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Cushion|Natural|GIA

0.90ct J SI2 Cushion Natural Diamond

GD • J/SI2 • GIA 7378049388

Certificate GIA 7378049388

Diamond specifications and retailer prices

From £1,134 GBP
$1,520 USD
As of October 28, 2026
Save £1,259 GBP (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,393 GBP at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7378049388. Listed at 9 retailers as of October 28, 2026, with prices from £1,134 to £2,393, a £1,259 spread on the same certified stone. MOH London lists it at £2,393. 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
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7378049388
Dimensions6.11 × 5.06 × 3.52 mm
L/W Ratio1.21
Top View
6.11 mm5.06 mm0.90 ctJ / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7378049388
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.5%

Caratlytics Score

How it works →
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: Oct 28
Current: £2,393 GBP|Low: £1,092 GBP|High: £2,409 GBP|Avg: £1,542 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4£1,134 GBP
Retailer 6£1,328 GBP
Retailer 5£1,364 GBP
Retailer 8£1,448 GBP
Retailer 7£1,493 GBP
Retailer 3£1,510 GBP
Retailer 2£1,726 GBP
MOH London£2,393 GBP

39 data points across 8 retailers

9 retailers£1,134 GBP to £2,393 GBP

B
Cheapest Retailer
-
£1,134 GBP
$1,520 USD
B
Retailer 2
-
£1,364 GBP
$1,828 USD
View
C
Retailer 3
-
£1,448 GBP
$1,940 USD
View
C
Retailer 4
-
£1,448 GBP
$1,940 USD
View
C
Retailer 5
-
£1,493 GBP
$2,000 USD
View
C
Retailer 6
-
£1,510 GBP
View
C
Retailer 7
-
£1,560 GBP
CA$2,904 CAD
View
C
Retailer 8
-
£1,726 GBP
€2,203 EUR
View
Most Expensive
C
MOH London
09CD670F2 · Oct 29
£2,393 GBP
View
8 more retailers have this diamond
Prices start from £1,134 GBPSave up to £1,259 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
£1,134 GBP