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Round|Natural|GIA

1.21ct K IF Round Natural Diamond

EX • K/IF • GIA 1557598486

Certificate GIA 1557598486

Diamond specifications and retailer prices

From $4,384 AUD
As of November 1, 2026
Save $3,101 AUD (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,877 AUD at NZ Jewellers · As of October 17, 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1557598486. Listed at 9 retailers as of November 1, 2026, with a 71% 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

1.21
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle0.44°
OriginNatural
Grading LabGIA
CertificateGIA 1557598486
Dimensions6.76 × 6.81 × 4.26 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Culet sizeNone
Top View
6.76 mm6.81 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557598486
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 0.44°Culet: NoneDepth 62.8%

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 1
Current: $4,598 AUD|Low: $4,384 AUD|High: $8,112 AUD|Avg: $5,463 AUD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$4,384 AUD
Retailer 1$4,598 AUD
Retailer 6$4,748 AUD
Retailer 2$5,199 AUD
Retailer 3$5,464 AUD
Retailer 4$7,485 AUD

43 data points across 6 retailers

9 retailers$4,384 AUD to $7,485 AUD

A
Cheapest Retailer
-
$4,384 AUD
Retailer 2
-
$4,522 AUD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$4,598 AUD
View
Retailer 4
-
$4,695 AUD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$5,199 AUD
View
Retailer 6
-
$5,218 AUD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$5,464 AUD
View
B
Retailer 8
-
$7,485 AUD
View
Most Expensive
NZ Jewellers
53379390-47f2-408b-80a1-f7261807b4dd · Oct 17
$7,877 AUD
$5,412 USD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from $4,384 AUDSave up to $3,101 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
$4,384 AUD