Round|Natural|IGI

1.03ct L I1 Round Natural Diamond

EX • L/I1

Diamond specifications and retailer prices

From £533 GBP
As of November 5, 2026
Save £1,313 GBP (71%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: £2,070 GBP at NZ Jewellers · As of September 24, 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 L colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI. Listed at 33 retailers as of November 5, 2026, with a 246% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
L
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabIGI
Dimensions6.26 × 6.32 × 4.05 mm
L/W Ratio1.01
Top View
6.26 mm6.32 mm1.03 ctL / I1
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceFaint
CertificateIGI
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCuletDepth 64.3%

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 5
Current: £1,846 GBP|Low: £533 GBP|High: £2,070 GBP|Avg: £852 GBP|-10.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3£533 GBP
Retailer 4£539 GBP
Retailer 6£554 GBP
Retailer 2£588 GBP
Retailer 5£615 GBP
NZ Jewellers£1,846 GBP

24 data points across 6 retailers

33 retailers£533 GBP to £1,846 GBP

B+
Cheapest Retailer
-
£533 GBP
Retailer 2
-
£539 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£554 GBP
View
Retailer 4
-
£584 GBP
View
Price last confirmed 30 days ago
Retailer 5
-
£584 GBP
View
Price last confirmed 39 days ago
Retailer 6
-
£584 GBP
View
Price last confirmed 34 days ago
B+
Retailer 7
-
£588 GBP
View
Retailer 8
-
£590 GBP
View
Price last confirmed 45 days ago
Retailer 9
-
£590 GBP
View
Price last confirmed 57 days ago
Retailer 10
-
£590 GBP
View
Price last confirmed 50 days ago
Retailer 11
-
£590 GBP
View
Price last confirmed 60 days ago
Retailer 12
-
£590 GBP
View
Price last confirmed 30 days ago
Retailer 13
-
£612 GBP
View
Price last confirmed 38 days ago
B+
Retailer 14
-
£615 GBP
View
Retailer 15
-
£674 GBP
View
Price last confirmed 39 days ago
Retailer 16
-
£674 GBP
View
Price last confirmed 28 days ago
Retailer 17
-
£674 GBP
View
Price last confirmed 33 days ago
Retailer 18
-
£674 GBP
View
Price last confirmed 48 days ago
Retailer 19
-
£681 GBP
View
Price last confirmed 56 days ago
Retailer 20
-
£681 GBP
View
Price last confirmed 45 days ago
Retailer 21
-
£681 GBP
View
Price last confirmed 46 days ago
Retailer 22
-
£681 GBP
View
Price last confirmed 60 days ago
Retailer 23
-
£681 GBP
View
Price last confirmed 59 days ago
C
Retailer 24
-
£1,846 GBP
View
Retailer 25
-
£2,022 GBP
View
Price last confirmed 44 days ago
Retailer 26
-
£2,022 GBP
View
Price last confirmed 48 days ago
Retailer 27
-
£2,022 GBP
View
Price last confirmed 34 days ago
Retailer 28
-
£2,022 GBP
View
Price last confirmed 40 days ago
Retailer 29
-
£2,022 GBP
View
Price last confirmed 28 days ago
Retailer 30
-
£2,041 GBP
View
Price last confirmed 57 days ago
Retailer 31
-
£2,070 GBP
View
Price last confirmed 47 days ago
Retailer 32
-
£2,070 GBP
View
Price last confirmed 53 days ago
Most Expensive
NZ Jewellers
09273c3a-97fa-41e5-a3e0-548a2485253f · Sep 24
£2,070 GBP
$2,786 USD
View
Price last confirmed 42 days ago
32 more retailers have this diamond
Prices start from £533 GBPSave up to £1,313 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
£533 GBP