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Cushion|Natural|GIA

3.50ct M SI1 Cushion Natural Diamond

M/SI1 • GIA 1555767528

Certificate GIA 1555767528

Diamond specifications and retailer prices

From HK$129,670 HKD
As of November 7, 2026
Save HK$24,836 HKD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$154,506 HKD at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 3.5ct natural cushion diamond

This 3.5ct natural cushion sits in the three to five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 1555767528. Listed at 6 retailers as of November 6, 2026, with prices from HK$129,670 to HK$154,506, a HK$24,836 spread on the same certified stone. Cape Diamonds lists it at HK$154,506. 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

3.50
Carat
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555767528
Dimensions12.03 × 8.38 × 3.95 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
12.03 mm8.38 mm3.50 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555767528
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 47.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: HK$154,506 HKD|Low: HK$129,670 HKD|High: HK$167,314 HKD|Avg: HK$144,228 HKD|-7.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5HK$129,670 HKD
Retailer 2HK$132,601 HKD
Retailer 6HK$134,270 HKD
Retailer 3HK$144,804 HKD
Retailer 4HK$147,202 HKD
Cape DiamondsHK$154,506 HKD

45 data points across 6 retailers

6 retailersHK$129,670 HKD to HK$154,506 HKD

B
Cheapest Retailer
-
HK$129,670 HKD
B
Retailer 2
-
HK$132,601 HKD
View
Retailer 3
-
HK$134,270 HKD
View
Price last confirmed 22 days ago
B
Retailer 4
-
HK$144,804 HKD
View
B
Retailer 5
-
HK$147,202 HKD
View
Most Expensive
B
Cape Diamonds
cert_1555767528 · Nov 6
HK$154,506 HKD
ZAR 318,481 ZAR
View
5 more retailers have this diamond
Prices start from HK$129,670 HKDSave up to HK$24,836 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
3.50ct Cushion
HK$129,670 HKD