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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 HK$17,305 HKD
As of November 6, 2026
Save HK$9,240 HKD (35%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$26,545 HKD 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 HK$17,305 to HK$26,545, a HK$9,240 spread on the same certified stone. Cape Diamonds lists it at HK$26,545. 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: HK$26,545 HKD|Low: HK$17,305 HKD|High: HK$28,605 HKD|Avg: HK$23,018 HKD|-5.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2HK$17,305 HKD
Retailer 4HK$21,357 HKD
Retailer 6HK$21,859 HKD
Retailer 5HK$22,854 HKD
Retailer 3HK$25,315 HKD
Cape DiamondsHK$26,545 HKD

45 data points across 6 retailers

6 retailersHK$17,305 HKD to HK$26,545 HKD

B+
Cheapest Retailer
-
HK$17,305 HKD
B
Retailer 2
-
HK$21,357 HKD
View
Retailer 3
-
HK$21,859 HKD
View
Price last confirmed 9 days ago
B
Retailer 4
-
HK$22,854 HKD
View
B
Retailer 5
-
HK$25,315 HKD
View
Most Expensive
B
Cape Diamonds
cert_3555312495 · Nov 5
HK$26,545 HKD
ZAR 54,716 ZAR
View
5 more retailers have this diamond
Prices start from HK$17,305 HKDSave up to HK$9,240 HKD

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
HK$17,305 HKD