CaratHunter
Plans
Cushion|Natural|GIA

1.03ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1555141184

Certificate GIA 1555141184

Diamond specifications and retailer prices

From £1,505 GBP
As of November 4, 2026
Save £1,397 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,902 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 1555141184. Listed at 7 retailers as of November 4, 2026, with prices from £1,505 to £2,902, a £1,397 spread on the same certified stone. MOH London lists it at £2,902. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555141184
Dimensions6.60 × 5.05 × 3.50 mm
L/W Ratio1.31
Key to symbols
Twinning Wisp, Feather
Top View
6.60 mm5.05 mm1.03 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555141184
Side View
Table 59.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 69.3%

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 4
Current: £2,902 GBP|Low: £874 GBP|High: £2,914 GBP|Avg: £1,719 GBP|+32.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8£874 GBP
Retailer 9£1,259 GBP
Retailer 6£1,505 GBP
Retailer 2£1,544 GBP
Retailer 7£1,707 GBP
Retailer 4£1,857 GBP
Retailer 5£2,077 GBP
Retailer 3£2,123 GBP
MOH London£2,902 GBP

35 data points across 9 retailers

7 retailers£1,505 GBP to £2,902 GBP

A
Cheapest Retailer
-
£1,505 GBP
A
Retailer 2
-
£1,544 GBP
View
A
Retailer 3
-
£1,707 GBP
View
B+
Retailer 4
-
£1,857 GBP
View
B+
Retailer 5
-
£2,077 GBP
View
B+
Retailer 6
-
£2,123 GBP
View
Most Expensive
B
MOH London
BD0C3D2D7 · Nov 4
£2,902 GBP
View
6 more retailers have this diamond
Prices start from £1,505 GBPSave up to £1,397 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
£1,505 GBP