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Cushion|Natural|IGI

2.51ct I SI2 Cushion Natural Diamond

VG • I/SI2 • IGI 789609768

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 789609768

Diamond specifications and retailer prices

From £6,918 GBP
₹882,762 INR
As of October 31, 2026
Save £3,985 GBP (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £10,903 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 789609768. Listed at 8 retailers as of October 31, 2026, with prices from £6,918 to £10,903, a £3,985 spread on the same certified stone. MOH London lists it at £10,903. 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

2.51
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34°
OriginNatural
Grading LabIGI
CertificateIGI 789609768
Dimensions8.56 × 6.89 × 4.80 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Top View
8.56 mm6.89 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 789609768
Side View
Table 63.0%Crown 42.7°Girdle: STK-THKPavilion 34°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: £10,903 GBP|Low: £6,900 GBP|High: £11,035 GBP|Avg: £8,413 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3£6,918 GBP
Retailer 6£7,221 GBP
Retailer 5£7,706 GBP
Retailer 2£8,144 GBP
Retailer 7£8,240 GBP
Retailer 4£8,797 GBP
MOH London£10,903 GBP

46 data points across 7 retailers

8 retailers£6,918 GBP to £10,903 GBP

A
Cheapest Retailer
-
£6,918 GBP
₹882,762 INR
A
Retailer 2
-
£7,221 GBP
$9,675 USD
View
B+
Retailer 3
-
£7,706 GBP
$10,325 USD
View
Final sale: no returns
A
Retailer 4
-
£7,737 GBP
A$15,948 AUD
View
A
Retailer 5
-
£8,144 GBP
View
B+
Retailer 6
-
£8,240 GBP
$11,041 USD
View
A
Retailer 7
-
£8,797 GBP
€11,226 EUR
View
Most Expensive
B+
MOH London
ABC6C1028 · Nov 1
£10,903 GBP
View
7 more retailers have this diamond
Prices start from £6,918 GBPSave up to £3,985 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 Cushion
£6,918 GBP