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Cushion|Natural|GIA

0.90ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2185402100

Certificate GIA 2185402100

Diamond specifications and retailer prices

From £551 GBP
$740 USD
As of November 1, 2026
Save £695 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,246 GBP at MOH London · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2185402100. Listed at 13 retailers as of November 1, 2026, with prices from £551 to £1,246, a £695 spread on the same certified stone. MOH London lists it at £1,246. 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

0.90
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2185402100
Dimensions5.76 × 5.34 × 3.73 mm
L/W Ratio1.08
Top View
5.76 mm5.34 mm0.90 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 2185402100
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.9%

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: £1,246 GBP|Low: £518 GBP|High: £2,580 GBP|Avg: £903 GBP|-0.2%
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
November 3, 2026
Retailer 10£551 GBP
Retailer 5£569 GBP
Retailer 11£570 GBP
Retailer 13£619 GBP
Retailer 3£624 GBP
Retailer 12£636 GBP
Retailer 4£658 GBP
Retailer 14£693 GBP
Retailer 9£795 GBP
Retailer 2£796 GBP
Retailer 6£823 GBP
Retailer 8£959 GBP
Retailer 15£1,185 GBP
MOH London£1,246 GBP
Retailer 7£2,580 GBP

44 data points across 15 retailers

13 retailers£551 GBP to £1,246 GBP

A
Cheapest Retailer
-
£551 GBP
$740 USD
A
Retailer 2
-
£569 GBP
$763 USD
View
A
Retailer 3
-
£619 GBP
$830 USD
View
A
Retailer 4
-
£624 GBP
$838 USD
View
A
Retailer 5
-
£636 GBP
$853 USD
View
A
Retailer 6
-
£658 GBP
$883 USD
View
A
Retailer 7
-
£693 GBP
$931 USD
View
A
Retailer 8
-
£795 GBP
View
A
Retailer 9
-
£796 GBP
View
A
Retailer 10
-
£823 GBP
$1,104 USD
View
A
Retailer 11
-
£959 GBP
€1,226 EUR
View
B+
Retailer 12
-
£1,185 GBP
CA$2,208 CAD
View
Most Expensive
B+
MOH London
6CF7706D3 · Nov 2
£1,246 GBP
View
12 more retailers have this diamond
Prices start from £551 GBPSave up to £695 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
£551 GBP