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Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1543541732

Certificate GIA 1543541732

Diamond specifications and retailer prices

From £3,346 GBP
As of November 6, 2026
Save £3,027 GBP (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,372 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 1543541732. Listed at 18 retailers as of November 1, 2026, with prices from £3,346 to £6,372, a £3,027 spread on the same certified stone. MOH London lists it at £6,372. 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

1.30
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543541732
Dimensions8.42 × 5.33 × 3.53 mm
L/W Ratio1.58
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
8.42 mm5.33 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543541732
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.1%

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: £6,372 GBP|Low: £3,346 GBP|High: £6,696 GBP|Avg: £4,375 GBP|-4.8%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 4£3,346 GBP
Retailer 13£3,459 GBP
Retailer 3£3,594 GBP
Retailer 16£3,625 GBP
Retailer 6£3,837 GBP
Retailer 12£3,868 GBP
Retailer 2£3,881 GBP
Retailer 9£3,886 GBP
Retailer 5£4,087 GBP
Retailer 7£4,087 GBP
Retailer 8£4,191 GBP
Retailer 15£4,221 GBP
Retailer 10£4,501 GBP
Retailer 11£4,882 GBP
Retailer 14£6,167 GBP
MOH London£6,372 GBP

29 data points across 16 retailers

18 retailers£3,346 GBP to £6,372 GBP

A
Cheapest Retailer
-
£3,346 GBP
Final sale: no returns
A
Retailer 2
-
£3,459 GBP
View
B+
Retailer 3
-
£3,594 GBP
View
Retailer 4
-
£3,625 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£3,816 GBP
View
B+
Retailer 6
-
£3,837 GBP
View
B+
Retailer 7
-
£3,868 GBP
View
B+
Retailer 8
-
£3,881 GBP
View
B+
Retailer 9
-
£3,886 GBP
View
B+
Retailer 10
-
£4,005 GBP
View
B+
Retailer 11
-
£4,087 GBP
View
B+
Retailer 12
-
£4,087 GBP
View
Retailer 13
-
£4,191 GBP
View
Price last confirmed 28 days ago
B+
Retailer 14
-
£4,221 GBP
View
B+
Retailer 15
-
£4,501 GBP
View
B+
Retailer 16
-
£4,882 GBP
View
Retailer 17
-
£6,167 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
8E5951604 · Nov 1
£6,372 GBP
View
17 more retailers have this diamond
Prices start from £3,346 GBPSave up to £3,027 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
1.30ct Cushion
£3,346 GBP