Round|Natural|GIA

1.50ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 5231832429

Certificate GIA 5231832429

Diamond specifications and retailer prices

From $4,499 NZD
As of November 4, 2026
Save $4,782 NZD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,705 NZD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $10,428 NZD|Low: $4,499 NZD|High: $10,540 NZD|Avg: $6,438 NZD|-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$4,499 NZD
Retailer 9$4,598 NZD
Retailer 11$4,839 NZD
Retailer 7$5,006 NZD
Retailer 3$5,173 NZD
Retailer 10$5,595 NZD
Retailer 12$6,020 NZD
Retailer 5$6,155 NZD
Retailer 6$6,982 NZD
Retailer 2$7,505 NZD
Retailer 8$9,281 NZD
NZ Jewellers$10,428 NZD

29 data points across 12 retailers

14 retailers$4,499 NZD to $9,281 NZD

A
Cheapest Retailer
-
$4,499 NZD
A
Retailer 2
-
$4,598 NZD
View
A
Retailer 3
-
$4,839 NZD
View
B+
Retailer 4
-
$5,006 NZD
View
Final sale: no returns
B+
Retailer 5
-
$5,173 NZD
View
B+
Retailer 6
-
$5,173 NZD
View
B+
Retailer 7
-
$5,595 NZD
View
Retailer 8
-
$6,020 NZD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$6,155 NZD
View
B
Retailer 10
-
$6,982 NZD
View
B
Retailer 11
-
$7,505 NZD
View
B
Retailer 12
-
$9,281 NZD
View
Retailer 13
-
$10,428 NZD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
fed64efd-19dc-4394-a064-da18d2aa772e · Sep 25
$10,705 NZD
$6,018 USD
View
Price last confirmed 42 days ago
13 more retailers have this diamond
Prices start from $4,499 NZDSave up to $4,782 NZD

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
$4,499 NZD