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Cushion|Natural|GIA

1.50ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6412143967

Certificate GIA 6412143967

Diamond specifications and retailer prices

From £4,904 GBP
As of November 6, 2026
Save £4,282 GBP (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £9,186 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6412143967. Listed at 18 retailers as of November 4, 2026, with prices from £4,904 to £9,186, a £4,282 spread on the same certified stone. MOH London lists it at £9,186. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6412143967
Dimensions7.17 × 6.02 × 4.19 mm
L/W Ratio1.19
Top View
7.17 mm6.02 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6412143967
Side View
Table 77.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 69.6%

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 6
Current: £9,186 GBP|Low: £4,904 GBP|High: £9,321 GBP|Avg: £6,142 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£4,904 GBP
Retailer 5£4,920 GBP
Retailer 10£5,310 GBP
Retailer 6£5,526 GBP
Retailer 9£5,623 GBP
Retailer 2£5,682 GBP
Retailer 4£6,100 GBP
Retailer 7£6,180 GBP
Retailer 3£6,828 GBP
MOH London£9,186 GBP

43 data points across 10 retailers

18 retailers£4,904 GBP to £9,186 GBP

B
Cheapest Retailer
-
£4,904 GBP
B+
Retailer 2
-
£4,920 GBP
View
B
Retailer 3
-
£5,133 GBP
View
B
Retailer 4
-
£5,174 GBP
View
B
Retailer 5
-
£5,310 GBP
View
B
Retailer 6
-
£5,463 GBP
View
Retailer 7
-
£5,526 GBP
View
Price last confirmed 9 days ago
B
Retailer 8
-
£5,623 GBP
View
B
Retailer 9
-
£5,682 GBP
View
B
Retailer 10
-
£6,100 GBP
View
B
Retailer 11
-
£6,180 GBP
View
B
Retailer 12
-
£6,337 GBP
View
B
Retailer 13
-
£6,582 GBP
View
B
Retailer 14
-
£6,582 GBP
View
B
Retailer 15
-
£6,806 GBP
View
B
Retailer 16
-
£6,828 GBP
View
Retailer 17
-
£7,278 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
E42552174 · Nov 4
£9,186 GBP
View
17 more retailers have this diamond
Prices start from £4,904 GBPSave up to £4,282 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
£4,904 GBP