Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2467538272

Certificate GIA 2467538272

Diamond specifications and retailer prices

From £1,482 GBP
As of November 6, 2026
Save £2,304 GBP (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,786 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2467538272. Listed at 12 retailers as of November 5, 2026, with prices from £1,482 to £3,786, a £2,304 spread on the same certified stone. NZ Jewellers lists it at £3,786. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2467538272
Dimensions6.44 × 6.42 × 4.03 mm
L/W Ratio1.00
Top View
6.44 mm6.42 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2467538272
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £3,786 GBP|Low: £1,514 GBP|High: £3,786 GBP|Avg: £2,196 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£1,514 GBP
Retailer 9£1,523 GBP
Retailer 6£1,557 GBP
Retailer 2£1,709 GBP
Retailer 4£1,923 GBP
Retailer 3£2,210 GBP
Retailer 8£2,229 GBP
Retailer 5£3,172 GBP
NZ Jewellers£3,786 GBP

40 data points across 9 retailers

12 retailers£1,482 GBP to £3,786 GBP

B+
Cheapest Retailer
-
£1,482 GBP
B+
Retailer 2
-
£1,514 GBP
View
Final sale: no returns
B+
Retailer 3
-
£1,523 GBP
View
B+
Retailer 4
-
£1,557 GBP
View
B+
Retailer 5
-
£1,624 GBP
View
B+
Retailer 6
-
£1,649 GBP
View
B+
Retailer 7
-
£1,709 GBP
View
B+
Retailer 8
-
£1,923 GBP
View
B
Retailer 9
-
£2,210 GBP
View
Retailer 10
-
£2,229 GBP
View
Price last confirmed 30 days ago
B
Retailer 11
-
£3,172 GBP
View
Most Expensive
B
NZ Jewellers
f7f506a7-7e26-4f68-9649-a62c42759e85 · Nov 5
£3,786 GBP
$5,095 USD
View
11 more retailers have this diamond
Prices start from £1,482 GBPSave up to £2,304 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
£1,482 GBP