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Cushion|Natural|GIA

1.03ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6555604080

Certificate GIA 6555604080

Diamond specifications and retailer prices

From £1,016 GBP
As of November 6, 2026
Save £912 GBP (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,928 GBP at MOH London · As of November 1, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555604080. Listed at 4 retailers as of November 1, 2026, with prices from £1,016 to £1,928, a £912 spread on the same certified stone. MOH London lists it at £1,928. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555604080
Dimensions6.67 × 5.08 × 3.44 mm
L/W Ratio1.31
Key to symbols
Crystal, Needle
Top View
6.67 mm5.08 mm1.03 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555604080
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,928 GBP|Low: £879 GBP|High: £2,197 GBP|Avg: £1,463 GBP|-11.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£1,016 GBP
Retailer 3£1,192 GBP
Retailer 2£1,524 GBP
MOH London£1,928 GBP

25 data points across 4 retailers

4 retailers£1,016 GBP to £1,928 GBP

A
Cheapest Retailer
-
£1,016 GBP
Final sale: no returns
A
Retailer 2
-
£1,192 GBP
View
B+
Retailer 3
-
£1,524 GBP
View
Most Expensive
B+
MOH London
5359448B7 · Nov 1
£1,928 GBP
View
3 more retailers have this diamond
Prices start from £1,016 GBPSave up to £912 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
1.03ct Cushion
£1,016 GBP