CaratHunter
Plans
Cushion|Natural|GIA

3.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6562026661

Certificate GIA 6562026661

Diamond specifications and retailer prices

From £34,809 GBP
As of November 6, 2026
Save £26,066 GBP (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £60,875 GBP at MOH London · As of November 2, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562026661. Listed at 13 retailers as of November 2, 2026, with prices from £34,809 to £60,875, a £26,066 spread on the same certified stone. MOH London lists it at £60,875. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.49°
OriginNatural
Grading LabGIA
CertificateGIA 6562026661
Dimensions10.54 × 8.11 × 5.66 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
10.54 mm8.11 mm3.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562026661
Side View
Table 67.0%Crown 35.49°Girdle: VTN-STKPavilionCulet: NoneDepth 69.8%

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: £60,875 GBP|Low: £31,543 GBP|High: £61,201 GBP|Avg: £40,654 GBP|+10.3%
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 2, 2026
Retailer 5£33,306 GBP
Retailer 15£34,809 GBP
Retailer 3£35,324 GBP
Retailer 4£35,730 GBP
Retailer 16£37,744 GBP
Retailer 13£38,978 GBP
Retailer 10£39,311 GBP
Retailer 14£39,754 GBP
Retailer 8£39,862 GBP
Retailer 6£41,539 GBP
Retailer 7£41,539 GBP
Retailer 12£41,693 GBP
Retailer 2£44,845 GBP
Retailer 9£47,280 GBP
Retailer 11£50,530 GBP
MOH London£60,875 GBP

28 data points across 16 retailers

13 retailers£34,809 GBP to £60,875 GBP

Retailer 1
-
£33,306 GBP
Price last confirmed 19 days ago
Retailer 2
-
£33,512 GBP
View
Price last confirmed 34 days ago
B+
Retailer 3
-
£34,809 GBP
View
B
Retailer 4
-
£35,324 GBP
View
B
Retailer 5
-
£37,744 GBP
View
Retailer 6
-
£38,978 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
£39,311 GBP
View
B
Retailer 8
-
£39,754 GBP
View
B
Retailer 9
-
£41,693 GBP
View
B
Retailer 10
-
£44,845 GBP
View
B
Retailer 11
-
£47,280 GBP
View
B
Retailer 12
-
£50,530 GBP
View
Most Expensive
B
MOH London
2895E7CB8 · Nov 2
£60,875 GBP
View
12 more retailers have this diamond
Prices start from £34,809 GBPSave up to £26,066 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
£34,809 GBP