Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 7558652217

Certificate GIA 7558652217

Diamond specifications and retailer prices

From £2,427 GBP
$3,257 USD
As of November 1, 2026
Save £2,830 GBP (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,257 GBP at NZ Jewellers · As of November 2, 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 7558652217. Listed at 19 retailers as of November 1, 2026, with prices from £2,427 to £5,257, a £2,830 spread on the same certified stone. NZ Jewellers lists it at £5,257. 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 angle34°
OriginNatural
Grading LabGIA
CertificateGIA 7558652217
Dimensions6.50 × 6.55 × 3.92 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
6.50 mm6.55 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558652217
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilionCulet: NoneDepth 60.4%

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 1
Current: £5,047 GBP|Low: £2,427 GBP|High: £5,108 GBP|Avg: £3,303 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6£2,427 GBP
Retailer 7£2,623 GBP
Retailer 9£2,734 GBP
Retailer 2£2,903 GBP
Retailer 4£3,042 GBP
Retailer 8£3,236 GBP
Retailer 3£3,401 GBP
Retailer 5£3,709 GBP
Retailer 1£5,047 GBP

39 data points across 9 retailers

19 retailers£2,427 GBP to £5,257 GBP

B+
Cheapest Retailer
-
£2,427 GBP
$3,257 USD
B+
Retailer 2
-
£2,623 GBP
$3,520 USD
View
B+
Retailer 3
-
£2,734 GBP
$3,669 USD
View
B+
Retailer 4
-
£2,734 GBP
$3,669 USD
View
Retailer 5
-
£2,756 GBP
$3,698 USD
View
Price last confirmed 69 days ago
B+
Retailer 6
-
£2,839 GBP
$3,810 USD
View
B+
Retailer 7
-
£2,903 GBP
View
B+
Retailer 8
-
£3,042 GBP
View
B+
Retailer 9
-
£3,093 GBP
$4,150 USD
View
B+
Retailer 10
-
£3,093 GBP
$4,150 USD
View
B
Retailer 11
-
£3,154 GBP
$4,233 USD
View
B
Retailer 12
-
£3,197 GBP
$4,290 USD
View
Retailer 13
-
£3,236 GBP
A$6,680 AUD
View
Price last confirmed 29 days ago
B
Retailer 14
-
£3,401 GBP
€4,346 EUR
View
Retailer 15
-
£3,416 GBP
$4,584 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£3,709 GBP
ZAR 80,418 ZAR
View
Retailer 17
-
£4,160 GBP
$5,583 USD
View
Price last confirmed 70 days ago
B
Retailer 18
-
£5,047 GBP
View
Most Expensive
B
NZ Jewellers
89e70ee7-4ba2-4f76-b859-810f01cbc159 · Nov 2
£5,257 GBP
$7,055 USD
View
18 more retailers have this diamond
Prices start from £2,427 GBPSave up to £2,830 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
£2,427 GBP