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Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 5516507747

Certificate GIA 5516507747

Diamond specifications and retailer prices

From $3,458 SGD
As of November 5, 2026
Save $4,615 SGD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,073 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5516507747. Listed at 13 retailers as of November 5, 2026, with prices from $3,458 to $8,073, a $4,615 spread on the same certified stone. NZ Jewellers lists it at $8,073. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5516507747
Dimensions7.26 × 7.29 × 4.48 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.26 mm7.29 mm1.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516507747
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,073 SGD|Low: $2,360 SGD|High: $8,073 SGD|Avg: $4,204 SGD|+19.4%
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 7$2,954 SGD
Retailer 10$3,458 SGD
Retailer 6$3,564 SGD
Retailer 9$3,564 SGD
Retailer 3$3,861 SGD
Retailer 11$3,861 SGD
Retailer 8$4,009 SGD
Retailer 12$4,043 SGD
Retailer 4$4,455 SGD
Retailer 5$4,486 SGD
Retailer 2$5,096 SGD
NZ Jewellers$8,073 SGD

41 data points across 12 retailers

13 retailers$3,458 SGD to $8,073 SGD

Retailer 1
-
$2,954 SGD
Price last confirmed 9 days ago
B+
Retailer 2
-
$3,458 SGD
View
B+
Retailer 3
-
$3,564 SGD
View
B+
Retailer 4
-
$3,564 SGD
View
Final sale: no returns
Retailer 5
-
$3,607 SGD
View
Price last confirmed 68 days ago
B+
Retailer 6
-
$3,861 SGD
View
Retailer 7
-
$3,861 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,009 SGD
View
B+
Retailer 9
-
$4,043 SGD
View
B
Retailer 10
-
$4,455 SGD
View
B
Retailer 11
-
$4,486 SGD
View
B
Retailer 12
-
$5,096 SGD
View
Most Expensive
C
NZ Jewellers
46d3eabe-5e72-44fe-9fa0-2accdc5cbdc9 · Nov 5
$8,073 SGD
$6,320 USD
View
12 more retailers have this diamond
Prices start from $3,458 SGDSave up to $4,615 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.

B+
1.50ct Round
$3,458 SGD