CaratHunter
Plans
Radiant|Natural|GIA

1.00ct K IF Radiant Natural Diamond

ID • K/IF • GIA 2548845578

Certificate GIA 2548845578

Diamond specifications and retailer prices

From $2,141 AUD
As of November 6, 2026
Save $442 AUD (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,583 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1ct natural radiant diamond

This 1ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 2548845578. Listed at 6 retailers as of November 5, 2026, with prices from $2,141 to $2,583, a $442 spread on the same certified stone. Blue Nile lists it at $2,583. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548845578
Dimensions6.30 × 4.81 × 3.42 mm
L/W Ratio1.31
Top View
6.30 mm4.81 mm1.00 ctK / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2548845578
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.1%

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: $2,583 AUD|Low: $1,869 AUD|High: $2,821 AUD|Avg: $2,368 AUD|-8.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 3$2,141 AUD
Retailer 5$2,153 AUD
Retailer 2$2,173 AUD
Retailer 6$2,391 AUD
Retailer 4$2,438 AUD
Blue Nile$2,583 AUD

7 data points across 6 retailers

6 retailers$2,141 AUD to $2,583 AUD

A
Cheapest Retailer
-
$2,141 AUD
Final sale: no returns
A
Retailer 2
-
$2,153 AUD
View
A
Retailer 3
-
$2,173 AUD
View
A
Retailer 4
-
$2,391 AUD
View
A
Retailer 5
-
$2,438 AUD
View
Most Expensive
B+
Blue Nile
28546865 · Nov 5
$2,583 AUD
$1,775 USD
View
5 more retailers have this diamond
Prices start from $2,141 AUDSave up to $442 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
1.00ct Radiant
$2,141 AUD