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Cushion|Natural|GIA

1.03ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1155993313

Certificate GIA 1155993313

Diamond specifications and retailer prices

From £2,687 GBP
As of November 6, 2026
Save £1,822 GBP (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,510 GBP at MOH London · As of November 2, 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 1155993313. Listed at 5 retailers as of November 2, 2026, with prices from £2,687 to £4,510, a £1,822 spread on the same certified stone. MOH London lists it at £4,510. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1155993313
Dimensions5.81 × 5.61 × 3.90 mm
L/W Ratio1.04
Top View
5.81 mm5.61 mm1.03 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1155993313
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.6%

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: £4,510 GBP|Low: £2,205 GBP|High: £4,564 GBP|Avg: £3,035 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£2,234 GBP
Retailer 6£2,462 GBP
Retailer 2£2,687 GBP
Retailer 4£2,773 GBP
Retailer 3£3,139 GBP
MOH London£4,510 GBP

44 data points across 6 retailers

5 retailers£2,687 GBP to £4,510 GBP

Retailer 1
-
£2,234 GBP
Price last confirmed 39 days ago
B
Retailer 2
-
£2,687 GBP
View
B
Retailer 3
-
£2,773 GBP
View
B
Retailer 4
-
£3,139 GBP
View
Most Expensive
B
MOH London
9EC533B3C · Nov 2
£4,510 GBP
View
4 more retailers have this diamond
Prices start from £2,687 GBPSave up to £1,822 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
£2,687 GBP