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Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1568583547

Certificate GIA 1568583547

Diamond specifications and retailer prices

From £1,901 GBP
As of November 6, 2026
Save £2,477 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,378 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568583547. Listed at 18 retailers as of November 5, 2026, with prices from £1,901 to £4,378, a £2,477 spread on the same certified stone. NZ Jewellers lists it at £4,378. 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

1.25
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1568583547
Dimensions6.87 × 6.81 × 4.27 mm
L/W Ratio1.01
Top View
6.87 mm6.81 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568583547
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,378 GBP|Low: £1,883 GBP|High: £4,378 GBP|Avg: £2,637 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
Retailer 18
November 6, 2026
Retailer 11£1,901 GBP
Retailer 17£1,903 GBP
Retailer 10£2,058 GBP
Retailer 16£2,178 GBP
Retailer 9£2,231 GBP
Retailer 12£2,272 GBP
Retailer 7£2,344 GBP
Retailer 5£2,513 GBP
Retailer 13£2,584 GBP
Retailer 2£2,610 GBP
Retailer 6£2,620 GBP
Retailer 8£2,647 GBP
Retailer 18£2,701 GBP
Retailer 14£2,784 GBP
Retailer 3£2,900 GBP
Retailer 4£3,682 GBP
Retailer 15£4,191 GBP
NZ Jewellers£4,378 GBP

17 data points across 18 retailers

18 retailers£1,901 GBP to £4,378 GBP

A
Cheapest Retailer
-
£1,901 GBP
A
Retailer 2
-
£1,903 GBP
View
A
Retailer 3
-
£2,058 GBP
View
A
Retailer 4
-
£2,178 GBP
View
A
Retailer 5
-
£2,231 GBP
View
A
Retailer 6
-
£2,272 GBP
View
A
Retailer 7
-
£2,344 GBP
View
A
Retailer 8
-
£2,513 GBP
View
A
Retailer 9
-
£2,584 GBP
View
A
Retailer 10
-
£2,610 GBP
View
A
Retailer 11
-
£2,620 GBP
View
Retailer 12
-
£2,647 GBP
View
Price last confirmed 10 days ago
A
Retailer 13
-
£2,701 GBP
View
A
Retailer 14
-
£2,784 GBP
View
A
Retailer 15
-
£2,900 GBP
View
B+
Retailer 16
-
£3,682 GBP
View
B
Retailer 17
-
£4,191 GBP
View
Most Expensive
B
NZ Jewellers
31999514-0412-492c-a8d8-dd853b52aa1d · Nov 5
£4,378 GBP
$5,860 USD
View
17 more retailers have this diamond
Prices start from £1,901 GBPSave up to £2,477 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
1.25ct Round
£1,901 GBP