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Round|Natural|GIA

1.03ct L I1 Round Natural Diamond

EX • L/I1 • GIA 5456265765

Certificate GIA 5456265765

Diamond specifications and retailer prices

From £618 GBP
As of November 6, 2026
Save £1,330 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,948 GBP at NZ Jewellers · As of November 5, 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 GIA 5456265765. Listed at 10 retailers as of November 5, 2026, with prices from £618 to £1,948, a £1,330 spread on the same certified stone. NZ Jewellers lists it at £1,948. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5456265765
Dimensions6.41 × 6.43 × 4.04 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.41 mm6.43 mm1.03 ctL / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5456265765
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.9%

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: £1,948 GBP|Low: £609 GBP|High: £2,084 GBP|Avg: £969 GBP|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6£618 GBP
Retailer 5£640 GBP
Retailer 12£765 GBP
Retailer 10£799 GBP
Retailer 11£799 GBP
Retailer 8£830 GBP
Retailer 4£858 GBP
Retailer 3£862 GBP
Retailer 9£922 GBP
Retailer 2£1,111 GBP
Retailer 7£1,214 GBP
NZ Jewellers£1,948 GBP

43 data points across 12 retailers

10 retailers£618 GBP to £1,948 GBP

A
Cheapest Retailer
-
£618 GBP
A
Retailer 2
-
£640 GBP
View
B+
Retailer 3
-
£765 GBP
View
B+
Retailer 4
-
£799 GBP
View
Retailer 5
-
£799 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£830 GBP
View
B+
Retailer 7
-
£922 GBP
View
B
Retailer 8
-
£1,111 GBP
View
B
Retailer 9
-
£1,214 GBP
View
Most Expensive
C
NZ Jewellers
c4b5af44-7051-43f6-9312-b52dac2ff0e8 · Nov 5
£1,948 GBP
$2,622 USD
View
9 more retailers have this diamond
Prices start from £618 GBPSave up to £1,330 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
£618 GBP