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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7548215724

Certificate GIA 7548215724

Diamond specifications and retailer prices

From £2,801 GBP
As of November 6, 2026
Save £3,117 GBP (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,918 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548215724. Listed at 13 retailers as of November 4, 2026, with prices from £2,801 to £5,918, a £3,117 spread on the same certified stone. MOH London lists it at £5,918. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7548215724
Dimensions6.66 × 6.15 × 4.24 mm
L/W Ratio1.08
Top View
6.66 mm6.15 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7548215724
Side View
Table 60.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £5,918 GBP|Low: £2,801 GBP|High: £5,998 GBP|Avg: £4,047 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£2,801 GBP
Retailer 3£3,467 GBP
Retailer 5£3,668 GBP
Retailer 7£3,726 GBP
Retailer 4£4,192 GBP
Retailer 6£4,545 GBP
MOH London£5,918 GBP

27 data points across 7 retailers

13 retailers£2,801 GBP to £5,918 GBP

A
Cheapest Retailer
-
£2,801 GBP
A
Retailer 2
-
£3,181 GBP
View
A
Retailer 3
-
£3,249 GBP
View
A
Retailer 4
-
£3,438 GBP
View
Final sale: no returns
A
Retailer 5
-
£3,467 GBP
View
A
Retailer 6
-
£3,504 GBP
View
A
Retailer 7
-
£3,668 GBP
View
Retailer 8
-
£3,726 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£3,756 GBP
View
Price last confirmed 29 days ago
A
Retailer 10
-
£3,914 GBP
View
A
Retailer 11
-
£4,192 GBP
View
B+
Retailer 12
-
£4,545 GBP
View
Most Expensive
B+
MOH London
7A32D231E · Nov 4
£5,918 GBP
View
12 more retailers have this diamond
Prices start from £2,801 GBPSave up to £3,117 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
£2,801 GBP