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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2556001331

Certificate GIA 2556001331

Diamond specifications and retailer prices

From HK$41,981 HKD
As of October 29, 2026
Save HK$40,669 HKD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$82,651 HKD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556001331. Listed at 19 retailers as of October 27, 2026, with prices from HK$41,981 to HK$82,651, a HK$40,669 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$82,651. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.13°
Pavilion angle57.03°
OriginNatural
Grading LabGIA
CertificateGIA 2556001331
Dimensions7.59 × 5.98 × 4.15 mm
L/W Ratio1.27
Top View
7.59 mm5.98 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556001331
Side View
Table 66.0%Crown 42.13°Girdle: STK-VTKPavilion 57.03°Culet: NoneDepth 69.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: HK$51,914 HKD|Low: HK$41,233 HKD|High: HK$82,651 HKD|Avg: HK$57,466 HKD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 29, 2026
Retailer 4HK$43,206 HKD
Retailer 10HK$48,564 HKD
Retailer 7HK$50,052 HKD
Retailer 3HK$50,123 HKD
Retailer 11HK$50,123 HKD
Retailer 1HK$51,914 HKD
Retailer 2HK$53,250 HKD
Retailer 9HK$56,692 HKD
Retailer 5HK$59,245 HKD
Retailer 6HK$66,120 HKD
Retailer 8HK$80,108 HKD
Wholesale Diamonds DirectHK$82,651 HKD

39 data points across 12 retailers

19 retailersHK$41,981 HKD to HK$82,651 HKD

A
Cheapest Retailer
-
HK$41,981 HKD
A
Retailer 2
-
HK$43,206 HKD
₹524,427 INR
View
A
Retailer 3
-
HK$46,364 HKD
$5,909 USD
View
A
Retailer 4
-
HK$47,361 HKD
$6,036 USD
View
B+
Retailer 5
-
HK$48,291 HKD
SGD 8,317 SGD
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$48,564 HKD
SGD 8,364 SGD
View
B+
Retailer 7
-
HK$50,044 HKD
$6,378 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
HK$50,052 HKD
$6,379 USD
View
B+
Retailer 9
-
HK$50,123 HKD
$6,388 USD
View
Final sale: no returns
B+
Retailer 10
-
HK$50,123 HKD
$6,388 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
HK$50,295 HKD
$6,410 USD
View
B+
Retailer 12
-
HK$51,914 HKD
£5,210 GBP
View
B+
Retailer 13
-
HK$53,250 HKD
A$10,441 AUD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
HK$55,556 HKD
$7,080 USD
View
B+
Retailer 15
-
HK$56,692 HKD
$7,225 USD
View
B+
Retailer 16
-
HK$59,245 HKD
€7,191 EUR
View
B+
Retailer 17
-
HK$66,120 HKD
ZAR 136,136 ZAR
View
B
Retailer 18
-
HK$80,108 HKD
£8,039 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
594101091 · Oct 27
HK$82,651 HKD
$10,534 USD
View
18 more retailers have this diamond
Prices start from HK$41,981 HKDSave up to HK$40,669 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.

A
1.50ct Cushion
HK$41,981 HKD