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Cushion|Natural|GIA

1.06ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 1126470361

Certificate GIA 1126470361

Diamond specifications and retailer prices

From £1,405 GBP
As of November 4, 2026
Save £1,256 GBP (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,661 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.06ct natural cushion diamond

This 1.06ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1126470361. Listed at 4 retailers as of November 4, 2026, with prices from £1,405 to £2,661, a £1,256 spread on the same certified stone. MOH London lists it at £2,661. 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

1.06
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1126470361
Dimensions6.42 × 4.95 × 3.91 mm
L/W Ratio1.30
Girdle conditionFaceted
Key to symbols
Crystal, Cloud, Indented Natural, Natural
Top View
6.42 mm4.95 mm1.06 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1126470361
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 79.0%

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 4
Current: £2,661 GBP|Low: £1,360 GBP|High: £2,699 GBP|Avg: £1,914 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£1,405 GBP
Retailer 3£1,653 GBP
Retailer 2£1,939 GBP
MOH London£2,661 GBP

40 data points across 4 retailers

4 retailers£1,405 GBP to £2,661 GBP

B+
Cheapest Retailer
-
£1,405 GBP
B
Retailer 2
-
£1,653 GBP
View
B
Retailer 3
-
£1,939 GBP
View
Most Expensive
B
MOH London
B2E289D41 · Nov 4
£2,661 GBP
View
3 more retailers have this diamond
Prices start from £1,405 GBPSave up to £1,256 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+
1.06ct Cushion
£1,405 GBP