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Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 6541950338

Certificate GIA 6541950338

Diamond specifications and retailer prices

From £2,821 GBP
As of November 6, 2026
Save £3,028 GBP (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,850 GBP at MOH London · As of November 4, 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 6541950338. Listed at 17 retailers as of November 4, 2026, with prices from £2,821 to £5,850, a £3,028 spread on the same certified stone. MOH London lists it at £5,850. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.75°
Pavilion angle54.07°
OriginNatural
Grading LabGIA
CertificateGIA 6541950338
Dimensions7.23 × 5.49 × 3.81 mm
L/W Ratio1.32
Top View
7.23 mm5.49 mm1.30 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541950338
Side View
Table 65.0%Crown 42.75°Girdle: THN-THKPavilion 54.07°Culet: NoneDepth 69.4%

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: £5,850 GBP|Low: £2,802 GBP|High: £5,896 GBP|Avg: £3,760 GBP|-0.8%
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 14£2,821 GBP
Retailer 2£2,835 GBP
Retailer 7£3,212 GBP
Retailer 5£3,399 GBP
Retailer 13£3,405 GBP
Retailer 15£3,467 GBP
Retailer 9£3,572 GBP
Retailer 4£3,592 GBP
Retailer 12£3,628 GBP
Retailer 16£3,683 GBP
Retailer 6£3,795 GBP
Retailer 3£3,842 GBP
Retailer 8£3,871 GBP
Retailer 10£4,143 GBP
Retailer 11£4,492 GBP
MOH London£5,850 GBP

23 data points across 16 retailers

17 retailers£2,821 GBP to £5,850 GBP

A
Cheapest Retailer
-
£2,821 GBP
A
Retailer 2
-
£2,835 GBP
View
A
Retailer 3
-
£3,212 GBP
View
A
Retailer 4
-
£3,399 GBP
View
Final sale: no returns
A
Retailer 5
-
£3,405 GBP
View
B+
Retailer 6
-
£3,467 GBP
View
B+
Retailer 7
-
£3,572 GBP
View
Retailer 8
-
£3,592 GBP
View
Price last confirmed 10 days ago
B+
Retailer 9
-
£3,628 GBP
View
Retailer 10
-
£3,683 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£3,795 GBP
View
B+
Retailer 12
-
£3,842 GBP
View
B+
Retailer 13
-
£3,871 GBP
View
Retailer 14
-
£4,030 GBP
View
Price last confirmed 28 days ago
B+
Retailer 15
-
£4,143 GBP
View
B+
Retailer 16
-
£4,492 GBP
View
Most Expensive
B
MOH London
41D720B37 · Nov 4
£5,850 GBP
View
16 more retailers have this diamond
Prices start from £2,821 GBPSave up to £3,028 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
£2,821 GBP