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Round|Natural|GIA

1.50ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 5231832429

Certificate GIA 5231832429

Diamond specifications and retailer prices

From $3,613 AUD
As of November 4, 2026
Save $3,840 AUD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,597 AUD at NZ Jewellers · As of September 25, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231832429. Listed at 14 retailers as of November 4, 2026, with a 106% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231832429
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231832429
Side View
Table 57.0%Crown 34°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.7%

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 4
Current: $8,374 AUD|Low: $3,613 AUD|High: $8,464 AUD|Avg: $5,170 AUD|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$3,613 AUD
Retailer 9$3,693 AUD
Retailer 11$3,886 AUD
Retailer 7$4,020 AUD
Retailer 3$4,154 AUD
Retailer 10$4,493 AUD
Retailer 12$4,834 AUD
Retailer 5$4,943 AUD
Retailer 6$5,607 AUD
Retailer 2$6,027 AUD
Retailer 8$7,452 AUD
NZ Jewellers$8,374 AUD

29 data points across 12 retailers

14 retailers$3,613 AUD to $7,452 AUD

A
Cheapest Retailer
-
$3,613 AUD
A
Retailer 2
-
$3,693 AUD
View
A
Retailer 3
-
$3,886 AUD
View
B+
Retailer 4
-
$4,020 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,154 AUD
View
B+
Retailer 6
-
$4,154 AUD
View
B+
Retailer 7
-
$4,493 AUD
View
Retailer 8
-
$4,834 AUD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$4,943 AUD
View
B
Retailer 10
-
$5,607 AUD
View
B
Retailer 11
-
$6,027 AUD
View
B
Retailer 12
-
$7,452 AUD
View
Retailer 13
-
$8,374 AUD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
fed64efd-19dc-4394-a064-da18d2aa772e · Sep 25
$8,597 AUD
$6,018 USD
View
Price last confirmed 41 days ago
13 more retailers have this diamond
Prices start from $3,613 AUDSave up to $3,840 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
$3,613 AUD