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Cushion|Natural|GIA

1.50ct M SI1 Cushion Natural Diamond

EX • M/SI1 • GIA 5556045062

Certificate GIA 5556045062

Diamond specifications and retailer prices

From £994 GBP
As of November 6, 2026
Save £1,119 GBP (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,114 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556045062. Listed at 10 retailers as of November 6, 2026, with prices from £994 to £2,114, a £1,119 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,114. 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

1.50
Carat
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5556045062
Dimensions7.58 × 6.05 × 4.16 mm
L/W Ratio1.25
Top View
7.58 mm6.05 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556045062
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,895 GBP|Low: £975 GBP|High: £2,347 GBP|Avg: £1,602 GBP|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£994 GBP
Retailer 2£1,273 GBP
Retailer 4£1,289 GBP
Retailer 5£1,434 GBP
Retailer 7£1,444 GBP
Retailer 9£1,505 GBP
Retailer 8£1,532 GBP
Retailer 10£1,562 GBP
Retailer 3£1,703 GBP
Retailer 1£1,895 GBP
Wholesale Diamonds Direct£2,114 GBP

29 data points across 11 retailers

10 retailers£994 GBP to £2,114 GBP

A
Cheapest Retailer
-
£994 GBP
A
Retailer 2
-
£1,289 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,434 GBP
View
A
Retailer 4
-
£1,444 GBP
View
A
Retailer 5
-
£1,505 GBP
View
A
Retailer 6
-
£1,532 GBP
View
B+
Retailer 7
-
£1,562 GBP
View
B+
Retailer 8
-
£1,703 GBP
View
B+
Retailer 9
-
£1,895 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
625983008 · Nov 6
£2,114 GBP
$2,829 USD
View
9 more retailers have this diamond
Prices start from £994 GBPSave up to £1,119 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
1.50ct Cushion
£994 GBP