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Cushion|Natural|IGI

2.50ct F SI2 Cushion Natural Diamond

VG • F/SI2 • IGI 799674959

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 799674959

Diamond specifications and retailer prices

From £5,064 GBP
SGD 9,184 SGD
As of October 31, 2026
Save £1,580 GBP (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,645 GBP at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 2.5ct natural cushion diamond

This 2.5ct natural cushion sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 799674959. Listed at 6 retailers as of October 31, 2026, with prices from £5,064 to £6,645, a £1,580 spread on the same certified stone. The Diamond Guys lists it at £6,645. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle35.4°
OriginNatural
Grading LabIGI
CertificateIGI 799674959
Dimensions8.31 × 7.09 × 4.94 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
8.31 mm7.09 mm2.50 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799674959
Side View
Table 60.0%Crown 35.8°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 69.7%

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: £5,219 GBP|Low: £4,289 GBP|High: £7,824 GBP|Avg: £6,225 GBP|-11.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
October 28, 2026
Retailer 7£4,289 GBP
Retailer 3£5,064 GBP
Retailer 2£5,172 GBP
Retailer 1£5,219 GBP
Retailer 5£6,071 GBP
Retailer 4£6,509 GBP
The Diamond Guys£6,645 GBP
Retailer 8£7,386 GBP
Retailer 6£7,824 GBP

24 data points across 9 retailers

6 retailers£5,064 GBP to £6,645 GBP

A
Cheapest Retailer
-
£5,064 GBP
SGD 9,184 SGD
A
Retailer 2
-
£5,172 GBP
$6,940 USD
View
A
Retailer 3
-
£5,219 GBP
$7,003 USD
View
A
Retailer 4
-
£6,071 GBP
$8,147 USD
View
Retailer 5
-
£6,509 GBP
$8,734 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
The Diamond Guys
1959625866 · Nov 2
£6,645 GBP
$8,917 USD
View
5 more retailers have this diamond
Prices start from £5,064 GBPSave up to £1,580 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
2.50ct Cushion
£5,064 GBP