Cushion|Natural|GIA

0.90ct E I1 Cushion Natural Diamond

EX • E/I1 • GIA 6411315325

Certificate GIA 6411315325

Diamond specifications and retailer prices

From £590 GBP
$790 USD
As of October 28, 2026
Save £392 GBP (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £982 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6411315325. Listed at 7 retailers as of October 28, 2026, with prices from £590 to £982, a £392 spread on the same certified stone. Yorxs lists it at £982. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
E
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6411315325
Dimensions5.50 × 5.20 × 3.79 mm
L/W Ratio1.06
Top View
5.50 mm5.20 mm0.90 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 6411315325
Side View
Table 64.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 72.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £776 GBP|Low: £524 GBP|High: £1,049 GBP|Avg: £782 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
October 29, 2026
Retailer 6£590 GBP
Retailer 2£633 GBP
Retailer 3£641 GBP
Retailer 7£714 GBP
Retailer 1£776 GBP
Retailer 5£776 GBP
Retailer 4£799 GBP
Yorxs£982 GBP
Retailer 8£1,049 GBP

22 data points across 9 retailers

7 retailers£590 GBP to £982 GBP

A
Cheapest Retailer
-
£590 GBP
$790 USD
A
Retailer 2
-
£633 GBP
$848 USD
View
A
Retailer 3
-
£641 GBP
$859 USD
View
A
Retailer 4
-
£776 GBP
$1,040 USD
View
A
Retailer 5
-
£776 GBP
$1,040 USD
View
B+
Retailer 6
-
£799 GBP
$1,070 USD
View
Most Expensive
B+
Yorxs
F69CDA312 · Oct 29
£982 GBP
€1,253 EUR
View
6 more retailers have this diamond
Prices start from £590 GBPSave up to £392 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
0.90ct Cushion
£590 GBP