Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

GD • D/SI1 • GIA 2185980971

Certificate GIA 2185980971

Diamond specifications and retailer prices

From £3,917 GBP
$5,248 USD
As of October 31, 2026
Save £3,787 GBP (49%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £7,704 GBP at MOH London · As of November 1, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2185980971. Listed at 26 retailers as of October 31, 2026, with prices from £3,917 to £7,704, a £3,787 spread on the same certified stone. MOH London lists it at £7,704. 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

1.50
Carat
D
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2185980971
Dimensions6.95 × 6.04 × 4.12 mm
L/W Ratio1.15
Top View
6.95 mm6.04 mm1.50 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2185980971
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.2%

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: Oct 31
Current: £7,704 GBP|Low: £4,123 GBP|High: £7,797 GBP|Avg: £5,375 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7£4,123 GBP
Retailer 8£4,170 GBP
Retailer 9£4,737 GBP
Retailer 2£4,893 GBP
Retailer 3£5,015 GBP
Retailer 6£5,075 GBP
Retailer 5£5,714 GBP
Retailer 4£6,425 GBP
MOH London£7,704 GBP

38 data points across 9 retailers

26 retailers£3,917 GBP to £7,704 GBP

A
Cheapest Retailer
-
£3,917 GBP
$5,248 USD
B+
Retailer 2
-
£4,085 GBP
$5,473 USD
View
B+
Retailer 3
-
£4,123 GBP
$5,525 USD
View
B+
Retailer 4
-
£4,132 GBP
$5,536 USD
View
B+
Retailer 5
-
£4,170 GBP
$5,587 USD
View
Final sale: no returns
B+
Retailer 6
-
£4,187 GBP
$5,610 USD
View
B+
Retailer 7
-
£4,376 GBP
CA$8,144 CAD
View
B+
Retailer 8
-
£4,403 GBP
$5,900 USD
View
B+
Retailer 9
-
£4,409 GBP
$5,908 USD
View
B+
Retailer 10
-
£4,737 GBP
$6,347 USD
View
B+
Retailer 11
-
£4,824 GBP
$6,464 USD
View
B+
Retailer 12
-
£4,893 GBP
View
B+
Retailer 13
-
£4,927 GBP
$6,602 USD
View
B+
Retailer 14
-
£4,997 GBP
$6,695 USD
View
B+
Retailer 15
-
£5,015 GBP
View
B+
Retailer 16
-
£5,073 GBP
A$10,458 AUD
View
Retailer 17
-
£5,075 GBP
A$10,462 AUD
View
Price last confirmed 10 days ago
B
Retailer 18
-
£5,269 GBP
$7,060 USD
View
B
Retailer 19
-
£5,269 GBP
$7,060 USD
View
B
Retailer 20
-
£5,448 GBP
$7,300 USD
View
B
Retailer 21
-
£5,714 GBP
€7,292 EUR
View
Retailer 22
-
£5,764 GBP
$7,723 USD
View
Price last confirmed 9 days ago
B
Retailer 23
-
£5,927 GBP
$7,941 USD
View
B
Retailer 24
-
£6,425 GBP
ZAR 139,067 ZAR
View
B
Retailer 25
-
£7,581 GBP
$10,157 USD
View
Most Expensive
B
MOH London
59F089D5F · Nov 1
£7,704 GBP
View
25 more retailers have this diamond
Prices start from £3,917 GBPSave up to £3,787 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
£3,917 GBP