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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 5196995793

Certificate GIA 5196995793

Diamond specifications and retailer prices

From £2,776 GBP
As of November 6, 2026
Save £4,123 GBP (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,898 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 5196995793. Listed at 16 retailers as of November 5, 2026, with prices from £2,776 to £6,898, a £4,123 spread on the same certified stone. Diamond Quarter lists it at £6,898. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5196995793
Dimensions6.20 × 6.18 × 4.07 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.20 mm6.18 mm1.03 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5196995793
Side View
Table 59.0%Crown 38°Girdle: Very ThickPavilion 40.6°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,406 GBP|Low: £2,776 GBP|High: £5,612 GBP|Avg: £3,604 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£2,776 GBP
Retailer 6£2,812 GBP
Retailer 9£2,989 GBP
Retailer 8£2,998 GBP
Retailer 2£3,155 GBP
Retailer 1£3,406 GBP
Retailer 7£3,510 GBP
Retailer 4£3,914 GBP
Retailer 3£4,248 GBP
Retailer 5£5,530 GBP

43 data points across 10 retailers

16 retailers£2,776 GBP to £6,898 GBP

B+
Cheapest Retailer
-
£2,776 GBP
B+
Retailer 2
-
£2,812 GBP
View
B
Retailer 3
-
£2,989 GBP
View
B
Retailer 4
-
£2,998 GBP
View
Retailer 5
-
£3,155 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£3,155 GBP
View
B
Retailer 7
-
£3,155 GBP
View
B
Retailer 8
-
£3,406 GBP
View
Retailer 9
-
£3,510 GBP
View
Price last confirmed 28 days ago
B
Retailer 10
-
£3,640 GBP
View
Retailer 11
-
£3,846 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
£3,914 GBP
View
B
Retailer 13
-
£4,248 GBP
View
B
Retailer 14
-
£5,530 GBP
View
C
Retailer 15
-
£6,066 GBP
View
Most Expensive
C
Diamond Quarter
1.03SI1E5193311EN · Nov 5
£6,898 GBP
View
15 more retailers have this diamond
Prices start from £2,776 GBPSave up to £4,123 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.

B+
1.03ct Round
£2,776 GBP