retailers have this diamond
Prices start from €159 EURSave up to €669 EUR

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
€159 EUR