CaratHunter
Plans
Cushion|Natural|GIA

1.53ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2554110771

Certificate GIA 2554110771

Diamond specifications and retailer prices

From £2,121 GBP
A$4,379 AUD
As of November 1, 2026
Save £2,081 GBP (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,202 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct natural cushion diamond

This 1.53ct 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 2554110771. Listed at 6 retailers as of November 1, 2026, with prices from £2,121 to £4,202, a £2,081 spread on the same certified stone. MOH London lists it at £4,202. 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

1.53
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554110771
Dimensions7.31 × 5.82 × 4.01 mm
L/W Ratio1.26
Top View
7.31 mm5.82 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554110771
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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: £4,202 GBP|Low: £2,049 GBP|High: £4,894 GBP|Avg: £2,982 GBP|-13.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5£2,121 GBP
Retailer 6£2,320 GBP
Retailer 2£2,384 GBP
Retailer 4£2,429 GBP
Retailer 3£2,941 GBP
MOH London£4,202 GBP

42 data points across 6 retailers

6 retailers£2,121 GBP to £4,202 GBP

A
Cheapest Retailer
-
£2,121 GBP
A$4,379 AUD
A
Retailer 2
-
£2,320 GBP
$3,113 USD
View
Final sale: no returns
A
Retailer 3
-
£2,384 GBP
View
A
Retailer 4
-
£2,429 GBP
$3,259 USD
View
A
Retailer 5
-
£2,941 GBP
€3,759 EUR
View
Most Expensive
B+
MOH London
F0262837E · Nov 1
£4,202 GBP
View
5 more retailers have this diamond
Prices start from £2,121 GBPSave up to £2,081 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
1.53ct Cushion
£2,121 GBP