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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 $6,549 AUD
As of November 6, 2026
Save $1,706 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,255 AUD 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 $6,549 to $8,255, a $1,706 spread on the same certified stone. Blue Nile lists it at $8,255. 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
Colour
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: $8,255 AUD|Low: $6,549 AUD|High: $8,255 AUD|Avg: $7,053 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$6,549 AUD
Retailer 3$6,955 AUD
Blue Nile$8,255 AUD

2 data points across 3 retailers

3 retailers$6,549 AUD to $8,255 AUD

A
Cheapest Retailer
-
$6,549 AUD
B+
Retailer 2
-
$6,955 AUD
View
Most Expensive
B
Blue Nile
17928098 · Nov 5
$8,255 AUD
$5,672 USD
View
2 more retailers have this diamond
Prices start from $6,549 AUDSave up to $1,706 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
1.33ct Radiant
$6,549 AUD