Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2556001331

Certificate GIA 2556001331

Diamond specifications and retailer prices

From €4,835 EUR
HK$42,200 HKD
As of October 31, 2026
Save €4,594 EUR (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €9,429 EUR 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 €4,835 to €9,429, a €4,594 spread on the same certified stone. Wholesale Diamonds Direct lists it at €9,429. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,908 EUR|Low: €4,704 EUR|High: €9,429 EUR|Avg: €6,531 EUR|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 31, 2026
Retailer 5€4,835 EUR
Retailer 1€4,908 EUR
Retailer 12€5,540 EUR
Retailer 9€5,710 EUR
Retailer 2€5,718 EUR
Retailer 4€5,718 EUR
Retailer 7€5,941 EUR
Retailer 3€6,075 EUR
Retailer 11€6,467 EUR
Retailer 6€6,769 EUR
Retailer 8€7,543 EUR
Retailer 10€9,138 EUR
Wholesale Diamonds Direct€9,429 EUR

38 data points across 13 retailers

19 retailers€4,835 EUR to €9,429 EUR

A
Cheapest Retailer
-
€4,835 EUR
HK$42,200 HKD
A
Retailer 2
-
€4,908 EUR
₹522,211 INR
View
A
Retailer 3
-
€5,289 EUR
$5,909 USD
View
A
Retailer 4
-
€5,403 EUR
$6,036 USD
View
Retailer 5
-
€5,509 EUR
SGD 8,317 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€5,540 EUR
SGD 8,364 SGD
View
Retailer 7
-
€5,709 EUR
$6,378 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
€5,710 EUR
$6,379 USD
View
B+
Retailer 9
-
€5,718 EUR
$6,388 USD
View
Final sale: no returns
Retailer 10
-
€5,718 EUR
$6,388 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
€5,738 EUR
$6,410 USD
View
B+
Retailer 12
-
€5,941 EUR
£5,226 GBP
View
Retailer 13
-
€6,075 EUR
A$10,441 AUD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
€6,338 EUR
$7,080 USD
View
B+
Retailer 15
-
€6,467 EUR
$7,225 USD
View
B+
Retailer 16
-
€6,769 EUR
View
B+
Retailer 17
-
€7,543 EUR
ZAR 136,136 ZAR
View
B
Retailer 18
-
€9,138 EUR
£8,039 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
594101091 · Oct 27
€9,429 EUR
$10,534 USD
View
18 more retailers have this diamond
Prices start from €4,835 EURSave up to €4,594 EUR

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
€4,835 EUR