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Cushion|Natural|GIA

1.03ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6531801026

Certificate GIA 6531801026

Diamond specifications and retailer prices

From £1,061 GBP
As of November 6, 2026
Save £834 GBP (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,895 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct 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 6531801026. Listed at 3 retailers as of November 4, 2026, with prices from £1,061 to £1,895, a £834 spread on the same certified stone. MOH London lists it at £1,895. 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

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531801026
Dimensions6.44 × 5.16 × 3.52 mm
L/W Ratio1.25
Top View
6.44 mm5.16 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531801026
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,895 GBP|Low: £1,035 GBP|High: £1,910 GBP|Avg: £1,261 GBP|+15.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,035 GBP
Retailer 2£1,061 GBP
Retailer 4£1,069 GBP
Retailer 6£1,070 GBP
Retailer 3£1,438 GBP
MOH London£1,895 GBP

19 data points across 6 retailers

3 retailers£1,061 GBP to £1,895 GBP

B+
Cheapest Retailer
-
£1,061 GBP
B
Retailer 2
-
£1,438 GBP
View
Most Expensive
B
MOH London
9829389B0 · Nov 4
£1,895 GBP
View
2 more retailers have this diamond
Prices start from £1,061 GBPSave up to £834 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+
1.03ct Cushion
£1,061 GBP