Round|Natural|GIA

1.50ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1547266630

Certificate GIA 1547266630

Diamond specifications and retailer prices

From $3,270 SGD
As of November 4, 2026
Save $1,966 SGD (38%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,473 SGD 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1547266630. Listed at 14 retailers as of November 4, 2026, with a 60% 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1547266630
Dimensions7.49 × 7.44 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
7.49 mm7.44 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1547266630
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,236 SGD|Low: $3,237 SGD|High: $5,273 SGD|Avg: $4,184 SGD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$3,270 SGD
Retailer 2$3,447 SGD
Retailer 4$3,923 SGD
Retailer 7$4,011 SGD
Retailer 8$4,290 SGD
Retailer 6$4,317 SGD
Retailer 3$5,006 SGD
Retailer 1$5,236 SGD

43 data points across 8 retailers

14 retailers$3,270 SGD to $5,236 SGD

A
Cheapest Retailer
-
$3,270 SGD
A
Retailer 2
-
$3,447 SGD
View
B+
Retailer 3
-
$3,923 SGD
View
B+
Retailer 4
-
$4,011 SGD
View
B+
Retailer 5
-
$4,145 SGD
View
Retailer 6
-
$4,290 SGD
View
Price last confirmed 21 days ago
Retailer 7
-
$4,290 SGD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$4,317 SGD
View
Retailer 9
-
$4,455 SGD
View
Price last confirmed 22 days ago
B
Retailer 10
-
$4,473 SGD
View
Retailer 11
-
$4,950 SGD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$5,006 SGD
View
B
Retailer 13
-
$5,236 SGD
View
Most Expensive
NZ Jewellers
89d47ed6-1b74-4f0f-9f49-2afd9b747c17 · Oct 17
$7,473 SGD
$5,851 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from $3,270 SGDSave up to $1,966 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
$3,270 SGD