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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 7562100168

Certificate GIA 7562100168

Diamond specifications and retailer prices

From £3,746 GBP
As of November 5, 2026
Save £2,759 GBP (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,505 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E 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 7562100168. Listed at 15 retailers as of November 4, 2026, with prices from £3,746 to £6,505, a £2,759 spread on the same certified stone. MOH London lists it at £6,505. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7562100168
Dimensions8.15 × 6.03 × 4.10 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
8.15 mm6.03 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7562100168
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.0%

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: Nov 5
Current: £6,505 GBP|Low: £3,746 GBP|High: £7,517 GBP|Avg: £4,811 GBP|-13.5%
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 6, 2026
Retailer 12£3,746 GBP
Retailer 13£3,861 GBP
Retailer 10£3,967 GBP
Retailer 6£4,034 GBP
Retailer 14£4,087 GBP
Retailer 5£4,104 GBP
Retailer 2£4,120 GBP
Retailer 9£4,276 GBP
Retailer 8£4,543 GBP
Retailer 3£4,670 GBP
Retailer 4£4,686 GBP
Retailer 7£4,810 GBP
Retailer 11£5,402 GBP
MOH London£6,505 GBP

22 data points across 14 retailers

15 retailers£3,746 GBP to £6,505 GBP

A
Cheapest Retailer
-
£3,746 GBP
A
Retailer 2
-
£3,861 GBP
View
A
Retailer 3
-
£3,967 GBP
View
Retailer 4
-
£4,034 GBP
View
Price last confirmed 9 days ago
A
Retailer 5
-
£4,087 GBP
View
Final sale: no returns
A
Retailer 6
-
£4,104 GBP
View
A
Retailer 7
-
£4,120 GBP
View
A
Retailer 8
-
£4,276 GBP
View
A
Retailer 9
-
£4,543 GBP
View
A
Retailer 10
-
£4,670 GBP
View
Retailer 11
-
£4,686 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£4,810 GBP
View
B+
Retailer 13
-
£5,402 GBP
View
Retailer 14
-
£5,448 GBP
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
6B645D139 · Nov 4
£6,505 GBP
View
14 more retailers have this diamond
Prices start from £3,746 GBPSave up to £2,759 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
1.51ct Cushion
£3,746 GBP