Cushion|Natural|GIA

1.54ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542639501

Certificate GIA 6542639501

Diamond specifications and retailer prices

From €1,536 EUR
As of November 6, 2026
Save €2,394 EUR (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,930 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542639501. Listed at 17 retailers as of November 2, 2026, with prices from €1,536 to €3,930, a €2,394 spread on the same certified stone. MOH London lists it at €3,930. 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

1.54
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 6542639501
Dimensions7.19 × 6.23 × 4.35 mm
L/W Ratio1.15
Top View
7.19 mm6.23 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542639501
Side View
Table 66.0%CrownGirdle: STK-VTKPavilion 39°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: €3,930 EUR|Low: €1,536 EUR|High: €4,227 EUR|Avg: €2,608 EUR|-7.0%
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 6, 2026
Retailer 10€1,536 EUR
Retailer 2€1,843 EUR
Retailer 11€1,936 EUR
Retailer 14€2,132 EUR
Retailer 13€2,154 EUR
Retailer 15€2,169 EUR
Retailer 4€2,176 EUR
Retailer 5€2,235 EUR
Retailer 9€2,445 EUR
Retailer 12€2,479 EUR
Retailer 7€2,483 EUR
Retailer 6€2,605 EUR
Retailer 3€2,737 EUR
Retailer 8€3,313 EUR
MOH London€3,930 EUR

23 data points across 15 retailers

17 retailers€1,536 EUR to €3,930 EUR

A
Cheapest Retailer
-
€1,536 EUR
A
Retailer 2
-
€1,843 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,936 EUR
View
A
Retailer 4
-
€2,132 EUR
View
A
Retailer 5
-
€2,154 EUR
View
A
Retailer 6
-
€2,169 EUR
View
A
Retailer 7
-
€2,176 EUR
View
A
Retailer 8
-
€2,235 EUR
View
A
Retailer 9
-
€2,445 EUR
View
A
Retailer 10
-
€2,479 EUR
View
A
Retailer 11
-
€2,483 EUR
View
A
Retailer 12
-
€2,483 EUR
View
B+
Retailer 13
-
€2,601 EUR
View
Retailer 14
-
€2,605 EUR
View
Price last confirmed 18 days ago
A
Retailer 15
-
€2,737 EUR
View
B+
Retailer 16
-
€3,313 EUR
View
Most Expensive
B+
MOH London
09CFFAEBB · Nov 2
€3,930 EUR
£3,455 GBP
View
16 more retailers have this diamond
Prices start from €1,536 EURSave up to €2,394 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
1.54ct Cushion
€1,536 EUR