Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6522672083

Certificate GIA 6522672083

Diamond specifications and retailer prices

From £1,873 GBP
As of November 4, 2026
Save £2,322 GBP (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,559 GBP at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

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 top-tier cut grade and certified by GIA 6522672083. Listed at 23 retailers as of November 4, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6522672083
Dimensions6.45 × 6.41 × 4.04 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.45 mm6.41 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6522672083
Side View
Table 57.0%Crown 34.5°Girdle: MD-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 4
Current: £4,381 GBP|Low: £1,863 GBP|High: £4,559 GBP|Avg: £2,772 GBP|-3.9%
NZ Jewellers
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
November 6, 2026
Retailer 13£1,873 GBP
Retailer 7£2,233 GBP
Retailer 12£2,270 GBP
Retailer 6£2,285 GBP
Retailer 15£2,321 GBP
Retailer 14£2,430 GBP
Retailer 5£2,515 GBP
Retailer 2£2,586 GBP
Retailer 8£2,609 GBP
Retailer 3£2,622 GBP
Retailer 16£2,687 GBP
Retailer 4£2,902 GBP
Retailer 10£2,925 GBP
Retailer 9£3,069 GBP
Retailer 11£4,195 GBP
NZ Jewellers£4,381 GBP

38 data points across 16 retailers

23 retailers£1,873 GBP to £4,195 GBP

A
Cheapest Retailer
-
£1,873 GBP
A
Retailer 2
-
£2,233 GBP
View
A
Retailer 3
-
£2,270 GBP
View
A
Retailer 4
-
£2,285 GBP
View
B+
Retailer 5
-
£2,321 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,430 GBP
View
Retailer 7
-
£2,515 GBP
View
Price last confirmed 15 days ago
Retailer 8
-
£2,515 GBP
View
Price last confirmed 21 days ago
B+
Retailer 9
-
£2,586 GBP
View
Retailer 10
-
£2,609 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
£2,612 GBP
View
Price last confirmed 22 days ago
Retailer 12
-
£2,617 GBP
View
Price last confirmed 50 days ago
B+
Retailer 13
-
£2,622 GBP
View
Retailer 14
-
£2,687 GBP
View
Price last confirmed 30 days ago
Retailer 15
-
£2,902 GBP
View
Price last confirmed 16 days ago
B+
Retailer 16
-
£2,925 GBP
View
Retailer 17
-
£3,020 GBP
View
Price last confirmed 45 days ago
Retailer 18
-
£3,020 GBP
View
Price last confirmed 50 days ago
B+
Retailer 19
-
£3,069 GBP
View
B
Retailer 20
-
£4,195 GBP
View
Retailer 21
-
£4,381 GBP
View
Price last confirmed 17 days ago
Retailer 22
-
£4,559 GBP
View
Price last confirmed 50 days ago
Most Expensive
NZ Jewellers
010f4b53-87c5-4171-a125-f351363cd4a9 · Sep 19
£4,559 GBP
$6,136 USD
View
Price last confirmed 47 days ago
22 more retailers have this diamond
Prices start from £1,873 GBPSave up to £2,322 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 Round
£1,873 GBP