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Round|Natural|IGI

1.21ct I IF Round Natural Diamond

EX • I/IF • IGI 782676750

Shape and cutting style on the report: Round brilliant

Certificate IGI 782676750

Diamond specifications and retailer prices

From $4,499 AUD
As of November 6, 2026
Save $5,923 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,422 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 782676750. Listed at 14 retailers as of November 2, 2026, with prices from $4,499 to $10,422, a $5,923 spread on the same certified stone. NZ Jewellers lists it at $10,422. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 782676750
Dimensions6.77 × 6.82 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.77 mm6.82 mm1.21 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 782676750
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.9%

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: $10,422 AUD|Low: $4,499 AUD|High: $10,422 AUD|Avg: $6,446 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
November 6, 2026
Retailer 2$4,499 AUD
Retailer 10$5,079 AUD
Retailer 13$5,333 AUD
Retailer 8$5,522 AUD
Retailer 4$5,982 AUD
Retailer 5$5,982 AUD
Retailer 6$5,982 AUD
Retailer 11$5,989 AUD
Retailer 9$6,538 AUD
Retailer 7$6,871 AUD
Retailer 3$6,903 AUD
Retailer 14$7,353 AUD
Retailer 12$10,004 AUD
NZ Jewellers$10,422 AUD

11 data points across 14 retailers

14 retailers$4,499 AUD to $10,422 AUD

A
Cheapest Retailer
-
$4,499 AUD
A
Retailer 2
-
$5,079 AUD
View
A
Retailer 3
-
$5,333 AUD
View
A
Retailer 4
-
$5,522 AUD
View
Final sale: no returns
Retailer 5
-
$5,982 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$5,982 AUD
View
A
Retailer 7
-
$5,982 AUD
View
A
Retailer 8
-
$5,989 AUD
View
A
Retailer 9
-
$6,538 AUD
View
B+
Retailer 10
-
$6,871 AUD
View
B+
Retailer 11
-
$6,903 AUD
View
B+
Retailer 12
-
$7,353 AUD
View
B
Retailer 13
-
$10,004 AUD
View
Most Expensive
B
NZ Jewellers
d2b1ceec-8899-4662-8f9e-fd5e5c394d8b · Nov 2
$10,422 AUD
$7,161 USD
View
13 more retailers have this diamond
Prices start from $4,499 AUDSave up to $5,923 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
1.21ct Round
$4,499 AUD