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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1568539086

Certificate GIA 1568539086

Diamond specifications and retailer prices

From £1,804 GBP
As of November 4, 2026
Save £2,407 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,211 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct 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 1568539086. Listed at 16 retailers as of November 4, 2026, with prices from £1,804 to £4,211, a £2,407 spread on the same certified stone. NZ Jewellers lists it at £4,211. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1568539086
Dimensions6.49 × 6.54 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
6.49 mm6.54 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1568539086
Side View
Table 61.0%Crown 32.5°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 61.2%

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 4
Current: £4,211 GBP|Low: £1,804 GBP|High: £4,313 GBP|Avg: £2,324 GBP|-1.2%
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
November 6, 2026
Retailer 4£1,804 GBP
Retailer 13£1,834 GBP
Retailer 6£1,860 GBP
Retailer 2£1,928 GBP
Retailer 14£1,984 GBP
Retailer 3£2,014 GBP
Retailer 15£2,014 GBP
Retailer 5£2,062 GBP
Retailer 16£2,092 GBP
Retailer 9£2,120 GBP
Retailer 7£2,176 GBP
Retailer 8£2,324 GBP
Retailer 10£2,459 GBP
Retailer 11£2,500 GBP
Retailer 12£3,520 GBP
NZ Jewellers£4,211 GBP

22 data points across 16 retailers

16 retailers£1,804 GBP to £4,211 GBP

A
Cheapest Retailer
-
£1,804 GBP
A
Retailer 2
-
£1,834 GBP
View
A
Retailer 3
-
£1,860 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,928 GBP
View
A
Retailer 5
-
£1,984 GBP
View
A
Retailer 6
-
£2,014 GBP
View
Retailer 7
-
£2,014 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£2,062 GBP
View
A
Retailer 9
-
£2,092 GBP
View
A
Retailer 10
-
£2,120 GBP
View
B+
Retailer 11
-
£2,176 GBP
View
B+
Retailer 12
-
£2,324 GBP
View
B+
Retailer 13
-
£2,459 GBP
View
B+
Retailer 14
-
£2,500 GBP
View
B
Retailer 15
-
£3,520 GBP
View
Most Expensive
B
NZ Jewellers
290dbc2f-2003-4c37-ba32-b61c12f1e6a1 · Nov 5
£4,211 GBP
$5,637 USD
View
15 more retailers have this diamond
Prices start from £1,804 GBPSave up to £2,407 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
1.05ct Round
£1,804 GBP