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Cushion|Natural|GIA

1.03ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2568757880

Certificate GIA 2568757880

Diamond specifications and retailer prices

From £1,336 GBP
As of November 6, 2026
Save £1,079 GBP (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,415 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 2568757880. Listed at 11 retailers as of November 6, 2026, with prices from £1,336 to £2,415, a £1,079 spread on the same certified stone. Helzberg Diamonds lists it at £2,415. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2568757880
Dimensions6.47 × 5.17 × 3.59 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.47 mm5.17 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2568757880
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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: £2,415 GBP|Low: £1,336 GBP|High: £2,415 GBP|Avg: £1,726 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£1,336 GBP
Retailer 6£1,347 GBP
Retailer 9£1,363 GBP
Retailer 7£1,414 GBP
Retailer 3£1,467 GBP
Retailer 5£1,474 GBP
Retailer 11£1,741 GBP
Retailer 4£1,901 GBP
Retailer 8£2,054 GBP
Retailer 10£2,256 GBP
Helzberg Diamonds£2,415 GBP

4 data points across 11 retailers

11 retailers£1,336 GBP to £2,415 GBP

A
Cheapest Retailer
-
£1,336 GBP
A
Retailer 2
-
£1,347 GBP
View
A
Retailer 3
-
£1,363 GBP
View
A
Retailer 4
-
£1,414 GBP
View
A
Retailer 5
-
£1,467 GBP
View
A
Retailer 6
-
£1,474 GBP
View
B+
Retailer 7
-
£1,741 GBP
View
B+
Retailer 8
-
£1,901 GBP
View
B+
Retailer 9
-
£2,054 GBP
View
B
Retailer 10
-
£2,256 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRILMONLNOOG · Nov 6
£2,415 GBP
$3,232 USD
View
10 more retailers have this diamond
Prices start from £1,336 GBPSave up to £1,079 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
£1,336 GBP