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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1543643600

Certificate GIA 1543643600

Diamond specifications and retailer prices

From $8,433 NZD
$4,753 USD
As of October 30, 2026
Save $8,219 NZD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,652 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543643600. Listed at 15 retailers as of October 28, 2026, with prices from $8,433 to $16,652, a $8,219 spread on the same certified stone. Queensmith lists it at $16,652. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543643600
Dimensions7.50 × 5.83 × 4.07 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Cavity, Needle, Natural
Top View
7.50 mm5.83 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543643600
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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: $16,652 NZD|Low: $8,433 NZD|High: $16,776 NZD|Avg: $11,125 NZD|+1.6%
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
October 30, 2026
Retailer 11$8,433 NZD
Retailer 4$9,046 NZD
Retailer 5$9,193 NZD
Retailer 2$9,532 NZD
Retailer 10$9,647 NZD
Retailer 6$9,817 NZD
Retailer 3$10,273 NZD
Retailer 12$10,273 NZD
Retailer 13$10,628 NZD
Retailer 9$11,128 NZD
Retailer 8$11,398 NZD
Retailer 7$16,150 NZD
Queensmith$16,652 NZD

33 data points across 13 retailers

15 retailers$8,433 NZD to $16,652 NZD

A
Cheapest Retailer
-
$8,433 NZD
$4,753 USD
Final sale: no returns
A
Retailer 2
-
$9,046 NZD
$5,098 USD
View
Retailer 3
-
$9,193 NZD
$5,181 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$9,352 NZD
$5,271 USD
View
A
Retailer 5
-
$9,532 NZD
£4,230 GBP
View
A
Retailer 6
-
$9,647 NZD
$5,437 USD
View
A
Retailer 7
-
$9,817 NZD
£4,357 GBP
View
A
Retailer 8
-
$10,273 NZD
$5,790 USD
View
A
Retailer 9
-
$10,273 NZD
$5,790 USD
View
B+
Retailer 10
-
$10,628 NZD
$5,990 USD
View
B+
Retailer 11
-
$10,942 NZD
A$9,488 AUD
View
Retailer 12
-
$11,128 NZD
$6,272 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$11,398 NZD
€6,118 EUR
View
B
Retailer 14
-
$16,150 NZD
£7,167 GBP
View
Most Expensive
B
Queensmith
1543643600 · Oct 28
$16,652 NZD
£7,390 GBP
View
14 more retailers have this diamond
Prices start from $8,433 NZDSave up to $8,219 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
$8,433 NZD