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Cushion|Natural|GIA

1.50ct M SI1 Cushion Natural Diamond

M/SI1 • GIA 3555312495

Certificate GIA 3555312495

Diamond specifications and retailer prices

From $2,830 SGD
As of November 6, 2026
Save $1,511 SGD (35%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,341 SGD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 3555312495. Listed at 6 retailers as of November 5, 2026, with prices from $2,830 to $4,341, a $1,511 spread on the same certified stone. Cape Diamonds lists it at $4,341. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555312495
Dimensions7.54 × 5.40 × 3.76 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.54 mm5.40 mm1.50 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3555312495
Side View
Table 69.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.7%

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 6
Current: $4,341 SGD|Low: $2,830 SGD|High: $4,678 SGD|Avg: $3,764 SGD|-5.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$2,830 SGD
Retailer 4$3,492 SGD
Retailer 6$3,574 SGD
Retailer 5$3,737 SGD
Retailer 3$4,140 SGD
Cape Diamonds$4,341 SGD

45 data points across 6 retailers

6 retailers$2,830 SGD to $4,341 SGD

B+
Cheapest Retailer
-
$2,830 SGD
B
Retailer 2
-
$3,492 SGD
View
Retailer 3
-
$3,574 SGD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$3,737 SGD
View
B
Retailer 5
-
$4,140 SGD
View
Most Expensive
B
Cape Diamonds
cert_3555312495 · Nov 5
$4,341 SGD
ZAR 54,716 ZAR
View
5 more retailers have this diamond
Prices start from $2,830 SGDSave up to $1,511 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 Cushion
$2,830 SGD