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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

ID • K/SI2 • GIA 2558676335

Certificate GIA 2558676335

Diamond specifications and retailer prices

From €2,246 EUR
As of November 6, 2026
Save €2,719 EUR (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,965 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 2558676335. Listed at 12 retailers as of November 4, 2026, with prices from €2,246 to €4,965, a €2,719 spread on the same certified stone. MOH London lists it at €4,965. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558676335
Dimensions7.60 × 5.83 × 4.00 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
7.60 mm5.83 mm1.50 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558676335
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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: €4,965 EUR|Low: €2,236 EUR|High: €5,087 EUR|Avg: €3,144 EUR|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€2,246 EUR
Retailer 2€2,372 EUR
Retailer 5€2,648 EUR
Retailer 10€2,996 EUR
Retailer 6€3,080 EUR
Retailer 9€3,105 EUR
Retailer 4€3,120 EUR
Retailer 7€3,180 EUR
Retailer 3€3,464 EUR
MOH London€4,965 EUR

32 data points across 10 retailers

12 retailers€2,246 EUR to €4,965 EUR

A
Cheapest Retailer
-
€2,246 EUR
A
Retailer 2
-
€2,372 EUR
View
A
Retailer 3
-
€2,648 EUR
View
B+
Retailer 4
-
€2,788 EUR
View
Retailer 5
-
€2,996 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€3,080 EUR
View
B+
Retailer 7
-
€3,090 EUR
View
B+
Retailer 8
-
€3,105 EUR
View
B+
Retailer 9
-
€3,120 EUR
View
B+
Retailer 10
-
€3,180 EUR
View
B+
Retailer 11
-
€3,464 EUR
View
Most Expensive
B
MOH London
B313B6A2B · Nov 4
€4,965 EUR
£4,365 GBP
View
11 more retailers have this diamond
Prices start from €2,246 EURSave up to €2,719 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
€2,246 EUR