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Cushion|Natural|GIA

4.70ct K SI2 Cushion Natural Diamond

VG • K/SI2 • GIA 2558978413

Certificate GIA 2558978413

Diamond specifications and retailer prices

From £17,674 GBP
As of November 2, 2026
Save £3,116 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £20,790 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.7ct natural cushion diamond

This 4.7ct natural cushion sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2558978413. Listed at 2 retailers as of October 31, 2026, with prices from £17,674 to £20,790, a £3,116 spread on the same certified stone. Blue Nile lists it at £20,790. 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

4.70
Carat
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558978413
Dimensions11.00 × 8.85 × 6.06 mm
L/W Ratio1.24
Top View
11.00 mm8.85 mm4.70 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558978413
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £20,790 GBP|Low: £17,674 GBP|High: £21,149 GBP|Avg: £19,595 GBP|-1.7%
Blue Nile
Retailer 2
November 2, 2026
Retailer 2£17,674 GBP
Blue Nile£20,790 GBP

18 data points across 2 retailers

2 retailers£17,674 GBP to £20,790 GBP

A
Cheapest Retailer
-
£17,674 GBP
Most Expensive
B+
Blue Nile
30054795 · Oct 31
£20,790 GBP
$27,827 USD
View
1 more retailer has this diamond
Prices start from £17,674 GBPSave up to £3,116 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
4.70ct Cushion
£17,674 GBP