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Cushion|Natural|GIA

1.55ct J SI1 Cushion Natural Diamond

J/SI1 • GIA 1242083144

Shape and cutting style on the report: Old miner

Certificate GIA 1242083144

Diamond specifications and retailer prices

From £5,615 GBP
$7,524 USD
As of November 1, 2026
Save £1,272 GBP (18%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,887 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 1242083144. Listed at 3 retailers as of November 1, 2026, with prices from £5,615 to £6,887, a £1,272 spread on the same certified stone. Yorxs lists it at £6,887. 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

1.55
Carat
J
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242083144
Dimensions8.01 × 6.17 × 4.03 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.01 mm6.17 mm1.55 ctJ / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242083144
Side View
Table 52.0%CrownGirdle: THK-VTKPavilionCulet: LargeDepth 65.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 1
Current: £5,615 GBP|Low: £5,615 GBP|High: £6,890 GBP|Avg: £6,342 GBP
Retailer 1
Retailer 2
Yorxs
November 2, 2026
Retailer 1£5,615 GBP
Retailer 2£6,345 GBP
Yorxs£6,887 GBP

5 data points across 3 retailers

3 retailers£5,615 GBP to £6,887 GBP

C
Cheapest Retailer
-
£5,615 GBP
$7,524 USD
C
Retailer 2
-
£6,345 GBP
$8,502 USD
View
Most Expensive
C
Yorxs
BB6335D41 · Nov 2
£6,887 GBP
€8,789 EUR
View
2 more retailers have this diamond
Prices start from £5,615 GBPSave up to £1,272 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.

C
1.55ct Cushion
£5,615 GBP