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Cushion|Natural|GIA

1.03ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 6247088539

Certificate GIA 6247088539

Diamond specifications and retailer prices

From £1,166 GBP
As of November 6, 2026
Save £1,601 GBP (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,768 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6247088539. Listed at 18 retailers as of November 4, 2026, with prices from £1,166 to £2,768, a £1,601 spread on the same certified stone. MOH London lists it at £2,768. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6247088539
Dimensions5.88 × 5.85 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.88 mm5.85 mm1.03 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6247088539
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,768 GBP|Low: £1,148 GBP|High: £2,775 GBP|Avg: £1,703 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 5£1,166 GBP
Retailer 2£1,362 GBP
Retailer 11£1,384 GBP
Retailer 3£1,482 GBP
Retailer 9£1,483 GBP
Retailer 16£1,501 GBP
Retailer 12£1,536 GBP
Retailer 17£1,559 GBP
Retailer 14£1,622 GBP
Retailer 8£1,643 GBP
Retailer 6£1,659 GBP
Retailer 4£1,745 GBP
Retailer 7£1,778 GBP
Retailer 15£1,933 GBP
Retailer 13£2,152 GBP
Retailer 10£2,509 GBP
MOH London£2,768 GBP

19 data points across 17 retailers

18 retailers£1,166 GBP to £2,768 GBP

A
Cheapest Retailer
-
£1,166 GBP
Retailer 2
-
£1,300 GBP
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,362 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,384 GBP
View
A
Retailer 5
-
£1,482 GBP
View
A
Retailer 6
-
£1,483 GBP
View
A
Retailer 7
-
£1,501 GBP
View
A
Retailer 8
-
£1,536 GBP
View
A
Retailer 9
-
£1,559 GBP
View
A
Retailer 10
-
£1,622 GBP
View
A
Retailer 11
-
£1,643 GBP
View
A
Retailer 12
-
£1,659 GBP
View
A
Retailer 13
-
£1,745 GBP
View
B+
Retailer 14
-
£1,778 GBP
View
B+
Retailer 15
-
£1,933 GBP
View
B+
Retailer 16
-
£2,152 GBP
View
B+
Retailer 17
-
£2,509 GBP
View
Most Expensive
B
MOH London
DD1B2ACBF · Nov 4
£2,768 GBP
View
17 more retailers have this diamond
Prices start from £1,166 GBPSave up to £1,601 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
£1,166 GBP