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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 7542750439

Certificate GIA 7542750439

Diamond specifications and retailer prices

From $9,221 NZD
HK$40,600 HKD
As of October 31, 2026
Save $9,133 NZD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $18,354 NZD at Queensmith · As of October 28, 2026
View at Queensmith

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 7542750439. Listed at 18 retailers as of October 28, 2026, with prices from $9,221 to $18,354, a $9,133 spread on the same certified stone. Queensmith lists it at $18,354. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7542750439
Dimensions7.63 × 5.86 × 4.03 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
7.63 mm5.86 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7542750439
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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 31
Current: $18,354 NZD|Low: $9,130 NZD|High: $18,500 NZD|Avg: $12,679 NZD|+1.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 8$9,221 NZD
Retailer 7$9,810 NZD
Retailer 11$10,257 NZD
Retailer 5$10,850 NZD
Retailer 12$11,221 NZD
Retailer 4$11,288 NZD
Retailer 10$11,659 NZD
Retailer 13$11,923 NZD
Retailer 6$11,993 NZD
Retailer 14$12,440 NZD
Retailer 9$13,281 NZD
Retailer 2$14,936 NZD
Retailer 3$18,004 NZD
Queensmith$18,354 NZD

30 data points across 14 retailers

18 retailers$9,221 NZD to $18,354 NZD

A
Cheapest Retailer
-
$9,221 NZD
HK$40,600 HKD
A
Retailer 2
-
$9,810 NZD
₹526,580 INR
View
A
Retailer 3
-
$10,257 NZD
$5,781 USD
View
Retailer 4
-
$10,573 NZD
SGD 8,053 SGD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$10,850 NZD
SGD 8,264 SGD
View
B+
Retailer 6
-
$11,221 NZD
$6,324 USD
View
Final sale: no returns
B+
Retailer 7
-
$11,281 NZD
$6,358 USD
View
B+
Retailer 8
-
$11,285 NZD
$6,360 USD
View
Retailer 9
-
$11,288 NZD
$6,362 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$11,659 NZD
£5,174 GBP
View
B+
Retailer 11
-
$11,923 NZD
$6,720 USD
View
Retailer 12
-
$11,993 NZD
A$10,399 AUD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$12,440 NZD
$7,011 USD
View
B+
Retailer 14
-
$12,765 NZD
A$11,068 AUD
View
B+
Retailer 15
-
$13,281 NZD
€7,129 EUR
View
B+
Retailer 16
-
$14,936 NZD
ZAR 135,990 ZAR
View
B
Retailer 17
-
$18,004 NZD
£7,990 GBP
View
Most Expensive
B
Queensmith
7542750439 · Oct 28
$18,354 NZD
£8,145 GBP
View
17 more retailers have this diamond
Prices start from $9,221 NZDSave up to $9,133 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
$9,221 NZD