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Round|Natural|IGI

1.28ct K I1 Round Natural Diamond

EX • K/I1 • IGI 224632496

Shape and cutting style on the report: Round brilliant

Certificate IGI 224632496

Diamond specifications and retailer prices

From $1,564 AUD
As of November 4, 2026
Save $1,098 AUD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,662 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 224632496. Listed at 2 retailers as of November 4, 2026, with prices from $1,564 to $2,662, a $1,098 spread on the same certified stone. Yorxs lists it at $2,662. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 224632496
Dimensions6.87 × 6.83 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeMedium
Top View
6.87 mm6.83 mm1.28 ctK / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 224632496
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41°Culet: MediumDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $1,564 AUD|Low: $1,564 AUD|High: $2,937 AUD|Avg: $2,199 AUD|-9.1%
Retailer 1
Yorxs
November 5, 2026
Retailer 1$1,564 AUD
Yorxs$2,662 AUD

19 data points across 2 retailers

2 retailers$1,564 AUD to $2,662 AUD

B+
Cheapest Retailer
-
$1,564 AUD
Most Expensive
B+
Yorxs
3A88A783B · Nov 5
$2,662 AUD
€1,775 EUR
View
1 more retailer has this diamond
Prices start from $1,564 AUDSave up to $1,098 AUD

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.

B+
1.28ct Round
$1,564 AUD