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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

GD • K/SI2 • GIA 6552178766

Certificate GIA 6552178766

Diamond specifications and retailer prices

From €1,614 EUR
As of November 6, 2026
Save €2,107 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,721 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6552178766. Listed at 11 retailers as of November 4, 2026, with prices from €1,614 to €3,721, a €2,107 spread on the same certified stone. MOH London lists it at €3,721. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552178766
Dimensions7.60 × 5.97 × 4.16 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
7.60 mm5.97 mm1.50 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552178766
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.7%

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: Nov 6
Current: €3,721 EUR|Low: €1,614 EUR|High: €3,751 EUR|Avg: €2,405 EUR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2€1,614 EUR
Retailer 3€2,122 EUR
Retailer 5€2,253 EUR
Retailer 4€2,644 EUR
MOH London€3,721 EUR

29 data points across 5 retailers

11 retailers€1,614 EUR to €3,721 EUR

A
Cheapest Retailer
-
€1,614 EUR
B+
Retailer 2
-
€1,923 EUR
View
B+
Retailer 3
-
€2,099 EUR
View
B+
Retailer 4
-
€2,122 EUR
View
Retailer 5
-
€2,130 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€2,253 EUR
View
B+
Retailer 7
-
€2,296 EUR
View
B+
Retailer 8
-
€2,312 EUR
View
Retailer 9
-
€2,481 EUR
View
Price last confirmed 38 days ago
B+
Retailer 10
-
€2,644 EUR
View
Most Expensive
B
MOH London
537817708 · Nov 4
€3,721 EUR
£3,271 GBP
View
10 more retailers have this diamond
Prices start from €1,614 EURSave up to €2,107 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
€1,614 EUR