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1.36ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 743505926

Shape and cutting style on the report: Round brilliant

Certificate IGI 743505926

Diamond specifications and retailer prices

From $1,640 AUD
As of November 6, 2026
Save $3,567 AUD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,207 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.36ct natural round diamond

This 1.36ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 743505926. Listed at 19 retailers as of November 5, 2026, with prices from $1,640 to $5,207, a $3,567 spread on the same certified stone. NZ Jewellers lists it at $5,207. 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

1.36
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 743505926
Dimensions7.03 × 6.98 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.03 mm6.98 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743505926
Side View
Table 55.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: $1,640 AUD|Low: $1,640 AUD|High: $3,780 AUD|Avg: $2,520 AUD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,640 AUD
Retailer 2$2,043 AUD
Retailer 3$2,384 AUD
Retailer 4$2,606 AUD
Retailer 5$2,896 AUD
Retailer 6$3,730 AUD

27 data points across 6 retailers

19 retailers$1,640 AUD to $5,207 AUD

A
Cheapest Retailer
-
$1,640 AUD
Retailer 2
-
$1,956 AUD
View
Price last confirmed 95 days ago
A
Retailer 3
-
$1,978 AUD
View
A
Retailer 4
-
$2,043 AUD
View
Retailer 5
-
$2,136 AUD
View
Price last confirmed 42 days ago
Retailer 6
-
$2,136 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,136 AUD
View
A
Retailer 8
-
$2,156 AUD
View
A
Retailer 9
-
$2,234 AUD
View
A
Retailer 10
-
$2,264 AUD
View
A
Retailer 11
-
$2,328 AUD
View
A
Retailer 12
-
$2,384 AUD
View
A
Retailer 13
-
$2,463 AUD
View
Retailer 14
-
$2,463 AUD
View
Price last confirmed 45 days ago
A
Retailer 15
-
$2,606 AUD
View
A
Retailer 16
-
$2,896 AUD
View
B+
Retailer 17
-
$3,730 AUD
View
Retailer 18
-
$5,207 AUD
View
Price last confirmed 42 days ago
Most Expensive
B
NZ Jewellers
a068e4be-98b1-478d-bd53-0dc389beed6c · Nov 5
$5,207 AUD
$3,645 USD
View
18 more retailers have this diamond
Prices start from $1,640 AUDSave up to $3,567 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.

A
1.36ct Round
$1,640 AUD