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Round|Natural|IGI

0.28ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 818692902

Shape and cutting style on the report: Round brilliant

Certificate IGI 818692902

Diamond specifications and retailer prices

From £62 GBP
As of November 5, 2026
Save £139 GBP (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £201 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 0.28ct natural round diamond

This 0.28ct natural round sits in the sub-half-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 818692902. Listed at 4 retailers as of November 1, 2026, with prices from £62 to £201, a £139 spread on the same certified stone. Rare Carat lists it at £201. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 818692902
Dimensions4.21 × 4.23 × 2.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.21 mm4.23 mm0.28 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 818692902
Side View
Table 56.0%Crown 34.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £201 GBP|Low: £53 GBP|High: £204 GBP|Avg: £128 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2£62 GBP
Retailer 5£86 GBP
Retailer 4£116 GBP
Retailer 3£186 GBP
Rare Carat£201 GBP

43 data points across 5 retailers

4 retailers£62 GBP to £201 GBP

A
Cheapest Retailer
-
£62 GBP
B+
Retailer 2
-
£116 GBP
View
B
Retailer 3
-
£186 GBP
View
Most Expensive
B
Rare Carat
10242776 · Nov 1
£201 GBP
$270 USD
View
3 more retailers have this diamond
Prices start from £62 GBPSave up to £139 GBP

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
£62 GBP