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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 1559373415

Certificate GIA 1559373415

Diamond specifications and retailer prices

From €2,258 EUR
As of November 6, 2026
Save €2,738 EUR (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,996 EUR at MOH London · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559373415. Listed at 12 retailers as of November 4, 2026, with prices from €2,258 to €4,996, a €2,738 spread on the same certified stone. MOH London lists it at €4,996. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559373415
Dimensions7.65 × 5.90 × 4.11 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Indented Natural
Top View
7.65 mm5.90 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1559373415
Side View
Table 68.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 69.7%

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: Nov 6
Current: €4,996 EUR|Low: €2,246 EUR|High: €5,100 EUR|Avg: €3,141 EUR|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10€2,258 EUR
Retailer 2€2,386 EUR
Retailer 7€2,665 EUR
Retailer 4€2,985 EUR
Retailer 3€3,014 EUR
Retailer 8€3,102 EUR
Retailer 11€3,124 EUR
Retailer 6€3,140 EUR
Retailer 9€3,198 EUR
Retailer 5€3,487 EUR
MOH London€4,996 EUR

28 data points across 11 retailers

12 retailers€2,258 EUR to €4,996 EUR

A
Cheapest Retailer
-
€2,258 EUR
A
Retailer 2
-
€2,386 EUR
View
A
Retailer 3
-
€2,665 EUR
View
B+
Retailer 4
-
€2,805 EUR
View
B+
Retailer 5
-
€2,985 EUR
View
Retailer 6
-
€3,014 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€3,102 EUR
View
B+
Retailer 8
-
€3,124 EUR
View
B+
Retailer 9
-
€3,140 EUR
View
B+
Retailer 10
-
€3,198 EUR
View
B+
Retailer 11
-
€3,487 EUR
View
Most Expensive
B
MOH London
9336CC951 · Nov 4
€4,996 EUR
£4,392 GBP
View
11 more retailers have this diamond
Prices start from €2,258 EURSave up to €2,738 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
€2,258 EUR