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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 $6,840 SGD
HK$41,800 HKD
As of October 30, 2026
Save $6,626 SGD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,466 SGD 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 $6,840 to $13,466, a $6,626 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,466. 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 30
Current: $7,034 SGD|Low: $6,718 SGD|High: $13,466 SGD|Avg: $9,297 SGD|+0.4%
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 30, 2026
Retailer 1$7,034 SGD
Retailer 10$7,912 SGD
Retailer 7$8,155 SGD
Retailer 3$8,166 SGD
Retailer 11$8,166 SGD
Retailer 4$8,484 SGD
Retailer 2$8,676 SGD
Retailer 9$9,237 SGD
Retailer 5$9,653 SGD
Retailer 6$10,773 SGD
Retailer 8$13,052 SGD
Wholesale Diamonds Direct$13,466 SGD

39 data points across 12 retailers

19 retailers$6,840 SGD to $13,466 SGD

A
Cheapest Retailer
-
$6,840 SGD
HK$41,800 HKD
A
Retailer 2
-
$7,034 SGD
₹524,029 INR
View
A
Retailer 3
-
$7,554 SGD
$5,909 USD
View
A
Retailer 4
-
$7,716 SGD
$6,036 USD
View
Retailer 5
-
$7,868 SGD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$7,912 SGD
View
Retailer 7
-
$8,154 SGD
$6,378 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$8,155 SGD
$6,379 USD
View
B+
Retailer 9
-
$8,166 SGD
$6,388 USD
View
Final sale: no returns
Retailer 10
-
$8,166 SGD
$6,388 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$8,195 SGD
$6,410 USD
View
B+
Retailer 12
-
$8,484 SGD
£5,226 GBP
View
Retailer 13
-
$8,676 SGD
A$10,441 AUD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$9,052 SGD
$7,080 USD
View
B+
Retailer 15
-
$9,237 SGD
$7,225 USD
View
B+
Retailer 16
-
$9,653 SGD
€7,191 EUR
View
B+
Retailer 17
-
$10,773 SGD
ZAR 136,136 ZAR
View
B
Retailer 18
-
$13,052 SGD
£8,039 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
594101091 · Oct 27
$13,466 SGD
$10,534 USD
View
18 more retailers have this diamond
Prices start from $6,840 SGDSave up to $6,626 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 Cushion
$6,840 SGD