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Round|Natural|GIA

1.50ct I IF Round Natural Diamond

EX • I/IF • GIA 5231056529

Certificate GIA 5231056529

Diamond specifications and retailer prices

From $13,456 AUD
As of November 1, 2026
Save $9,498 AUD (41%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $24,562 AUD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5231056529. Listed at 22 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
OriginNatural
Grading LabGIA
CertificateGIA 5231056529
Dimensions7.32 × 7.28 × 4.54 mm
L/W Ratio1.01
Top View
7.32 mm7.28 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231056529
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,500 AUD|Low: $13,456 AUD|High: $23,292 AUD|Avg: $17,831 AUD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$13,456 AUD
Retailer 8$13,771 AUD
Retailer 10$14,736 AUD
Retailer 3$15,652 AUD
Retailer 2$16,158 AUD
Retailer 7$16,898 AUD
Retailer 4$17,432 AUD
Retailer 5$18,423 AUD
Retailer 1$21,500 AUD
Retailer 6$22,955 AUD

37 data points across 10 retailers

22 retailers$13,456 AUD to $22,955 AUD

B+
Cheapest Retailer
-
$13,456 AUD
B+
Retailer 2
-
$13,674 AUD
View
B+
Retailer 3
-
$13,771 AUD
View
B+
Retailer 4
-
$14,564 AUD
View
Retailer 5
-
$14,736 AUD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$14,736 AUD
View
Final sale: no returns
B+
Retailer 7
-
$14,859 AUD
View
B+
Retailer 8
-
$15,652 AUD
View
B+
Retailer 9
-
$15,719 AUD
View
Retailer 10
-
$15,965 AUD
View
Price last confirmed 19 days ago
Retailer 11
-
$16,158 AUD
View
Price last confirmed 33 days ago
Retailer 12
-
$16,211 AUD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$16,898 AUD
View
Retailer 14
-
$16,898 AUD
View
Price last confirmed 18 days ago
B+
Retailer 15
-
$17,432 AUD
View
B+
Retailer 16
-
$17,561 AUD
View
Retailer 17
-
$18,422 AUD
View
Price last confirmed 19 days ago
B+
Retailer 18
-
$18,423 AUD
View
Retailer 19
-
$19,389 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$21,500 AUD
View
B
Retailer 21
-
$22,955 AUD
View
Most Expensive
NZ Jewellers
4be1e329-c04b-40ba-a381-96ea96a8f85d · Oct 17
$24,562 AUD
$17,194 USD
View
Price last confirmed 19 days ago
21 more retailers have this diamond
Prices start from $13,456 AUDSave up to $9,498 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.

B+
1.50ct Round
$13,456 AUD