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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6532124427

Certificate GIA 6532124427

Diamond specifications and retailer prices

From £5,090 GBP
₹649,536 INR
As of November 1, 2026
Save £3,636 GBP (42%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £8,726 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532124427. Listed at 19 retailers as of November 1, 2026, with prices from £5,090 to £8,726, a £3,636 spread on the same certified stone. MOH London lists it at £8,726. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532124427
Dimensions8.71 × 5.02 × 3.51 mm
L/W Ratio1.74
Top View
8.71 mm5.02 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532124427
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £8,726 GBP|Low: £5,090 GBP|High: £8,831 GBP|Avg: £6,591 GBP|-0.9%
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
November 1, 2026
Retailer 2£5,090 GBP
Retailer 3£5,401 GBP
Retailer 5£5,780 GBP
Retailer 11£5,780 GBP
Retailer 7£5,858 GBP
Retailer 8£5,911 GBP
Retailer 12£5,926 GBP
Retailer 6£6,005 GBP
Retailer 4£6,395 GBP
Retailer 14£6,475 GBP
Retailer 10£6,842 GBP
Retailer 9£7,692 GBP
Retailer 13£8,663 GBP
MOH London£8,726 GBP

27 data points across 14 retailers

19 retailers£5,090 GBP to £8,726 GBP

B+
Cheapest Retailer
-
£5,090 GBP
₹649,536 INR
B+
Retailer 2
-
£5,200 GBP
$6,967 USD
View
B+
Retailer 3
-
£5,401 GBP
$7,237 USD
View
B
Retailer 4
-
£5,780 GBP
$7,744 USD
View
Final sale: no returns
B
Retailer 5
-
£5,780 GBP
$7,744 USD
View
B+
Retailer 6
-
£5,858 GBP
View
B+
Retailer 7
-
£5,911 GBP
View
B
Retailer 8
-
£5,926 GBP
$7,940 USD
View
Retailer 9
-
£6,005 GBP
A$12,378 AUD
View
Price last confirmed 10 days ago
Retailer 10
-
£6,284 GBP
$8,420 USD
View
Price last confirmed 10 days ago
Retailer 11
-
£6,284 GBP
$8,420 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
£6,395 GBP
$8,569 USD
View
B
Retailer 13
-
£6,475 GBP
$8,676 USD
View
Retailer 14
-
£6,493 GBP
$8,700 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£6,842 GBP
€8,731 EUR
View
Retailer 16
-
£6,896 GBP
$9,240 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
£7,692 GBP
ZAR 166,500 ZAR
View
B
Retailer 18
-
£8,663 GBP
View
Most Expensive
B
MOH London
240CBE3F8 · Nov 1
£8,726 GBP
View
18 more retailers have this diamond
Prices start from £5,090 GBPSave up to £3,636 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.

B+
1.50ct Cushion
£5,090 GBP