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1.50ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6495882185

Shape and cutting style on the report: Round brilliant

Certificate GIA 6495882185

Diamond specifications and retailer prices

From $2,974 AUD
As of November 5, 2026
Save $5,617 AUD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,591 AUD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495882185. Listed at 14 retailers as of November 5, 2026, with prices from $2,974 to $8,591, a $5,617 spread on the same certified stone. NZ Jewellers lists it at $8,591. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6495882185
Dimensions7.27 × 7.31 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.27 mm7.31 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495882185
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 5
Current: $4,474 AUD|Low: $2,961 AUD|High: $5,050 AUD|Avg: $3,930 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$2,974 AUD
Retailer 5$2,980 AUD
Retailer 7$3,680 AUD
Retailer 6$3,750 AUD
Retailer 8$4,021 AUD
Retailer 9$4,267 AUD
Retailer 1$4,474 AUD
Retailer 4$4,571 AUD
Retailer 2$5,015 AUD

43 data points across 9 retailers

14 retailers$2,974 AUD to $8,591 AUD

A
Cheapest Retailer
-
$2,974 AUD
A
Retailer 2
-
$2,980 AUD
View
B+
Retailer 3
-
$3,680 AUD
View
B+
Retailer 4
-
$3,750 AUD
View
B+
Retailer 5
-
$4,021 AUD
View
Retailer 6
-
$4,108 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,108 AUD
View
B+
Retailer 8
-
$4,267 AUD
View
B+
Retailer 9
-
$4,311 AUD
View
B+
Retailer 10
-
$4,474 AUD
View
B+
Retailer 11
-
$4,571 AUD
View
B+
Retailer 12
-
$4,741 AUD
View
B+
Retailer 13
-
$5,015 AUD
View
Most Expensive
C
NZ Jewellers
983b77ee-52e9-4347-ae7c-1baa9bfd1310 · Nov 5
$8,591 AUD
$6,014 USD
View
13 more retailers have this diamond
Prices start from $2,974 AUDSave up to $5,617 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
$2,974 AUD