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Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2241066059

Certificate GIA 2241066059

Diamond specifications and retailer prices

From €1,799 EUR
As of November 6, 2026
Save €2,300 EUR (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,100 EUR at MOH London · As of November 7, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2241066059. Listed at 8 retailers as of November 6, 2026, with prices from €1,799 to €4,100, a €2,300 spread on the same certified stone. MOH London lists it at €4,100. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle36.03°
OriginNatural
Grading LabGIA
CertificateGIA 2241066059
Dimensions7.55 × 5.90 × 4.11 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather
Top View
7.55 mm5.90 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2241066059
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 36.03°Culet: 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: Nov 6
Current: €4,100 EUR|Low: €1,799 EUR|High: €4,711 EUR|Avg: €2,969 EUR|-13.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6€1,799 EUR
Retailer 3€2,220 EUR
Retailer 5€2,223 EUR
Retailer 4€2,409 EUR
Retailer 7€2,657 EUR
Retailer 2€3,299 EUR
Retailer 9€3,398 EUR
Retailer 8€3,827 EUR
MOH London€4,100 EUR

30 data points across 9 retailers

8 retailers€1,799 EUR to €4,100 EUR

A
Cheapest Retailer
-
€1,799 EUR
A
Retailer 2
-
€2,220 EUR
View
Retailer 3
-
€2,223 EUR
View
Price last confirmed 3 days ago
A
Retailer 4
-
€2,409 EUR
View
A
Retailer 5
-
€2,657 EUR
View
A
Retailer 6
-
€3,299 EUR
View
Retailer 7
-
€3,827 EUR
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
408F274C1 · Nov 7
€4,100 EUR
£3,604 GBP
View
7 more retailers have this diamond
Prices start from €1,799 EURSave up to €2,300 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
€1,799 EUR