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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1553446315

Certificate GIA 1553446315

Diamond specifications and retailer prices

From €2,768 EUR
As of November 6, 2026
Save €3,365 EUR (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,132 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 H 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 1553446315. Listed at 17 retailers as of November 4, 2026, with prices from €2,768 to €6,132, a €3,365 spread on the same certified stone. MOH London lists it at €6,132. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553446315
Dimensions7.32 × 5.86 × 3.97 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.32 mm5.86 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553446315
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.8%

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: €6,132 EUR|Low: €2,768 EUR|High: €6,436 EUR|Avg: €3,974 EUR|-4.5%
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
November 7, 2026
Retailer 8€2,768 EUR
Retailer 6€2,923 EUR
Retailer 12€3,139 EUR
Retailer 15€3,139 EUR
Retailer 3€3,234 EUR
Retailer 9€3,445 EUR
Retailer 13€3,502 EUR
Retailer 2€3,733 EUR
Retailer 4€3,808 EUR
Retailer 14€3,897 EUR
Retailer 10€4,042 EUR
Retailer 5€4,048 EUR
Retailer 7€4,056 EUR
Retailer 11€4,487 EUR
MOH London€6,132 EUR

33 data points across 15 retailers

17 retailers€2,768 EUR to €6,132 EUR

A
Cheapest Retailer
-
€2,768 EUR
A
Retailer 2
-
€2,923 EUR
View
Final sale: no returns
A
Retailer 3
-
€3,139 EUR
View
A
Retailer 4
-
€3,139 EUR
View
A
Retailer 5
-
€3,234 EUR
View
A
Retailer 6
-
€3,445 EUR
View
A
Retailer 7
-
€3,502 EUR
View
A
Retailer 8
-
€3,535 EUR
View
A
Retailer 9
-
€3,733 EUR
View
Retailer 10
-
€3,802 EUR
View
Price last confirmed 22 days ago
A
Retailer 11
-
€3,808 EUR
View
A
Retailer 12
-
€3,897 EUR
View
A
Retailer 13
-
€4,042 EUR
View
B+
Retailer 14
-
€4,048 EUR
View
Retailer 15
-
€4,056 EUR
View
Price last confirmed 29 days ago
B+
Retailer 16
-
€4,487 EUR
View
Most Expensive
B+
MOH London
490120D5A · Nov 4
€6,132 EUR
£5,391 GBP
View
16 more retailers have this diamond
Prices start from €2,768 EURSave up to €3,365 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
€2,768 EUR