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Cushion|Natural|GIA

1.16ct K SI1 Cushion Natural Diamond

VG • K/SI1 • GIA 1152628187

Certificate GIA 1152628187

Diamond specifications and retailer prices

From £2,390 GBP
As of November 6, 2026
Save £2,343 GBP (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,733 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.16ct natural cushion diamond

This 1.16ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1152628187. Listed at 7 retailers as of November 4, 2026, with prices from £2,390 to £4,733, a £2,343 spread on the same certified stone. MOH London lists it at £4,733. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.16
Carat
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1152628187
Dimensions6.25 × 5.71 × 4.07 mm
L/W Ratio1.09
Top View
6.25 mm5.71 mm1.16 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1152628187
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 71.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,733 GBP|Low: £2,317 GBP|High: £4,803 GBP|Avg: £3,108 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£2,342 GBP
Retailer 6£2,390 GBP
Retailer 5£2,693 GBP
Retailer 3£2,936 GBP
Retailer 7£3,213 GBP
Retailer 2£3,302 GBP
MOH London£4,733 GBP

34 data points across 7 retailers

7 retailers£2,390 GBP to £4,733 GBP

Retailer 1
-
£2,342 GBP
Price last confirmed 10 days ago
B
Retailer 2
-
£2,390 GBP
View
B
Retailer 3
-
£2,693 GBP
View
B
Retailer 4
-
£2,936 GBP
View
Retailer 5
-
£3,213 GBP
View
Price last confirmed 15 days ago
B
Retailer 6
-
£3,302 GBP
View
Most Expensive
B
MOH London
C88439F84 · Nov 4
£4,733 GBP
View
6 more retailers have this diamond
Prices start from £2,390 GBPSave up to £2,343 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
1.16ct Cushion
£2,390 GBP