Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2557536295

Certificate GIA 2557536295

Diamond specifications and retailer prices

From €2,847 EUR
A$4,912 AUD
As of November 1, 2026
Save €2,847 EUR (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €5,693 EUR at MOH London · As of October 29, 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 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 2557536295. Listed at 6 retailers as of October 29, 2026, with prices from €2,847 to €5,693, a €2,847 spread on the same certified stone. MOH London lists it at €5,693. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557536295
Dimensions7.58 × 5.76 × 3.97 mm
L/W Ratio1.32
Key to symbols
Twinning Wisp, Feather, Needle
Top View
7.58 mm5.76 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557536295
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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 1
Current: €5,693 EUR|Low: €2,734 EUR|High: €6,399 EUR|Avg: €4,001 EUR|-11.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5€3,126 EUR
Retailer 4€3,210 EUR
Retailer 2€3,213 EUR
Retailer 3€3,964 EUR
MOH London€5,693 EUR

41 data points across 5 retailers

6 retailers€2,847 EUR to €5,693 EUR

A
Cheapest Retailer
-
€2,847 EUR
A$4,912 AUD
A
Retailer 2
-
€3,126 EUR
$3,506 USD
View
Final sale: no returns
A
Retailer 3
-
€3,210 EUR
$3,600 USD
View
A
Retailer 4
-
€3,213 EUR
£2,838 GBP
View
A
Retailer 5
-
€3,964 EUR
View
Most Expensive
B
MOH London
0D2FFEE6F · Oct 29
€5,693 EUR
£5,028 GBP
View
5 more retailers have this diamond
Prices start from €2,847 EURSave up to €2,847 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
€2,847 EUR