Round|Natural|IGI

0.75ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 815656146

Shape and cutting style on the report: Round brilliant

Certificate IGI 815656146

Diamond specifications and retailer prices

From $662 AUD
As of November 5, 2026
Save $1,726 AUD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,388 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 815656146. Listed at 13 retailers as of November 2, 2026, with prices from $662 to $2,388, a $1,726 spread on the same certified stone. NZ Jewellers lists it at $2,388. 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

0.75
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 815656146
Dimensions5.77 × 5.71 × 3.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.77 mm5.71 mm0.75 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815656146
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

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 5
Current: $2,388 AUD|Low: $662 AUD|High: $2,441 AUD|Avg: $1,085 AUD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8$662 AUD
Retailer 11$691 AUD
Retailer 4$761 AUD
Retailer 13$821 AUD
Retailer 5$824 AUD
Retailer 6$876 AUD
Retailer 9$933 AUD
Retailer 12$1,048 AUD
Retailer 7$1,121 AUD
Retailer 10$1,138 AUD
Retailer 2$1,145 AUD
Retailer 3$1,760 AUD
NZ Jewellers$2,388 AUD

24 data points across 13 retailers

13 retailers$662 AUD to $2,388 AUD

A
Cheapest Retailer
-
$662 AUD
A
Retailer 2
-
$691 AUD
View
A
Retailer 3
-
$761 AUD
View
A
Retailer 4
-
$821 AUD
View
Retailer 5
-
$824 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$876 AUD
View
A
Retailer 7
-
$933 AUD
View
B+
Retailer 8
-
$1,048 AUD
View
A
Retailer 9
-
$1,121 AUD
View
A
Retailer 10
-
$1,138 AUD
View
A
Retailer 11
-
$1,145 AUD
View
B+
Retailer 12
-
$1,760 AUD
View
Most Expensive
B
NZ Jewellers
40796e42-2669-49ad-9b87-c89dbc207cd3 · Nov 2
$2,388 AUD
$1,641 USD
View
12 more retailers have this diamond
Prices start from $662 AUDSave up to $1,726 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
0.75ct Round
$662 AUD