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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6532941944

Certificate GIA 6532941944

Diamond specifications and retailer prices

From £1,707 GBP
As of November 4, 2026
Save £2,161 GBP (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,868 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532941944. Listed at 15 retailers as of November 4, 2026, with prices from £1,707 to £3,868, a £2,161 spread on the same certified stone. NZ Jewellers lists it at £3,868. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532941944
Dimensions6.44 × 6.39 × 4.04 mm
L/W Ratio1.01
Star length50%
Top View
6.44 mm6.39 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532941944
Side View
Table 58.0%Crown 34.5°Girdle: ThickPavilion 41.6°Culet: NoneDepth 63.1%

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: £3,868 GBP|Low: £1,562 GBP|High: £3,868 GBP|Avg: £2,058 GBP
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
Retailer 17
November 6, 2026
Retailer 7£1,566 GBP
Retailer 8£1,690 GBP
Retailer 3£1,707 GBP
Retailer 2£1,770 GBP
Retailer 4£1,835 GBP
Retailer 17£1,850 GBP
Retailer 9£1,921 GBP
Retailer 16£1,935 GBP
Retailer 10£1,946 GBP
Retailer 5£1,976 GBP
Retailer 14£2,063 GBP
Retailer 6£2,078 GBP
Retailer 11£2,135 GBP
Retailer 12£2,193 GBP
Retailer 13£2,258 GBP
Retailer 15£3,233 GBP
NZ Jewellers£3,868 GBP

15 data points across 17 retailers

15 retailers£1,707 GBP to £3,868 GBP

Retailer 1
-
£1,690 GBP
Price last confirmed 82 days ago
A
Retailer 2
-
£1,707 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,770 GBP
View
B+
Retailer 4
-
£1,835 GBP
View
B+
Retailer 5
-
£1,850 GBP
View
B+
Retailer 6
-
£1,935 GBP
View
B+
Retailer 7
-
£1,946 GBP
View
Retailer 8
-
£1,976 GBP
View
Price last confirmed 28 days ago
B+
Retailer 9
-
£2,063 GBP
View
Retailer 10
-
£2,078 GBP
View
Price last confirmed 35 days ago
B+
Retailer 11
-
£2,135 GBP
View
B+
Retailer 12
-
£2,193 GBP
View
B+
Retailer 13
-
£2,258 GBP
View
B
Retailer 14
-
£3,233 GBP
View
Most Expensive
B
NZ Jewellers
96913995-29b3-49a2-86a4-b328455ae674 · Nov 5
£3,868 GBP
$5,206 USD
View
14 more retailers have this diamond
Prices start from £1,707 GBPSave up to £2,161 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
£1,707 GBP