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Cushion|Natural|GIA

1.03ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1549795216

Certificate GIA 1549795216

Diamond specifications and retailer prices

From £1,339 GBP
As of November 6, 2026
Save £1,678 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,016 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549795216. Listed at 19 retailers as of November 4, 2026, with prices from £1,339 to £3,016, a £1,678 spread on the same certified stone. MOH London lists it at £3,016. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.7°
OriginNatural
Grading LabGIA
CertificateGIA 1549795216
Dimensions5.86 × 5.85 × 3.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.86 mm5.85 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549795216
Side View
Table 65.0%CrownGirdle: STK-THKPavilion 38.7°Culet: 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: £3,016 GBP|Low: £1,319 GBP|High: £3,025 GBP|Avg: £1,814 GBP|-0.1%
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
Retailer 18
November 6, 2026
Retailer 8£1,339 GBP
Retailer 17£1,359 GBP
Retailer 10£1,443 GBP
Retailer 18£1,474 GBP
Retailer 2£1,574 GBP
Retailer 5£1,584 GBP
Retailer 16£1,587 GBP
Retailer 6£1,659 GBP
Retailer 11£1,674 GBP
Retailer 15£1,687 GBP
Retailer 9£1,690 GBP
Retailer 7£1,774 GBP
Retailer 4£1,780 GBP
Retailer 13£1,876 GBP
Retailer 14£2,107 GBP
Retailer 12£2,143 GBP
Retailer 3£2,748 GBP
MOH London£3,016 GBP

19 data points across 18 retailers

19 retailers£1,339 GBP to £3,016 GBP

A
Cheapest Retailer
-
£1,339 GBP
A
Retailer 2
-
£1,359 GBP
View
A
Retailer 3
-
£1,443 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,474 GBP
View
A
Retailer 5
-
£1,574 GBP
View
A
Retailer 6
-
£1,584 GBP
View
A
Retailer 7
-
£1,587 GBP
View
A
Retailer 8
-
£1,659 GBP
View
A
Retailer 9
-
£1,674 GBP
View
A
Retailer 10
-
£1,687 GBP
View
A
Retailer 11
-
£1,690 GBP
View
A
Retailer 12
-
£1,774 GBP
View
B+
Retailer 13
-
£1,780 GBP
View
B+
Retailer 14
-
£1,876 GBP
View
B+
Retailer 15
-
£2,107 GBP
View
B+
Retailer 16
-
£2,143 GBP
View
Retailer 17
-
£2,219 GBP
View
Price last confirmed 30 days ago
B+
Retailer 18
-
£2,748 GBP
View
Most Expensive
B
MOH London
F95CF6D78 · Nov 4
£3,016 GBP
View
18 more retailers have this diamond
Prices start from £1,339 GBPSave up to £1,678 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
£1,339 GBP