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Cushion|Natural|GIA

1.51ct M SI2 Cushion Natural Diamond

M/SI2 • GIA 1558110405

Certificate GIA 1558110405

Diamond specifications and retailer prices

From £2,113 GBP
€2,694 EUR
As of November 6, 2026
2 retailers carry this diamond
Most expensive: £2,113 GBP at Yorxs
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 SI2 clarity (slightly-included) and certified by GIA 1558110405. Listed at 2 retailers as of November 6, 2026. 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
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558110405
Dimensions8.17 × 5.54 × 3.86 mm
L/W Ratio1.47
Culet sizeNone
Key to symbols
Feather, Crystal, Twinning Wisp, Needle
Top View
8.17 mm5.54 mm1.51 ctM / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558110405
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 69.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £1,556 GBP|Low: £1,556 GBP|High: £2,126 GBP|Avg: £1,837 GBP
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1£1,556 GBP
Retailer 2£1,750 GBP
Yorxs£2,113 GBP

20 data points across 3 retailers

2 retailers

Retailer 1
-
£1,556 GBP
Price last confirmed 30 days ago
Most Expensive
B
Yorxs
B94CEC5FA · Nov 6
£2,113 GBP
€2,694 EUR
View
1 more retailer has this diamond

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
£2,113 GBP