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Round|Natural|IGI

1.03ct I I1 Round Natural Diamond

EX • I/I1 • IGI 553252599

Shape and cutting style on the report: Round brilliant

Certificate IGI 553252599

Diamond specifications and retailer prices

From $2,259 AUD
$1,587 USD
As of November 1, 2026
Save $3,787 AUD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,046 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 553252599. Listed at 7 retailers as of October 30, 2026, with prices from $2,259 to $6,046, a $3,787 spread on the same certified stone. NZ Jewellers lists it at $6,046. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 553252599
Dimensions6.40 × 6.47 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.40 mm6.47 mm1.03 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 553252599
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,046 AUD|Low: $1,793 AUD|High: $6,046 AUD|Avg: $2,981 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$1,793 AUD
Retailer 7$2,259 AUD
Retailer 3$2,478 AUD
Retailer 5$2,478 AUD
Retailer 4$2,594 AUD
Retailer 6$2,860 AUD
Retailer 2$3,371 AUD
NZ Jewellers$6,046 AUD

12 data points across 8 retailers

7 retailers$2,259 AUD to $6,046 AUD

B+
Cheapest Retailer
-
$2,259 AUD
$1,587 USD
B+
Retailer 2
-
$2,478 AUD
$1,741 USD
View
B+
Retailer 3
-
$2,478 AUD
$1,741 USD
View
B+
Retailer 4
-
$2,594 AUD
$1,822 USD
View
B+
Retailer 5
-
$2,860 AUD
$2,009 USD
View
B
Retailer 6
-
$3,371 AUD
€2,255 EUR
View
Most Expensive
C
NZ Jewellers
3682f781-c6dd-418e-814b-b7a577963c17 · Oct 30
$6,046 AUD
$4,247 USD
View
6 more retailers have this diamond
Prices start from $2,259 AUDSave up to $3,787 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+
1.03ct Round
$2,259 AUD