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Round|Natural|IGI

1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 754512411

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512411

Diamond specifications and retailer prices

From $1,633 AUD
As of November 6, 2026
Save $3,484 AUD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,117 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512411. Listed at 20 retailers as of November 5, 2026, with prices from $1,633 to $5,117, a $3,484 spread on the same certified stone. NZ Jewellers lists it at $5,117. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 754512411
Dimensions6.47 × 6.49 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.47 mm6.49 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512411
Side View
Table 59.0%Crown 32.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,117 AUD|Low: $1,633 AUD|High: $5,117 AUD|Avg: $2,468 AUD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 2$1,633 AUD
Retailer 10$1,857 AUD
Retailer 9$1,944 AUD
Retailer 16$1,994 AUD
Retailer 13$2,007 AUD
Retailer 4$2,097 AUD
Retailer 7$2,097 AUD
Retailer 19$2,177 AUD
Retailer 6$2,194 AUD
Retailer 20$2,236 AUD
Retailer 3$2,291 AUD
Retailer 8$2,297 AUD
Retailer 14$2,328 AUD
Retailer 11$2,420 AUD
Retailer 15$2,457 AUD
Retailer 17$2,560 AUD
Retailer 18$2,821 AUD
Retailer 12$3,138 AUD
Retailer 5$3,694 AUD
NZ Jewellers$5,117 AUD

24 data points across 20 retailers

20 retailers$1,633 AUD to $5,117 AUD

A
Cheapest Retailer
-
$1,633 AUD
A
Retailer 2
-
$1,857 AUD
View
A
Retailer 3
-
$1,944 AUD
View
A
Retailer 4
-
$1,994 AUD
View
A
Retailer 5
-
$2,007 AUD
View
B+
Retailer 6
-
$2,097 AUD
View
Retailer 7
-
$2,097 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,177 AUD
View
B+
Retailer 9
-
$2,194 AUD
View
B+
Retailer 10
-
$2,236 AUD
View
B+
Retailer 11
-
$2,291 AUD
View
B+
Retailer 12
-
$2,297 AUD
View
A
Retailer 13
-
$2,328 AUD
View
B+
Retailer 14
-
$2,420 AUD
View
A
Retailer 15
-
$2,457 AUD
View
B+
Retailer 16
-
$2,560 AUD
View
B+
Retailer 17
-
$2,821 AUD
View
B
Retailer 18
-
$3,138 AUD
View
Retailer 19
-
$3,694 AUD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
7026b706-70dc-4fa0-bdf0-ca6f9984962b · Nov 5
$5,117 AUD
$3,582 USD
View
19 more retailers have this diamond
Prices start from $1,633 AUDSave up to $3,484 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
1.01ct Round
$1,633 AUD