Cushion|Natural|GIA

1.50ct I IF Cushion Natural Diamond

EX • I/IF • GIA 2231874542

Certificate GIA 2231874542

Diamond specifications and retailer prices

From £2,878 GBP
As of November 6, 2026
Save £3,757 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,635 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231874542. Listed at 19 retailers as of November 4, 2026, with prices from £2,878 to £6,635, a £3,757 spread on the same certified stone. MOH London lists it at £6,635. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 2231874542
Dimensions7.07 × 6.14 × 4.28 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
7.07 mm6.14 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231874542
Side View
Table 68.0%CrownGirdle: THK-VTKPavilion 37.9°Culet: NoneDepth 69.7%

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: £6,635 GBP|Low: £2,878 GBP|High: £6,774 GBP|Avg: £4,265 GBP|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 13£2,878 GBP
Retailer 16£3,324 GBP
Retailer 12£3,369 GBP
Retailer 8£3,472 GBP
Retailer 7£3,496 GBP
Retailer 17£3,522 GBP
Retailer 10£3,645 GBP
Retailer 9£3,676 GBP
Retailer 4£3,794 GBP
Retailer 15£3,855 GBP
Retailer 14£3,907 GBP
Retailer 6£4,232 GBP
Retailer 2£4,701 GBP
Retailer 5£4,850 GBP
Retailer 11£5,097 GBP
Retailer 3£6,184 GBP
MOH London£6,635 GBP

23 data points across 17 retailers

19 retailers£2,878 GBP to £6,635 GBP

A
Cheapest Retailer
-
£2,878 GBP
A
Retailer 2
-
£3,324 GBP
View
A
Retailer 3
-
£3,369 GBP
View
Retailer 4
-
£3,472 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£3,496 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£3,522 GBP
View
A
Retailer 7
-
£3,645 GBP
View
Retailer 8
-
£3,676 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£3,794 GBP
View
A
Retailer 10
-
£3,855 GBP
View
Final sale: no returns
A
Retailer 11
-
£3,907 GBP
View
Retailer 12
-
£4,232 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£4,326 GBP
View
Retailer 14
-
£4,477 GBP
View
Price last confirmed 34 days ago
B+
Retailer 15
-
£4,701 GBP
View
B+
Retailer 16
-
£4,850 GBP
View
B+
Retailer 17
-
£5,097 GBP
View
B+
Retailer 18
-
£6,184 GBP
View
Most Expensive
B
MOH London
172962251 · Nov 4
£6,635 GBP
View
18 more retailers have this diamond
Prices start from £2,878 GBPSave up to £3,757 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
£2,878 GBP