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Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6562002031

Certificate GIA 6562002031

Diamond specifications and retailer prices

From £2,185 GBP
As of November 5, 2026
Save £2,102 GBP (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,523 GBP at NZ Jewellers · As of September 26, 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 6562002031. Listed at 13 retailers as of November 5, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6562002031
Dimensions6.80 × 6.84 × 4.33 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.80 mm6.84 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562002031
Side View
Table 56.0%Crown 36.5°GirdlePavilion 41°Culet: NoneDepth 63.5%

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 5
Current: £4,287 GBP|Low: £2,185 GBP|High: £4,444 GBP|Avg: £2,872 GBP|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£2,185 GBP
Retailer 2£2,224 GBP
Retailer 9£2,271 GBP
Retailer 8£2,480 GBP
Retailer 4£2,532 GBP
Retailer 7£2,568 GBP
Retailer 3£2,862 GBP
Retailer 6£4,103 GBP
NZ Jewellers£4,287 GBP

29 data points across 9 retailers

13 retailers£2,185 GBP to £4,287 GBP

A
Cheapest Retailer
-
£2,185 GBP
A
Retailer 2
-
£2,224 GBP
View
A
Retailer 3
-
£2,271 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,480 GBP
View
A
Retailer 5
-
£2,532 GBP
View
A
Retailer 6
-
£2,568 GBP
View
Retailer 7
-
£2,596 GBP
View
Price last confirmed 39 days ago
Retailer 8
-
£2,696 GBP
View
Price last confirmed 38 days ago
A
Retailer 9
-
£2,862 GBP
View
Retailer 10
-
£2,995 GBP
View
Price last confirmed 38 days ago
B
Retailer 11
-
£4,103 GBP
View
B+
Retailer 12
-
£4,287 GBP
View
Most Expensive
NZ Jewellers
57b53863-0fb0-44af-b3dc-856c8534a01f · Sep 26
£4,523 GBP
$6,054 USD
View
Price last confirmed 41 days ago
12 more retailers have this diamond
Prices start from £2,185 GBPSave up to £2,102 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
£2,185 GBP