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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 $9,493 NZD
HK$41,800 HKD
As of October 30, 2026
Save $9,197 NZD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,690 NZD 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 $9,493 to $18,690, a $9,197 spread on the same certified stone. Wholesale Diamonds Direct lists it at $18,690. 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: $13,417 NZD|Low: $9,324 NZD|High: $18,690 NZD|Avg: $12,920 NZD|+2.6%
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 31, 2026
Retailer 5$9,763 NZD
Retailer 10$10,982 NZD
Retailer 7$11,318 NZD
Retailer 3$11,334 NZD
Retailer 11$11,334 NZD
Retailer 4$11,776 NZD
Retailer 2$12,041 NZD
Retailer 9$12,820 NZD
Retailer 1$13,417 NZD
Retailer 6$14,952 NZD
Retailer 8$18,115 NZD
Wholesale Diamonds Direct$18,690 NZD

39 data points across 12 retailers

19 retailers$9,493 NZD to $18,690 NZD

A
Cheapest Retailer
-
$9,493 NZD
HK$41,800 HKD
A
Retailer 2
-
$9,763 NZD
₹524,029 INR
View
A
Retailer 3
-
$10,484 NZD
$5,909 USD
View
A
Retailer 4
-
$10,710 NZD
$6,036 USD
View
Retailer 5
-
$10,920 NZD
SGD 8,317 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$10,982 NZD
SGD 8,364 SGD
View
Retailer 7
-
$11,316 NZD
$6,378 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$11,318 NZD
$6,379 USD
View
B+
Retailer 9
-
$11,334 NZD
$6,388 USD
View
Final sale: no returns
Retailer 10
-
$11,334 NZD
$6,388 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$11,373 NZD
$6,410 USD
View
B+
Retailer 12
-
$11,776 NZD
£5,226 GBP
View
Retailer 13
-
$12,041 NZD
A$10,441 AUD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
$12,563 NZD
$7,080 USD
View
B+
Retailer 15
-
$12,820 NZD
$7,225 USD
View
B+
Retailer 16
-
$13,417 NZD
€7,202 EUR
View
B+
Retailer 17
-
$14,952 NZD
ZAR 136,136 ZAR
View
B
Retailer 18
-
$18,115 NZD
£8,039 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
594101091 · Oct 27
$18,690 NZD
$10,534 USD
View
18 more retailers have this diamond
Prices start from $9,493 NZDSave up to $9,197 NZD

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
$9,493 NZD