CaratHunter
Plans
Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2477931156

Certificate GIA 2477931156

Diamond specifications and retailer prices

From £2,468 GBP
As of November 4, 2026
Save £2,878 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,347 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 2477931156. Listed at 16 retailers as of November 4, 2026, with prices from £2,468 to £5,347, a £2,878 spread on the same certified stone. NZ Jewellers lists it at £5,347. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2477931156
Dimensions6.50 × 6.47 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.50 mm6.47 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477931156
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £2,936 GBP|Low: £2,522 GBP|High: £5,194 GBP|Avg: £3,336 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£2,522 GBP
Retailer 7£2,566 GBP
Retailer 1£2,936 GBP
Retailer 2£3,071 GBP
Retailer 8£3,290 GBP
Retailer 3£3,445 GBP
Retailer 4£3,746 GBP
Retailer 5£5,118 GBP

36 data points across 8 retailers

16 retailers£2,468 GBP to £5,347 GBP

B+
Cheapest Retailer
-
£2,468 GBP
B+
Retailer 2
-
£2,522 GBP
View
B+
Retailer 3
-
£2,566 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,664 GBP
View
Retailer 5
-
£2,780 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£2,780 GBP
View
B
Retailer 7
-
£2,887 GBP
View
B+
Retailer 8
-
£2,936 GBP
View
B
Retailer 9
-
£3,071 GBP
View
B
Retailer 10
-
£3,208 GBP
View
Retailer 11
-
£3,290 GBP
View
Price last confirmed 33 days ago
B
Retailer 12
-
£3,445 GBP
View
Retailer 13
-
£3,473 GBP
View
Price last confirmed 14 days ago
B
Retailer 14
-
£3,746 GBP
View
B
Retailer 15
-
£5,118 GBP
View
Most Expensive
B
NZ Jewellers
1de9a972-c0cf-4415-9d8b-f6fada7927d6 · Nov 5
£5,347 GBP
$7,196 USD
View
15 more retailers have this diamond
Prices start from £2,468 GBPSave up to £2,878 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
£2,468 GBP