CaratHunter
Plans
Cushion|Natural|GIA

3.50ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 2566103106

Certificate GIA 2566103106

Diamond specifications and retailer prices

From £41,232 GBP
As of November 6, 2026
Save £28,829 GBP (41%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £70,061 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.5ct natural cushion diamond

This 3.5ct natural cushion sits in the three to five 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 2566103106. Listed at 19 retailers as of November 4, 2026, with prices from £41,232 to £70,061, a £28,829 spread on the same certified stone. MOH London lists it at £70,061. 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

3.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566103106
Dimensions11.78 × 7.37 × 4.96 mm
L/W Ratio1.60
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Needle
Top View
11.78 mm7.37 mm3.50 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566103106
Side View
Table 67.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.3%

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: £70,061 GBP|Low: £40,439 GBP|High: £71,978 GBP|Avg: £49,366 GBP|-2.7%
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 7, 2026
Retailer 7£40,530 GBP
Retailer 4£41,232 GBP
Retailer 8£42,358 GBP
Retailer 10£43,855 GBP
Retailer 9£44,933 GBP
Retailer 2£44,959 GBP
Retailer 6£45,320 GBP
Retailer 14£46,799 GBP
Retailer 16£46,799 GBP
Retailer 13£47,861 GBP
Retailer 3£48,118 GBP
Retailer 15£48,360 GBP
Retailer 11£54,267 GBP
Retailer 5£57,489 GBP
Retailer 12£57,908 GBP
MOH London£70,061 GBP

34 data points across 16 retailers

19 retailers£41,232 GBP to £70,061 GBP

Retailer 1
-
£38,300 GBP
Price last confirmed 30 days ago
B+
Retailer 2
-
£41,232 GBP
View
Final sale: no returns
Retailer 3
-
£42,346 GBP
View
Price last confirmed 37 days ago
Retailer 4
-
£42,358 GBP
View
Price last confirmed 34 days ago
Retailer 5
-
£42,621 GBP
View
Price last confirmed 37 days ago
B+
Retailer 6
-
£43,855 GBP
View
B+
Retailer 7
-
£44,933 GBP
View
B
Retailer 8
-
£44,959 GBP
View
Retailer 9
-
£45,320 GBP
View
Price last confirmed 22 days ago
B+
Retailer 10
-
£46,799 GBP
View
B+
Retailer 11
-
£46,799 GBP
View
B+
Retailer 12
-
£47,861 GBP
View
B+
Retailer 13
-
£47,945 GBP
View
B+
Retailer 14
-
£48,118 GBP
View
B+
Retailer 15
-
£48,360 GBP
View
B
Retailer 16
-
£54,267 GBP
View
Retailer 17
-
£57,489 GBP
View
Price last confirmed 10 days ago
B
Retailer 18
-
£57,908 GBP
View
Most Expensive
B
MOH London
635F530BF · Nov 4
£70,061 GBP
View
18 more retailers have this diamond
Prices start from £41,232 GBPSave up to £28,829 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+
3.50ct Cushion
£41,232 GBP