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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 5543563033

Certificate GIA 5543563033

Diamond specifications and retailer prices

From £3,028 GBP
HK$31,700 HKD
As of October 30, 2026
Save £3,810 GBP (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,839 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543563033. Listed at 15 retailers as of October 28, 2026, with prices from £3,028 to £6,839, a £3,810 spread on the same certified stone. Queensmith lists it at £6,839. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543563033
Dimensions7.91 × 6.08 × 4.01 mm
L/W Ratio1.30
Top View
7.91 mm6.08 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543563033
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 66.0%

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 30
Current: £6,839 GBP|Low: £3,028 GBP|High: £6,886 GBP|Avg: £4,404 GBP|+2.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£3,028 GBP
Retailer 2£3,278 GBP
Retailer 5£3,601 GBP
Retailer 3£3,726 GBP
Retailer 6£3,816 GBP
Retailer 11£3,890 GBP
Retailer 7£3,939 GBP
Retailer 10£4,038 GBP
Retailer 4£4,152 GBP
Retailer 13£4,248 GBP
Retailer 9£4,563 GBP
Retailer 8£6,465 GBP
Queensmith£6,839 GBP

24 data points across 13 retailers

15 retailers£3,028 GBP to £6,839 GBP

A
Cheapest Retailer
-
£3,028 GBP
HK$31,700 HKD
A
Retailer 2
-
£3,278 GBP
₹418,327 INR
View
A
Retailer 3
-
£3,601 GBP
SGD 6,520 SGD
View
A
Retailer 4
-
£3,726 GBP
$4,993 USD
View
Final sale: no returns
A
Retailer 5
-
£3,744 GBP
$5,016 USD
View
A
Retailer 6
-
£3,816 GBP
View
A
Retailer 7
-
£3,890 GBP
SGD 7,043 SGD
View
A
Retailer 8
-
£3,939 GBP
View
A
Retailer 9
-
£4,038 GBP
$5,410 USD
View
A
Retailer 10
-
£4,152 GBP
$5,564 USD
View
A
Retailer 11
-
£4,171 GBP
A$8,598 AUD
View
A
Retailer 12
-
£4,248 GBP
$5,692 USD
View
B+
Retailer 13
-
£4,563 GBP
€5,823 EUR
View
B+
Retailer 14
-
£6,465 GBP
View
Most Expensive
B
Queensmith
5543563033 · Oct 28
£6,839 GBP
View
14 more retailers have this diamond
Prices start from £3,028 GBPSave up to £3,810 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
£3,028 GBP