CaratHunter
Plans
Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1547174360

Certificate GIA 1547174360

Diamond specifications and retailer prices

From £554 GBP
HK$5,800 HKD
As of November 1, 2026
Save £766 GBP (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,320 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1547174360. Listed at 15 retailers as of November 1, 2026, with prices from £554 to £1,320, a £766 spread on the same certified stone. MOH London lists it at £1,320. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle38.1°
OriginNatural
Grading LabGIA
CertificateGIA 1547174360
Dimensions5.72 × 5.47 × 3.64 mm
L/W Ratio1.05
Girdle conditionFaceted
Top View
5.72 mm5.47 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1547174360
Side View
Table 66.0%CrownGirdle: THK-VTKPavilion 38.1°Culet: NoneDepth 66.6%

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: £1,320 GBP|Low: £554 GBP|High: £1,387 GBP|Avg: £903 GBP|-4.8%
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
November 2, 2026
Retailer 5£554 GBP
Retailer 11£666 GBP
Retailer 10£739 GBP
Retailer 8£754 GBP
Retailer 13£754 GBP
Retailer 4£775 GBP
Retailer 7£844 GBP
Retailer 9£887 GBP
Retailer 3£900 GBP
Retailer 6£972 GBP
Retailer 2£1,014 GBP
Retailer 12£1,073 GBP
Retailer 14£1,154 GBP
MOH London£1,320 GBP

33 data points across 14 retailers

15 retailers£554 GBP to £1,320 GBP

A
Cheapest Retailer
-
£554 GBP
HK$5,800 HKD
B+
Retailer 2
-
£666 GBP
$892 USD
View
Final sale: no returns
A
Retailer 3
-
£739 GBP
$990 USD
View
A
Retailer 4
-
£754 GBP
$1,010 USD
View
A
Retailer 5
-
£754 GBP
$1,010 USD
View
Retailer 6
-
£775 GBP
SGD 1,404 SGD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£844 GBP
View
B+
Retailer 8
-
£887 GBP
$1,189 USD
View
B+
Retailer 9
-
£900 GBP
$1,206 USD
View
Retailer 10
-
£972 GBP
A$2,004 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
£1,008 GBP
A$2,078 AUD
View
B+
Retailer 12
-
£1,014 GBP
€1,294 EUR
View
B+
Retailer 13
-
£1,073 GBP
ZAR 23,220 ZAR
View
Retailer 14
-
£1,154 GBP
$1,546 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
524CA6B12 · Nov 1
£1,320 GBP
View
14 more retailers have this diamond
Prices start from £554 GBPSave up to £766 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
£554 GBP