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Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6217133505

Certificate GIA 6217133505

Diamond specifications and retailer prices

From £6,003 GBP
As of November 3, 2026
Save £2,771 GBP (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £8,774 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6217133505. Listed at 3 retailers as of November 2, 2026, with prices from £6,003 to £8,774, a £2,771 spread on the same certified stone. MOH London lists it at £8,774. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6217133505
Dimensions7.43 × 6.46 × 4.37 mm
L/W Ratio1.15
Top View
7.43 mm6.46 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6217133505
Side View
Table 59.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: £8,774 GBP|Low: £5,936 GBP|High: £8,880 GBP|Avg: £7,227 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
November 3, 2026
Retailer 2£6,003 GBP
Retailer 3£6,879 GBP
MOH London£8,774 GBP

42 data points across 3 retailers

3 retailers£6,003 GBP to £8,774 GBP

B
Cheapest Retailer
-
£6,003 GBP
B
Retailer 2
-
£6,879 GBP
€8,791 EUR
View
Most Expensive
B
MOH London
C0BB2A829 · Nov 2
£8,774 GBP
View
2 more retailers have this diamond
Prices start from £6,003 GBPSave up to £2,771 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
1.54ct Cushion
£6,003 GBP