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0.28ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 818693059

Shape and cutting style on the report: Round brilliant

Certificate IGI 818693059

Diamond specifications and retailer prices

From $109 CAD
As of November 6, 2026
Save $334 CAD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $443 CAD at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 0.28ct natural round diamond

This 0.28ct 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 IGI 818693059. Listed at 5 retailers as of November 6, 2026, with prices from $109 to $443, a $334 spread on the same certified stone. B2C Jewels lists it at $443. 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

0.28
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 818693059
Dimensions4.17 × 4.19 × 2.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.17 mm4.19 mm0.28 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 818693059
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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 6
Current: $443 CAD|Low: $109 CAD|High: $443 CAD|Avg: $293 CAD
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$109 CAD
Retailer 4$204 CAD
Retailer 3$337 CAD
Retailer 5$377 CAD
B2C Jewels$443 CAD

37 data points across 5 retailers

5 retailers$109 CAD to $443 CAD

A
Cheapest Retailer
-
$109 CAD
B+
Retailer 2
-
$204 CAD
View
B+
Retailer 3
-
$337 CAD
View
B+
Retailer 4
-
$377 CAD
View
Most Expensive
B
B2C Jewels
36862196 · Nov 6
$443 CAD
$317 USD
View
4 more retailers have this diamond
Prices start from $109 CADSave up to $334 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
0.28ct Round
$109 CAD