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Cushion|Natural|GIA

1.51ct M SI1 Cushion Natural Diamond

M/SI1 • GIA 2538754594

Shape and cutting style on the report: Old miner

Certificate GIA 2538754594

Diamond specifications and retailer prices

From £2,705 GBP
As of November 4, 2026
Save £455 GBP (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,161 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 2538754594. Listed at 3 retailers as of November 4, 2026, with prices from £2,705 to £3,161, a £455 spread on the same certified stone. Yorxs lists it at £3,161. 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

1.51
Carat
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.6°
Pavilion angle36°
OriginNatural
Grading LabGIA
CertificateGIA 2538754594
Dimensions7.24 × 6.29 × 4.10 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
7.24 mm6.29 mm1.51 ctM / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2538754594
Side View
Table 50.0%Crown 41.6°Girdle: THK-ETKPavilion 36°Culet: LargeDepth 65.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £2,605 GBP|Low: £2,605 GBP|High: £3,298 GBP|Avg: £2,929 GBP
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1£2,605 GBP
Retailer 2£2,705 GBP
Yorxs£3,161 GBP

18 data points across 3 retailers

3 retailers£2,705 GBP to £3,161 GBP

Retailer 1
-
£2,605 GBP
Price last confirmed 9 days ago
B
Retailer 2
-
£2,705 GBP
View
Most Expensive
C
Yorxs
617308095 · Nov 6
£3,161 GBP
€4,029 EUR
View
2 more retailers have this diamond
Prices start from £2,705 GBPSave up to £455 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
1.51ct Cushion
£2,705 GBP