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Radiant|Natural|GIA

1.33ct K IF Radiant Natural Diamond

ID • K/IF • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From $4,500 USD
As of November 6, 2026
Save $1,172 USD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,672 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.33ct natural radiant diamond

This 1.33ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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. Listed at 3 retailers as of November 5, 2026, with prices from $4,500 to $5,672, a $1,172 spread on the same certified stone. Blue Nile lists it at $5,672. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
K
Color
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions7.43 × 5.61 × 3.48 mm
L/W Ratio1.32
Top View
7.43 mm5.61 mm1.33 ctK / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.1%

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: $5,672 USD|Low: $4,500 USD|High: $5,672 USD|Avg: $4,846 USD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$4,500 USD
Retailer 3$4,779 USD
Blue Nile$5,672 USD

2 data points across 3 retailers

3 retailers$4,500 USD to $5,672 USD

A
Cheapest Retailer
-
$4,500 USD
B+
Retailer 2
-
$4,779 USD
View
Most Expensive
B
Blue Nile
17928098 · Nov 5
$5,672 USD
View
2 more retailers have this diamond
Prices start from $4,500 USDSave up to $1,172 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
1.33ct Radiant
$4,500 USD