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Round|Natural|IGI

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 768663756

Shape and cutting style on the report: Round brilliant

Certificate IGI 768663756

Diamond specifications and retailer prices

From $2,931 AUD
$2,059 USD
As of November 1, 2026
Save $3,852 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,783 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 768663756. Listed at 14 retailers as of October 30, 2026, with prices from $2,931 to $6,783, a $3,852 spread on the same certified stone. NZ Jewellers lists it at $6,783. 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

1.13
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 768663756
Dimensions6.62 × 6.66 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.62 mm6.66 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768663756
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

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 1
Current: $6,783 AUD|Low: $2,809 AUD|High: $6,940 AUD|Avg: $3,907 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$2,931 AUD
Retailer 10$2,995 AUD
Retailer 9$3,012 AUD
Retailer 8$3,244 AUD
Retailer 11$3,244 AUD
Retailer 7$3,253 AUD
Retailer 2$3,602 AUD
Retailer 6$3,988 AUD
Retailer 4$4,034 AUD
Retailer 5$5,684 AUD
NZ Jewellers$6,783 AUD

36 data points across 11 retailers

14 retailers$2,931 AUD to $6,783 AUD

A
Cheapest Retailer
-
$2,931 AUD
$2,059 USD
A
Retailer 2
-
$2,995 AUD
$2,104 USD
View
Final sale: no returns
A
Retailer 3
-
$3,012 AUD
$2,116 USD
View
Retailer 4
-
$3,244 AUD
$2,279 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$3,244 AUD
$2,279 USD
View
A
Retailer 6
-
$3,244 AUD
$2,279 USD
View
A
Retailer 7
-
$3,253 AUD
$2,285 USD
View
A
Retailer 8
-
$3,602 AUD
£1,992 GBP
View
Retailer 9
-
$3,744 AUD
$2,630 USD
View
Price last confirmed 40 days ago
B+
Retailer 10
-
$3,988 AUD
ZAR 45,255 ZAR
View
B+
Retailer 11
-
$4,034 AUD
€2,699 EUR
View
B
Retailer 12
-
$5,684 AUD
£3,144 GBP
View
Retailer 13
-
$6,783 AUD
$4,765 USD
View
Price last confirmed 41 days ago
Most Expensive
B
NZ Jewellers
a66f8384-c9f6-4b66-9a09-1ff9de913ce6 · Oct 30
$6,783 AUD
$4,765 USD
View
13 more retailers have this diamond
Prices start from $2,931 AUDSave up to $3,852 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
1.13ct Round
$2,931 AUD