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Cushion|Natural|GIA

1.53ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1545862532

Certificate GIA 1545862532

Diamond specifications and retailer prices

From £2,423 GBP
HK$25,400 HKD
As of November 2, 2026
Save £2,788 GBP (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,211 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 1545862532. Listed at 20 retailers as of November 1, 2026, with prices from £2,423 to £5,211, a £2,788 spread on the same certified stone. MOH London lists it at £5,211. 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
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 1545862532
Dimensions6.67 × 6.67 × 4.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.67 mm6.67 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545862532
Side View
Table 65.0%CrownGirdle: MED-THKPavilion 38.4°Culet: NoneDepth 65.6%

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: £5,211 GBP|Low: £2,385 GBP|High: £5,350 GBP|Avg: £3,189 GBP|-2.6%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 2£2,423 GBP
Retailer 7£2,615 GBP
Retailer 9£2,739 GBP
Retailer 17£2,748 GBP
Retailer 3£2,756 GBP
Retailer 16£2,906 GBP
Retailer 14£2,921 GBP
Retailer 10£2,951 GBP
Retailer 18£2,984 GBP
Retailer 11£3,003 GBP
Retailer 6£3,151 GBP
Retailer 13£3,201 GBP
Retailer 5£3,226 GBP
Retailer 15£3,238 GBP
Retailer 12£3,581 GBP
Retailer 4£3,860 GBP
Retailer 8£5,057 GBP
MOH London£5,211 GBP

19 data points across 18 retailers

20 retailers£2,423 GBP to £5,211 GBP

A
Cheapest Retailer
-
£2,423 GBP
HK$25,400 HKD
A
Retailer 2
-
£2,615 GBP
$3,509 USD
View
A
Retailer 3
-
£2,739 GBP
$3,676 USD
View
A
Retailer 4
-
£2,748 GBP
$3,688 USD
View
A
Retailer 5
-
£2,756 GBP
€3,522 EUR
View
A
Retailer 6
-
£2,906 GBP
$3,900 USD
View
A
Retailer 7
-
£2,921 GBP
$3,920 USD
View
Final sale: no returns
A
Retailer 8
-
£2,951 GBP
$3,960 USD
View
A
Retailer 9
-
£2,984 GBP
$4,005 USD
View
A
Retailer 10
-
£3,003 GBP
View
A
Retailer 11
-
£3,151 GBP
$4,229 USD
View
A
Retailer 12
-
£3,201 GBP
$4,296 USD
View
A
Retailer 13
-
£3,226 GBP
$4,329 USD
View
A
Retailer 14
-
£3,238 GBP
View
B+
Retailer 15
-
£3,361 GBP
A$6,938 AUD
View
Retailer 16
-
£3,428 GBP
A$7,076 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
£3,581 GBP
€4,577 EUR
View
B+
Retailer 18
-
£3,860 GBP
ZAR 83,679 ZAR
View
Retailer 19
-
£5,057 GBP
$6,786 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
F7D246D52 · Nov 1
£5,211 GBP
View
19 more retailers have this diamond
Prices start from £2,423 GBPSave up to £2,788 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
£2,423 GBP