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Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1553372502

Certificate GIA 1553372502

Diamond specifications and retailer prices

From £3,211 GBP
$4,309 USD
As of November 2, 2026
Save £2,547 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,758 GBP at MOH London · As of November 1, 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 1553372502. Listed at 7 retailers as of November 1, 2026, with prices from £3,211 to £5,758, a £2,547 spread on the same certified stone. MOH London lists it at £5,758. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553372502
Dimensions7.47 × 5.73 × 4.01 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.47 mm5.73 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553372502
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.9%

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 2
Current: £5,758 GBP|Low: £2,963 GBP|High: £6,256 GBP|Avg: £4,013 GBP|-6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£2,965 GBP
Retailer 5£3,211 GBP
Retailer 6£3,435 GBP
Retailer 4£3,588 GBP
Retailer 3£3,595 GBP
Retailer 2£4,091 GBP
MOH London£5,758 GBP

46 data points across 7 retailers

7 retailers£3,211 GBP to £5,758 GBP

Retailer 1
-
£2,965 GBP
₹378,956 INR
Price last confirmed 17 days ago
A
Retailer 2
-
£3,211 GBP
$4,309 USD
View
Retailer 3
-
£3,435 GBP
$4,609 USD
View
Price last confirmed 13 days ago
Retailer 4
-
£3,588 GBP
$4,815 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£3,595 GBP
View
B+
Retailer 6
-
£4,091 GBP
€5,228 EUR
View
Most Expensive
B
MOH London
9D759046B · Nov 1
£5,758 GBP
View
6 more retailers have this diamond
Prices start from £3,211 GBPSave up to £2,547 GBP

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
£3,211 GBP