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Radiant|Natural|GIA

1.00ct K IF Radiant Natural Diamond

ID • K/IF • GIA 2548845578

Certificate GIA 2548845578

Diamond specifications and retailer prices

From $1,471 USD
As of November 6, 2026
Save $304 USD (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,775 USD 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 $1,471 to $1,775, a $304 spread on the same certified stone. Blue Nile lists it at $1,775. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,775 USD|Low: $1,284 USD|High: $1,938 USD|Avg: $1,627 USD|-8.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 3$1,471 USD
Retailer 5$1,479 USD
Retailer 2$1,493 USD
Retailer 6$1,643 USD
Retailer 4$1,675 USD
Blue Nile$1,775 USD

7 data points across 6 retailers

6 retailers$1,471 USD to $1,775 USD

A
Cheapest Retailer
-
$1,471 USD
Final sale: no returns
A
Retailer 2
-
$1,479 USD
View
A
Retailer 3
-
$1,493 USD
View
A
Retailer 4
-
$1,643 USD
View
A
Retailer 5
-
$1,675 USD
View
Most Expensive
B+
Blue Nile
28546865 · Nov 5
$1,775 USD
View
5 more retailers have this diamond
Prices start from $1,471 USDSave up to $304 USD

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
$1,471 USD