Round|Natural|IGI

0.30ct K SI1 Round Natural Diamond

VG • K/SI1 • IGI 815638728

Shape and cutting style on the report: Round brilliant

Certificate IGI 815638728

Diamond specifications and retailer prices

From €98 EUR
As of November 4, 2026
Save €550 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €648 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815638728. Listed at 16 retailers as of November 4, 2026, with prices from €98 to €648, a €550 spread on the same certified stone. NZ Jewellers lists it at €648. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.7°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 815638728
Dimensions4.25 × 4.28 × 2.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.25 mm4.28 mm0.30 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815638728
Side View
Table 56.0%Crown 33.7°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
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 4
Current: €287 EUR|Low: €98 EUR|High: €333 EUR|Avg: €212 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4€98 EUR
Retailer 6€147 EUR
Retailer 9€159 EUR
Retailer 10€173 EUR
Retailer 2€192 EUR
Retailer 3€209 EUR
Retailer 5€222 EUR
Retailer 8€265 EUR
Retailer 1€287 EUR
Retailer 7€329 EUR

41 data points across 10 retailers

16 retailers€98 EUR to €648 EUR

A
Cheapest Retailer
-
€98 EUR
B+
Retailer 2
-
€143 EUR
View
B+
Retailer 3
-
€147 EUR
View
Retailer 4
-
€154 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€159 EUR
View
B+
Retailer 6
-
€173 EUR
View
B+
Retailer 7
-
€179 EUR
View
B+
Retailer 8
-
€192 EUR
View
B+
Retailer 9
-
€209 EUR
View
B+
Retailer 10
-
€222 EUR
View
B+
Retailer 11
-
€258 EUR
View
B+
Retailer 12
-
€265 EUR
View
B+
Retailer 13
-
€287 EUR
View
B
Retailer 14
-
€329 EUR
View
B
Retailer 15
-
€334 EUR
View
Most Expensive
C
NZ Jewellers
3c22a5fe-8b57-4ff8-b232-2a8df9a8565b · Nov 4
€648 EUR
$727 USD
View
15 more retailers have this diamond
Prices start from €98 EURSave up to €550 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
€98 EUR