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Cushion|Natural|GIA

1.50ct M SI1 Cushion Natural Diamond

ID • M/SI1 • GIA 2447799414

Certificate GIA 2447799414

Diamond specifications and retailer prices

From £1,672 GBP
As of November 6, 2026
Save £1,190 GBP (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,862 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 2447799414. Listed at 8 retailers as of November 6, 2026, with prices from £1,672 to £2,862, a £1,190 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,862. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2447799414
Dimensions7.19 × 6.33 × 4.19 mm
L/W Ratio1.14
Top View
7.19 mm6.33 mm1.50 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447799414
Side View
Table 64.0%CrownGirdle: VER-NULPavilionCulet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,827 GBP|Low: £1,672 GBP|High: £2,862 GBP|Avg: £2,071 GBP|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 5£1,672 GBP
Retailer 1£1,827 GBP
Retailer 4£1,834 GBP
Retailer 7£1,838 GBP
Retailer 6£1,955 GBP
Retailer 8£2,089 GBP
Retailer 3£2,259 GBP
Retailer 2£2,276 GBP
Wholesale Diamonds Direct£2,862 GBP

24 data points across 9 retailers

8 retailers£1,672 GBP to £2,862 GBP

B+
Cheapest Retailer
-
£1,672 GBP
B+
Retailer 2
-
£1,827 GBP
View
B+
Retailer 3
-
£1,834 GBP
View
B+
Retailer 4
-
£1,838 GBP
View
B+
Retailer 5
-
£1,955 GBP
View
B
Retailer 6
-
£2,259 GBP
View
B
Retailer 7
-
£2,276 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
410802558 · Nov 6
£2,862 GBP
$3,831 USD
View
7 more retailers have this diamond
Prices start from £1,672 GBPSave up to £1,190 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+
1.50ct Cushion
£1,672 GBP