Cushion|Natural|GIA

1.03ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 5446751558

Certificate GIA 5446751558

Diamond specifications and retailer prices

From £1,634 GBP
As of November 5, 2026
Save £1,871 GBP (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,505 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 5446751558. Listed at 16 retailers as of November 4, 2026, with prices from £1,634 to £3,505, a £1,871 spread on the same certified stone. MOH London lists it at £3,505. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5446751558
Dimensions5.78 × 5.65 × 3.85 mm
L/W Ratio1.02
Top View
5.78 mm5.65 mm1.03 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5446751558
Side View
Table 63.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 68.2%

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 5
Current: £3,505 GBP|Low: £1,445 GBP|High: £3,557 GBP|Avg: £2,213 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£1,677 GBP
Retailer 7£1,677 GBP
Retailer 6£1,808 GBP
Retailer 9£1,817 GBP
Retailer 3£2,123 GBP
Retailer 8£2,247 GBP
Retailer 4£2,448 GBP
Retailer 2£2,491 GBP
MOH London£3,505 GBP

45 data points across 9 retailers

16 retailers£1,634 GBP to £3,505 GBP

A
Cheapest Retailer
-
£1,634 GBP
A
Retailer 2
-
£1,641 GBP
View
A
Retailer 3
-
£1,642 GBP
View
Retailer 4
-
£1,677 GBP
View
Price last confirmed 19 days ago
A
Retailer 5
-
£1,677 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,753 GBP
View
B+
Retailer 7
-
£1,808 GBP
View
Retailer 8
-
£1,817 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£2,084 GBP
View
B+
Retailer 10
-
£2,084 GBP
View
B+
Retailer 11
-
£2,123 GBP
View
B+
Retailer 12
-
£2,159 GBP
View
Retailer 13
-
£2,247 GBP
View
Price last confirmed 31 days ago
B+
Retailer 14
-
£2,448 GBP
View
B+
Retailer 15
-
£2,491 GBP
View
Most Expensive
B
MOH London
D97243EBB · Nov 4
£3,505 GBP
View
15 more retailers have this diamond
Prices start from £1,634 GBPSave up to £1,871 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
£1,634 GBP