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Round|Natural|GIA

1.50ct K IF Round Natural Diamond

EX • K/IF • GIA 7551336108

Certificate GIA 7551336108

Diamond specifications and retailer prices

From $6,738 AUD
As of November 6, 2026
Save $2,357 AUD (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,095 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7551336108. Listed at 8 retailers as of November 5, 2026, with prices from $6,738 to $9,095, a $2,357 spread on the same certified stone. Blue Nile lists it at $9,095. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7551336108
Dimensions7.28 × 7.23 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.28 mm7.23 mm1.50 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551336108
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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: $9,095 AUD|Low: $6,738 AUD|High: $9,722 AUD|Avg: $7,960 AUD|-6.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$6,738 AUD
Retailer 4$7,412 AUD
Retailer 5$7,732 AUD
Retailer 3$7,967 AUD
Retailer 6$7,987 AUD
Retailer 7$8,142 AUD
Blue Nile$9,095 AUD

45 data points across 7 retailers

8 retailers$6,738 AUD to $9,095 AUD

A
Cheapest Retailer
-
$6,738 AUD
A
Retailer 2
-
$7,412 AUD
View
A
Retailer 3
-
$7,732 AUD
View
A
Retailer 4
-
$7,967 AUD
View
A
Retailer 5
-
$7,987 AUD
View
Final sale: no returns
A
Retailer 6
-
$8,142 AUD
View
B+
Retailer 7
-
$8,577 AUD
View
Most Expensive
B+
Blue Nile
29224268 · Nov 5
$9,095 AUD
$6,367 USD
View
7 more retailers have this diamond
Prices start from $6,738 AUDSave up to $2,357 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
1.50ct Round
$6,738 AUD