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Cushion|Natural|GIA

1.00ct K IF Cushion Natural Diamond

EX • K/IF • GIA 6561413515

Certificate GIA 6561413515

Diamond specifications and retailer prices

From £666 GBP
As of November 6, 2026
Save £702 GBP (51%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,367 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561413515. Listed at 6 retailers as of November 4, 2026, with prices from £666 to £1,367, a £702 spread on the same certified stone. MOH London lists it at £1,367. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6561413515
Dimensions5.54 × 5.49 × 3.72 mm
L/W Ratio1.01
Top View
5.54 mm5.49 mm1.00 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6561413515
Side View
Table 62.0%CrownGirdlePavilionCuletDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,367 GBP|Low: £665 GBP|High: £2,048 GBP|Avg: £1,245 GBP|-33.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£666 GBP
Retailer 5£855 GBP
Retailer 3£911 GBP
Retailer 4£1,027 GBP
Retailer 7£1,211 GBP
MOH London£1,367 GBP
Retailer 6£1,517 GBP

26 data points across 7 retailers

6 retailers£666 GBP to £1,367 GBP

A
Cheapest Retailer
-
£666 GBP
A
Retailer 2
-
£855 GBP
View
A
Retailer 3
-
£911 GBP
View
B+
Retailer 4
-
£1,027 GBP
View
Retailer 5
-
£1,211 GBP
View
Price last confirmed 20 days ago
Most Expensive
B+
MOH London
E48DFB978 · Nov 4
£1,367 GBP
View
5 more retailers have this diamond
Prices start from £666 GBPSave up to £702 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
1.00ct Cushion
£666 GBP