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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1246005803

Certificate GIA 1246005803

Diamond specifications and retailer prices

From €3,116 EUR
HK$27,200 HKD
As of October 31, 2026
Save €3,846 EUR (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,963 EUR at MOH London · As of October 29, 2026
View at MOH London

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 1246005803. Listed at 19 retailers as of October 29, 2026, with prices from €3,116 to €6,963, a €3,846 spread on the same certified stone. MOH London lists it at €6,963. 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
OriginNatural
Grading LabGIA
CertificateGIA 1246005803
Dimensions6.86 × 6.28 × 4.32 mm
L/W Ratio1.09
Girdle conditionFaceted
Top View
6.86 mm6.28 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246005803
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.8%

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: €6,963 EUR|Low: €3,093 EUR|High: €7,198 EUR|Avg: €4,225 EUR|-3.3%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 2€3,116 EUR
Retailer 9€3,191 EUR
Retailer 17€3,364 EUR
Retailer 18€3,564 EUR
Retailer 5€3,591 EUR
Retailer 3€3,636 EUR
Retailer 13€3,663 EUR
Retailer 6€3,733 EUR
Retailer 8€3,749 EUR
Retailer 7€3,795 EUR
Retailer 16€3,795 EUR
Retailer 12€3,902 EUR
Retailer 14€4,169 EUR
Retailer 10€4,502 EUR
Retailer 11€4,921 EUR
Retailer 15€5,248 EUR
Retailer 4€6,679 EUR
MOH London€6,963 EUR

24 data points across 18 retailers

19 retailers€3,116 EUR to €6,963 EUR

A
Cheapest Retailer
-
€3,116 EUR
HK$27,200 HKD
A
Retailer 2
-
€3,191 EUR
$3,565 USD
View
A
Retailer 3
-
€3,364 EUR
$3,758 USD
View
A
Retailer 4
-
€3,564 EUR
$3,982 USD
View
A
Retailer 5
-
€3,591 EUR
$4,012 USD
View
A
Retailer 6
-
€3,636 EUR
$4,062 USD
View
Final sale: no returns
A
Retailer 7
-
€3,663 EUR
View
A
Retailer 8
-
€3,733 EUR
$4,170 USD
View
A
Retailer 9
-
€3,749 EUR
$4,188 USD
View
A
Retailer 10
-
€3,795 EUR
$4,240 USD
View
A
Retailer 11
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€3,795 EUR
$4,240 USD
View
A
Retailer 12
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€3,902 EUR
£3,433 GBP
View
A
Retailer 13
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€4,169 EUR
$4,658 USD
View
Retailer 14
-
€4,502 EUR
A$7,738 AUD
View
Price last confirmed 21 days ago
A
Retailer 15
-
€4,711 EUR
A$8,098 AUD
View
A
Retailer 16
-
€4,921 EUR
View
Retailer 17
-
€5,248 EUR
ZAR 94,721 ZAR
View
Price last confirmed 8 days ago
Retailer 18
-
€6,679 EUR
$7,461 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
MOH London
1FAD8C3DB · Oct 29
€6,963 EUR
£6,125 GBP
View
18 more retailers have this diamond
Prices start from €3,116 EURSave up to €3,846 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
€3,116 EUR