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Cushion|Natural|GIA

1.50ct I IF Cushion Natural Diamond

EX • I/IF • GIA 1543807666

Certificate GIA 1543807666

Diamond specifications and retailer prices

From £3,538 GBP
As of November 6, 2026
Save £3,536 GBP (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,074 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 1543807666. Listed at 12 retailers as of November 4, 2026, with prices from £3,538 to £7,074, a £3,536 spread on the same certified stone. MOH London lists it at £7,074. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543807666
Dimensions7.66 × 5.89 × 4.04 mm
L/W Ratio1.30
Culet sizeNone
Top View
7.66 mm5.89 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543807666
Side View
Table 62.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.6%

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: £7,074 GBP|Low: £3,509 GBP|High: £7,381 GBP|Avg: £5,023 GBP|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£3,538 GBP
Retailer 9£4,034 GBP
Retailer 10£4,169 GBP
Retailer 12£4,199 GBP
Retailer 3£4,569 GBP
Retailer 8£4,604 GBP
Retailer 6£4,692 GBP
Retailer 11£4,836 GBP
Retailer 4£4,854 GBP
Retailer 2£5,231 GBP
Retailer 5£5,874 GBP
MOH London£7,074 GBP

44 data points across 12 retailers

12 retailers£3,538 GBP to £7,074 GBP

A
Cheapest Retailer
-
£3,538 GBP
Retailer 2
-
£4,034 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£4,169 GBP
View
A
Retailer 4
-
£4,199 GBP
View
Retailer 5
-
£4,569 GBP
View
Price last confirmed 22 days ago
Retailer 6
-
£4,604 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£4,692 GBP
View
B+
Retailer 8
-
£4,836 GBP
View
Retailer 9
-
£4,854 GBP
View
Price last confirmed 34 days ago
B+
Retailer 10
-
£5,231 GBP
View
B+
Retailer 11
-
£5,874 GBP
View
Most Expensive
B
MOH London
C0C9EB847 · Nov 4
£7,074 GBP
View
11 more retailers have this diamond
Prices start from £3,538 GBPSave up to £3,536 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
£3,538 GBP