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Cushion|Natural|GIA

1.53ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 3555199650

Certificate GIA 3555199650

Diamond specifications and retailer prices

From £7,358 GBP
$9,799 USD
As of October 28, 2026
Save £5,093 GBP (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £12,451 GBP at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555199650. Listed at 12 retailers as of October 28, 2026, with prices from £7,358 to £12,451, a £5,093 spread on the same certified stone. MOH London lists it at £12,451. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3555199650
Dimensions7.66 × 5.89 × 4.22 mm
L/W Ratio1.30
Top View
7.66 mm5.89 mm1.53 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3555199650
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 71.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £12,451 GBP|Low: £6,609 GBP|High: £12,534 GBP|Avg: £9,134 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8£7,358 GBP
Retailer 10£7,832 GBP
Retailer 6£7,931 GBP
Retailer 7£7,931 GBP
Retailer 2£8,543 GBP
Retailer 5£8,615 GBP
Retailer 3£9,977 GBP
Retailer 9£10,433 GBP
Retailer 4£11,589 GBP
MOH London£12,451 GBP

44 data points across 10 retailers

12 retailers£7,358 GBP to £12,451 GBP

B+
Cheapest Retailer
-
£7,358 GBP
$9,799 USD
B
Retailer 2
-
£7,832 GBP
$10,430 USD
View
B
Retailer 3
-
£7,931 GBP
$10,561 USD
View
Final sale: no returns
B
Retailer 4
-
£7,931 GBP
$10,561 USD
View
B
Retailer 5
-
£8,069 GBP
$10,745 USD
View
B
Retailer 6
-
£8,543 GBP
View
B
Retailer 7
-
£8,615 GBP
A$17,651 AUD
View
B
Retailer 8
-
£9,661 GBP
$12,865 USD
View
B
Retailer 9
-
£9,977 GBP
€12,653 EUR
View
B
Retailer 10
-
£10,433 GBP
$13,894 USD
View
B
Retailer 11
-
£11,589 GBP
ZAR 249,310 ZAR
View
Most Expensive
B
MOH London
F33F3FCD0 · Oct 29
£12,451 GBP
View
11 more retailers have this diamond
Prices start from £7,358 GBPSave up to £5,093 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.

B+
1.53ct Cushion
£7,358 GBP