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Round|Natural|GIA

1.03ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6462415499

Certificate GIA 6462415499

Diamond specifications and retailer prices

From £1,688 GBP
As of November 5, 2026
Save £2,337 GBP (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,026 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6462415499. Listed at 15 retailers as of November 5, 2026, with prices from £1,688 to £4,026, a £2,337 spread on the same certified stone. NZ Jewellers lists it at £4,026. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6462415499
Dimensions6.45 × 6.42 × 4.03 mm
L/W Ratio1.00
Top View
6.45 mm6.42 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6462415499
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 5
Current: £4,026 GBP|Low: £1,688 GBP|High: £4,026 GBP|Avg: £2,281 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
November 6, 2026
Retailer 11£1,688 GBP
Retailer 8£1,724 GBP
Retailer 7£1,768 GBP
Retailer 9£1,849 GBP
Retailer 4£1,925 GBP
Retailer 12£1,925 GBP
Retailer 10£2,014 GBP
Retailer 2£2,025 GBP
Retailer 3£2,222 GBP
Retailer 5£2,389 GBP
Retailer 6£3,364 GBP
NZ Jewellers£4,026 GBP

42 data points across 12 retailers

15 retailers£1,688 GBP to £4,026 GBP

A
Cheapest Retailer
-
£1,688 GBP
A
Retailer 2
-
£1,724 GBP
View
A
Retailer 3
-
£1,768 GBP
View
Retailer 4
-
£1,925 GBP
View
Price last confirmed 56 days ago
Retailer 5
-
£1,925 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,925 GBP
View
B+
Retailer 7
-
£2,014 GBP
View
B+
Retailer 8
-
£2,025 GBP
View
B+
Retailer 9
-
£2,030 GBP
View
Retailer 10
-
£2,222 GBP
View
Price last confirmed 60 days ago
B+
Retailer 11
-
£2,222 GBP
View
B+
Retailer 12
-
£2,389 GBP
View
B
Retailer 13
-
£3,364 GBP
View
Retailer 14
-
£4,026 GBP
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
23dd7d80-94a9-4e98-b5b7-dbdfd64969d3 · Nov 5
£4,026 GBP
$5,418 USD
View
14 more retailers have this diamond
Prices start from £1,688 GBPSave up to £2,337 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
£1,688 GBP