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Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 7546341026

Certificate GIA 7546341026

Diamond specifications and retailer prices

From $3,328 AUD
As of November 6, 2026
Save $1,139 AUD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,495 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 N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7546341026. Listed at 9 retailers as of November 3, 2026, with a 34% 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7546341026
Dimensions7.34 × 7.30 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Crystal, Natural
Top View
7.34 mm7.30 mm1.50 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546341026
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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: $3,403 AUD|Low: $3,328 AUD|High: $5,515 AUD|Avg: $4,198 AUD|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$3,328 AUD
Retailer 1$3,403 AUD
Retailer 5$3,586 AUD
Retailer 4$4,407 AUD
Retailer 3$4,467 AUD
Retailer 6$5,515 AUD

24 data points across 6 retailers

9 retailers$3,328 AUD to $4,467 AUD

A
Cheapest Retailer
-
$3,328 AUD
B+
Retailer 2
-
$3,403 AUD
View
Retailer 3
-
$3,586 AUD
View
Price last confirmed 17 days ago
Retailer 4
-
$3,586 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$3,751 AUD
View
Price last confirmed 22 days ago
Retailer 6
-
$4,137 AUD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$4,407 AUD
View
B
Retailer 8
-
$4,467 AUD
View
Most Expensive
NZ Jewellers
79c0748f-7e6e-4616-bb38-6136a2e32850 · Oct 17
$7,495 AUD
$5,247 USD
View
Price last confirmed 19 days ago
8 more retailers have this diamond
Prices start from $3,328 AUDSave up to $1,139 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
$3,328 AUD