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2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 779663033

Shape and cutting style on the report: Round brilliant

Certificate IGI 779663033

Diamond specifications and retailer prices

From £7,626 GBP
SGD 13,809 SGD
As of October 31, 2026
Save £1,959 GBP (20%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £9,586 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 779663033. Listed at 8 retailers as of October 26, 2026, with prices from £7,626 to £9,586, a £1,959 spread on the same certified stone. Wholesale Diamonds Direct lists it at £9,586. 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

2.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 779663033
Dimensions8.56 × 8.60 × 5.41 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.56 mm8.60 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 779663033
Side View
Table 56.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.1%

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: Oct 31
Current: £8,973 GBP|Low: £7,626 GBP|High: £10,344 GBP|Avg: £8,807 GBP|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 1, 2026
Retailer 4£7,626 GBP
Retailer 3£7,676 GBP
Retailer 2£7,789 GBP
Retailer 5£7,993 GBP
Retailer 1£8,973 GBP
Retailer 6£8,974 GBP
Retailer 7£9,559 GBP
Wholesale Diamonds Direct£9,586 GBP

22 data points across 8 retailers

8 retailers£7,626 GBP to £9,586 GBP

A
Cheapest Retailer
-
£7,626 GBP
SGD 13,809 SGD
A
Retailer 2
-
£7,676 GBP
$10,285 USD
View
A
Retailer 3
-
£7,789 GBP
$10,436 USD
View
A
Retailer 4
-
£7,993 GBP
$10,710 USD
View
A
Retailer 5
-
£8,973 GBP
€11,450 EUR
View
A
Retailer 6
-
£8,974 GBP
$12,025 USD
View
B+
Retailer 7
-
£9,559 GBP
$12,808 USD
View
Most Expensive
A
Wholesale Diamonds Direct
584618837 · Oct 26
£9,586 GBP
$12,844 USD
View
7 more retailers have this diamond
Prices start from £7,626 GBPSave up to £1,959 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
2.51ct Round
£7,626 GBP