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Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

GD • J/SI1 • GIA 6265325423

Certificate GIA 6265325423

Diamond specifications and retailer prices

From £1,308 GBP
$1,755 USD
As of November 1, 2026
Save £1,582 GBP (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,890 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6265325423. Listed at 20 retailers as of November 1, 2026, with prices from £1,308 to £2,890, a £1,582 spread on the same certified stone. MOH London lists it at £2,890. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
J
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6265325423
Dimensions5.45 × 5.33 × 3.56 mm
L/W Ratio1.02
Top View
5.45 mm5.33 mm0.90 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6265325423
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,890 GBP|Low: £1,150 GBP|High: £2,924 GBP|Avg: £1,806 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6£1,308 GBP
Retailer 11£1,337 GBP
Retailer 7£1,379 GBP
Retailer 10£1,494 GBP
Retailer 3£1,520 GBP
Retailer 9£1,642 GBP
Retailer 4£1,795 GBP
Retailer 8£2,028 GBP
Retailer 2£2,108 GBP
Retailer 5£2,433 GBP
MOH London£2,890 GBP

45 data points across 11 retailers

20 retailers£1,308 GBP to £2,890 GBP

B
Cheapest Retailer
-
£1,308 GBP
$1,755 USD
B
Retailer 2
-
£1,337 GBP
$1,794 USD
View
B
Retailer 3
-
£1,350 GBP
$1,812 USD
View
B
Retailer 4
-
£1,354 GBP
$1,817 USD
View
B
Retailer 5
-
£1,379 GBP
$1,851 USD
View
Final sale: no returns
B
Retailer 6
-
£1,406 GBP
$1,886 USD
View
B
Retailer 7
-
£1,441 GBP
$1,934 USD
View
B
Retailer 8
-
£1,494 GBP
$2,005 USD
View
B
Retailer 9
-
£1,520 GBP
$2,040 USD
View
B
Retailer 10
-
£1,642 GBP
$2,204 USD
View
B
Retailer 11
-
£1,736 GBP
$2,330 USD
View
B
Retailer 12
-
£1,736 GBP
$2,330 USD
View
B
Retailer 13
-
£1,795 GBP
View
B
Retailer 14
-
£1,796 GBP
$2,410 USD
View
C
Retailer 15
-
£1,885 GBP
$2,529 USD
View
C
Retailer 16
-
£1,900 GBP
CA$3,541 CAD
View
Retailer 17
-
£2,028 GBP
A$4,188 AUD
View
Price last confirmed 26 days ago
C
Retailer 18
-
£2,108 GBP
€2,694 EUR
View
C
Retailer 19
-
£2,433 GBP
ZAR 52,743 ZAR
View
Most Expensive
C
MOH London
AA6A94ED4 · Nov 1
£2,890 GBP
View
19 more retailers have this diamond
Prices start from £1,308 GBPSave up to £1,582 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
0.90ct Cushion
£1,308 GBP