CaratHunter
Plans
Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2245085981

Certificate GIA 2245085981

Diamond specifications and retailer prices

From £1,360 GBP
As of November 6, 2026
Save £2,548 GBP (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,908 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 2245085981. Listed at 9 retailers as of November 5, 2026, with prices from £1,360 to £3,908, a £2,548 spread on the same certified stone. NZ Jewellers lists it at £3,908. 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
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245085981
Dimensions6.43 × 6.46 × 4.06 mm
L/W Ratio1.00
Key to symbols
Crystal, Needle, Feather
Top View
6.43 mm6.46 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245085981
Side View
Table 55.0%CrownGirdle: THN-MEDPavilion 40.8°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: £3,908 GBP|Low: £1,360 GBP|High: £3,984 GBP|Avg: £2,275 GBP|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£1,360 GBP
Retailer 3£1,771 GBP
Retailer 8£1,869 GBP
Retailer 4£1,895 GBP
Retailer 7£1,956 GBP
Retailer 9£2,043 GBP
Retailer 5£2,276 GBP
Retailer 6£3,266 GBP
NZ Jewellers£3,908 GBP

22 data points across 9 retailers

9 retailers£1,360 GBP to £3,908 GBP

A
Cheapest Retailer
-
£1,360 GBP
A
Retailer 2
-
£1,771 GBP
View
A
Retailer 3
-
£1,869 GBP
View
B+
Retailer 4
-
£1,895 GBP
View
B+
Retailer 5
-
£1,956 GBP
View
B+
Retailer 6
-
£2,043 GBP
View
B+
Retailer 7
-
£2,276 GBP
View
B
Retailer 8
-
£3,266 GBP
View
Most Expensive
B
NZ Jewellers
320c87fb-5e1d-45f8-8c5c-507b92bd18b3 · Nov 5
£3,908 GBP
$5,260 USD
View
8 more retailers have this diamond
Prices start from £1,360 GBPSave up to £2,548 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
£1,360 GBP