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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 $2,659 SGD
As of November 5, 2026
Save $5,022 SGD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,682 SGD 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 $2,659 to $7,682, a $5,022 spread on the same certified stone. NZ Jewellers lists it at $7,682. 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: $4,001 SGD|Low: $2,648 SGD|High: $4,515 SGD|Avg: $3,514 SGD|-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$2,659 SGD
Retailer 5$2,664 SGD
Retailer 7$3,290 SGD
Retailer 6$3,353 SGD
Retailer 8$3,596 SGD
Retailer 9$3,815 SGD
Retailer 1$4,001 SGD
Retailer 4$4,087 SGD
Retailer 2$4,485 SGD

43 data points across 9 retailers

14 retailers$2,659 SGD to $7,682 SGD

A
Cheapest Retailer
-
$2,659 SGD
A
Retailer 2
-
$2,664 SGD
View
B+
Retailer 3
-
$3,290 SGD
View
B+
Retailer 4
-
$3,353 SGD
View
B+
Retailer 5
-
$3,596 SGD
View
Retailer 6
-
$3,674 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,674 SGD
View
B+
Retailer 8
-
$3,815 SGD
View
B+
Retailer 9
-
$3,855 SGD
View
B+
Retailer 10
-
$4,001 SGD
View
B+
Retailer 11
-
$4,087 SGD
View
B+
Retailer 12
-
$4,239 SGD
View
B+
Retailer 13
-
$4,485 SGD
View
Most Expensive
C
NZ Jewellers
983b77ee-52e9-4347-ae7c-1baa9bfd1310 · Nov 5
$7,682 SGD
$6,014 USD
View
13 more retailers have this diamond
Prices start from $2,659 SGDSave up to $5,022 SGD

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
$2,659 SGD