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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 $154 CAD
As of November 4, 2026
Save $862 CAD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,015 CAD 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 $154 to $1,015, a $862 spread on the same certified stone. NZ Jewellers lists it at $1,015. 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
Color
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: $450 CAD|Low: $154 CAD|High: $522 CAD|Avg: $333 CAD|-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$154 CAD
Retailer 6$230 CAD
Retailer 9$250 CAD
Retailer 10$271 CAD
Retailer 2$302 CAD
Retailer 3$328 CAD
Retailer 5$348 CAD
Retailer 8$415 CAD
Retailer 1$450 CAD
Retailer 7$515 CAD

41 data points across 10 retailers

16 retailers$154 CAD to $1,015 CAD

A
Cheapest Retailer
-
$154 CAD
B+
Retailer 2
-
$223 CAD
View
B+
Retailer 3
-
$230 CAD
View
Retailer 4
-
$242 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$250 CAD
View
B+
Retailer 6
-
$271 CAD
View
B+
Retailer 7
-
$281 CAD
View
B+
Retailer 8
-
$302 CAD
View
B+
Retailer 9
-
$328 CAD
View
B+
Retailer 10
-
$348 CAD
View
B+
Retailer 11
-
$405 CAD
View
B+
Retailer 12
-
$415 CAD
View
B+
Retailer 13
-
$450 CAD
View
B
Retailer 14
-
$515 CAD
View
B
Retailer 15
-
$524 CAD
View
Most Expensive
C
NZ Jewellers
3c22a5fe-8b57-4ff8-b232-2a8df9a8565b · Nov 4
$1,015 CAD
$727 USD
View
15 more retailers have this diamond
Prices start from $154 CADSave up to $862 CAD

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
$154 CAD