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Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2567678759

Certificate GIA 2567678759

Diamond specifications and retailer prices

From £2,170 GBP
₹276,974 INR
As of November 1, 2026
Save £2,514 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,685 GBP at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567678759. Listed at 17 retailers as of October 30, 2026, with prices from £2,170 to £4,685, a £2,514 spread on the same certified stone. NZ Jewellers lists it at £4,685. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2567678759
Dimensions6.54 × 6.51 × 3.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
6.54 mm6.51 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567678759
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

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 1
Current: £4,685 GBP|Low: £2,170 GBP|High: £4,685 GBP|Avg: £2,913 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 2, 2026
Retailer 8£2,170 GBP
Retailer 16£2,388 GBP
Retailer 6£2,420 GBP
Retailer 17£2,482 GBP
Retailer 5£2,582 GBP
Retailer 11£2,587 GBP
Retailer 4£2,689 GBP
Retailer 7£2,689 GBP
Retailer 12£2,770 GBP
Retailer 2£2,793 GBP
Retailer 9£2,930 GBP
Retailer 13£2,951 GBP
Retailer 10£3,102 GBP
Retailer 3£3,118 GBP
Retailer 15£3,305 GBP
Retailer 14£4,497 GBP
NZ Jewellers£4,685 GBP

6 data points across 17 retailers

17 retailers£2,170 GBP to £4,685 GBP

A
Cheapest Retailer
-
£2,170 GBP
₹276,974 INR
B+
Retailer 2
-
£2,388 GBP
$3,199 USD
View
B+
Retailer 3
-
£2,420 GBP
$3,243 USD
View
B+
Retailer 4
-
£2,482 GBP
$3,325 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,582 GBP
$3,460 USD
View
B+
Retailer 6
-
£2,587 GBP
View
B+
Retailer 7
-
£2,689 GBP
$3,603 USD
View
B+
Retailer 8
-
£2,689 GBP
$3,603 USD
View
B+
Retailer 9
-
£2,770 GBP
View
B+
Retailer 10
-
£2,793 GBP
$3,742 USD
View
B+
Retailer 11
-
£2,930 GBP
$3,925 USD
View
B+
Retailer 12
-
£2,951 GBP
€3,766 EUR
View
B+
Retailer 13
-
£3,102 GBP
$4,157 USD
View
B+
Retailer 14
-
£3,118 GBP
View
B
Retailer 15
-
£3,305 GBP
ZAR 71,546 ZAR
View
B
Retailer 16
-
£4,497 GBP
View
Most Expensive
B
NZ Jewellers
8f5699ca-cc8d-45ac-adb5-ef3bc9e9b851 · Oct 30
£4,685 GBP
$6,277 USD
View
16 more retailers have this diamond
Prices start from £2,170 GBPSave up to £2,514 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
£2,170 GBP