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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 $3,704 NZD
As of November 5, 2026
Save $6,995 NZD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,698 NZD 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 $3,704 to $10,698, a $6,995 spread on the same certified stone. NZ Jewellers lists it at $10,698. 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: $5,572 NZD|Low: $3,688 NZD|High: $6,288 NZD|Avg: $4,894 NZD|-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$3,704 NZD
Retailer 5$3,711 NZD
Retailer 7$4,582 NZD
Retailer 6$4,670 NZD
Retailer 8$5,008 NZD
Retailer 9$5,314 NZD
Retailer 1$5,572 NZD
Retailer 4$5,692 NZD
Retailer 2$6,246 NZD

43 data points across 9 retailers

14 retailers$3,704 NZD to $10,698 NZD

A
Cheapest Retailer
-
$3,704 NZD
A
Retailer 2
-
$3,711 NZD
View
B+
Retailer 3
-
$4,582 NZD
View
B+
Retailer 4
-
$4,670 NZD
View
B+
Retailer 5
-
$5,008 NZD
View
Retailer 6
-
$5,116 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,116 NZD
View
B+
Retailer 8
-
$5,314 NZD
View
B+
Retailer 9
-
$5,369 NZD
View
B+
Retailer 10
-
$5,572 NZD
View
B+
Retailer 11
-
$5,692 NZD
View
B+
Retailer 12
-
$5,904 NZD
View
B+
Retailer 13
-
$6,246 NZD
View
Most Expensive
C
NZ Jewellers
983b77ee-52e9-4347-ae7c-1baa9bfd1310 · Nov 5
$10,698 NZD
$6,014 USD
View
13 more retailers have this diamond
Prices start from $3,704 NZDSave up to $6,995 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
$3,704 NZD