CaratHunter
Plans
Round|Natural|IGI

1.20ct K IF Round Natural Diamond

EX • K/IF • IGI 678521393

Shape and cutting style on the report: Round brilliant

Certificate IGI 678521393

Diamond specifications and retailer prices

From $2,390 AUD
As of November 6, 2026
Save $3,005 AUD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,456 AUD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 678521393. Listed at 16 retailers as of November 4, 2026, with a 126% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 678521393
Dimensions6.66 × 6.72 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.66 mm6.72 mm1.20 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 678521393
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

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: $2,390 AUD|Low: $2,390 AUD|High: $5,474 AUD|Avg: $3,565 AUD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$2,390 AUD
Retailer 8$2,789 AUD
Retailer 7$3,122 AUD
Retailer 2$3,393 AUD
Retailer 3$3,548 AUD
Retailer 4$3,768 AUD
Retailer 6$4,071 AUD
Retailer 5$5,395 AUD

35 data points across 8 retailers

16 retailers$2,390 AUD to $5,395 AUD

A
Cheapest Retailer
-
$2,390 AUD
A
Retailer 2
-
$2,789 AUD
View
Retailer 3
-
$3,088 AUD
View
Price last confirmed 25 days ago
Retailer 4
-
$3,088 AUD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$3,122 AUD
View
Retailer 6
-
$3,174 AUD
View
Price last confirmed 50 days ago
Retailer 7
-
$3,231 AUD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$3,393 AUD
View
A
Retailer 9
-
$3,548 AUD
View
Retailer 10
-
$3,563 AUD
View
Price last confirmed 45 days ago
Retailer 11
-
$3,563 AUD
View
Price last confirmed 28 days ago
A
Retailer 12
-
$3,768 AUD
View
A
Retailer 13
-
$4,071 AUD
View
B+
Retailer 14
-
$5,395 AUD
View
Retailer 15
-
$6,456 AUD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
a764d134-97bc-4a20-87c8-da7a348b5700 · Oct 3
$6,456 AUD
$4,436 USD
View
Price last confirmed 34 days ago
15 more retailers have this diamond
Prices start from $2,390 AUDSave up to $3,005 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
1.20ct Round
$2,390 AUD