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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 €4,254 EUR
$4,753 USD
As of October 29, 2026
Save €4,146 EUR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €8,401 EUR 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 €4,254 to €8,401, a €4,146 spread on the same certified stone. Queensmith lists it at €8,401. 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 29
Current: €8,401 EUR|Low: €4,254 EUR|High: €8,463 EUR|Avg: €5,612 EUR|+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€4,254 EUR
Retailer 4€4,563 EUR
Retailer 5€4,637 EUR
Retailer 2€4,809 EUR
Retailer 10€4,867 EUR
Retailer 6€4,952 EUR
Retailer 3€5,183 EUR
Retailer 12€5,183 EUR
Retailer 13€5,362 EUR
Retailer 9€5,614 EUR
Retailer 8€5,750 EUR
Retailer 7€8,147 EUR
Queensmith€8,401 EUR

33 data points across 13 retailers

15 retailers€4,254 EUR to €8,401 EUR

A
Cheapest Retailer
-
€4,254 EUR
$4,753 USD
Final sale: no returns
A
Retailer 2
-
€4,563 EUR
$5,098 USD
View
Retailer 3
-
€4,637 EUR
$5,181 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
€4,718 EUR
$5,271 USD
View
A
Retailer 5
-
€4,809 EUR
£4,230 GBP
View
A
Retailer 6
-
€4,867 EUR
$5,437 USD
View
A
Retailer 7
-
€4,952 EUR
£4,357 GBP
View
A
Retailer 8
-
€5,183 EUR
$5,790 USD
View
A
Retailer 9
-
€5,183 EUR
$5,790 USD
View
B+
Retailer 10
-
€5,362 EUR
$5,990 USD
View
B+
Retailer 11
-
€5,520 EUR
A$9,488 AUD
View
Retailer 12
-
€5,614 EUR
$6,272 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€5,750 EUR
View
B
Retailer 14
-
€8,147 EUR
£7,167 GBP
View
Most Expensive
B
Queensmith
1543643600 · Oct 28
€8,401 EUR
£7,390 GBP
View
14 more retailers have this diamond
Prices start from €4,254 EURSave up to €4,146 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
€4,254 EUR