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Cushion|Natural|GIA

0.90ct F I1 Cushion Natural Diamond

ID • F/I1 • GIA 1438407141

Certificate GIA 1438407141

Diamond specifications and retailer prices

From £439 GBP
HK$4,600 HKD
As of November 1, 2026
Save £425 GBP (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £864 GBP at Yorxs · As of October 31, 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 F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1438407141. Listed at 6 retailers as of October 31, 2026, with prices from £439 to £864, a £425 spread on the same certified stone. Yorxs lists it at £864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
F
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1438407141
Dimensions5.46 × 5.38 × 3.77 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.46 mm5.38 mm0.90 ctF / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1438407141
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.0%

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: £485 GBP|Low: £439 GBP|High: £889 GBP|Avg: £668 GBP|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 2, 2026
Retailer 5£439 GBP
Retailer 1£485 GBP
Retailer 3£611 GBP
Retailer 2£619 GBP
Retailer 4£745 GBP
Yorxs£864 GBP
Retailer 6£889 GBP

44 data points across 7 retailers

6 retailers£439 GBP to £864 GBP

A
Cheapest Retailer
-
£439 GBP
HK$4,600 HKD
A
Retailer 2
-
£485 GBP
₹61,895 INR
View
Retailer 3
-
£611 GBP
$819 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£619 GBP
$830 USD
View
B+
Retailer 5
-
£745 GBP
$998 USD
View
Most Expensive
B+
Yorxs
7DA35BBE2 · Oct 31
£864 GBP
€1,103 EUR
View
5 more retailers have this diamond
Prices start from £439 GBPSave up to £425 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
£439 GBP