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Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6545750062

Certificate GIA 6545750062

Diamond specifications and retailer prices

From £2,752 GBP
As of November 5, 2026
7 retailers carry this diamond
Most expensive: £4,602 GBP at NZ Jewellers · As of October 27, 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 6545750062. Listed at 7 retailers as of November 5, 2026. 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
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545750062
Dimensions6.81 × 6.85 × 4.27 mm
L/W Ratio1.01
Top View
6.81 mm6.85 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545750062
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £4,602 GBP|Low: £2,400 GBP|High: £4,602 GBP|Avg: £3,094 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 2£2,415 GBP
Retailer 5£2,454 GBP
Retailer 6£2,642 GBP
Retailer 4£2,743 GBP
Retailer 7£2,752 GBP
Retailer 9£2,965 GBP
Retailer 10£3,082 GBP
Retailer 8£3,228 GBP
Retailer 3£4,423 GBP
NZ Jewellers£4,602 GBP

18 data points across 10 retailers

7 retailers

Retailer 1
-
£2,415 GBP
Price last confirmed 9 days ago
Retailer 2
-
£2,454 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£2,642 GBP
View
Price last confirmed 17 days ago
Retailer 4
-
£2,743 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£2,752 GBP
View
Retailer 6
-
£4,423 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
aa7a0de9-9b86-4830-a61e-7ab6f33ad2a6 · Oct 27
£4,602 GBP
$6,160 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from £2,752 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
£2,752 GBP