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Cushion|Natural|GIA

1.01ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552450117

Certificate GIA 6552450117

Diamond specifications and retailer prices

From £937 GBP
As of November 6, 2026
Save £1,142 GBP (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,079 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion sits in the classic one-carat band, graded I 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 6552450117. Listed at 21 retailers as of November 4, 2026, with prices from £937 to £2,079, a £1,142 spread on the same certified stone. MOH London lists it at £2,079. 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

1.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.31°
Pavilion angle55.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552450117
Dimensions6.21 × 5.46 × 3.79 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.21 mm5.46 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552450117
Side View
Table 64.0%Crown 41.31°Girdle: THN-THKPavilion 55.2°Culet: NoneDepth 69.5%

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: £2,079 GBP|Low: £937 GBP|High: £2,095 GBP|Avg: £1,306 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
November 6, 2026
Retailer 12£937 GBP
Retailer 2£938 GBP
Retailer 3£1,052 GBP
Retailer 9£1,140 GBP
Retailer 5£1,154 GBP
Retailer 4£1,251 GBP
Retailer 11£1,279 GBP
Retailer 7£1,301 GBP
Retailer 8£1,319 GBP
Retailer 10£1,452 GBP
Retailer 6£1,616 GBP
MOH London£2,079 GBP

25 data points across 12 retailers

21 retailers£937 GBP to £2,079 GBP

A
Cheapest Retailer
-
£937 GBP
A
Retailer 2
-
£938 GBP
View
A
Retailer 3
-
£1,052 GBP
View
A
Retailer 4
-
£1,092 GBP
View
A
Retailer 5
-
£1,098 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,103 GBP
View
A
Retailer 7
-
£1,140 GBP
View
A
Retailer 8
-
£1,154 GBP
View
Retailer 9
-
£1,189 GBP
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£1,251 GBP
View
A
Retailer 11
-
£1,279 GBP
View
A
Retailer 12
-
£1,291 GBP
View
A
Retailer 13
-
£1,301 GBP
View
A
Retailer 14
-
£1,313 GBP
View
A
Retailer 15
-
£1,319 GBP
View
B+
Retailer 16
-
£1,452 GBP
View
Retailer 17
-
£1,552 GBP
View
Price last confirmed 33 days ago
B+
Retailer 18
-
£1,616 GBP
View
B+
Retailer 19
-
£1,757 GBP
View
B
Retailer 20
-
£1,806 GBP
View
Most Expensive
B+
MOH London
3991CD258 · Nov 4
£2,079 GBP
View
20 more retailers have this diamond
Prices start from £937 GBPSave up to £1,142 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
1.01ct Cushion
£937 GBP