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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 765635213

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 765635213

Diamond specifications and retailer prices

From £9,199 GBP
₹1,173,912 INR
As of November 1, 2026
Save £5,723 GBP (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £14,922 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise 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 765635213. Listed at 12 retailers as of November 1, 2026, with prices from £9,199 to £14,922, a £5,723 spread on the same certified stone. MOH London lists it at £14,922. 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 angle32.6°
Pavilion angle37.7°
OriginNatural
Grading LabIGI
CertificateIGI 765635213
Dimensions13.51 × 7.21 × 4.23 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
13.51 mm7.21 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 765635213
Side View
Table 55.0%Crown 32.6°Girdle: THK-VTKPavilion 37.7°Culet: NoneDepth 58.7%

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: Nov 1
Current: £14,922 GBP|Low: £9,178 GBP|High: £16,457 GBP|Avg: £11,851 GBP|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5£9,199 GBP
Retailer 11£9,415 GBP
Retailer 3£9,791 GBP
Retailer 4£10,106 GBP
Retailer 12£10,875 GBP
Retailer 6£11,145 GBP
Retailer 9£11,249 GBP
Retailer 10£11,426 GBP
Retailer 7£11,864 GBP
Retailer 2£12,035 GBP
Retailer 8£13,535 GBP
MOH London£14,922 GBP

42 data points across 12 retailers

12 retailers£9,199 GBP to £14,922 GBP

A
Cheapest Retailer
-
£9,199 GBP
₹1,173,912 INR
A
Retailer 2
-
£9,415 GBP
$12,615 USD
View
A
Retailer 3
-
£9,791 GBP
$13,119 USD
View
A
Retailer 4
-
£10,106 GBP
$13,541 USD
View
Final sale: no returns
B+
Retailer 5
-
£10,875 GBP
$14,571 USD
View
A
Retailer 6
-
£11,145 GBP
View
B+
Retailer 7
-
£11,249 GBP
$15,073 USD
View
B+
Retailer 8
-
£11,426 GBP
$15,309 USD
View
B+
Retailer 9
-
£11,864 GBP
$15,897 USD
View
A
Retailer 10
-
£12,035 GBP
€15,358 EUR
View
B+
Retailer 11
-
£13,535 GBP
$18,136 USD
View
Most Expensive
B+
MOH London
4A2A77C0B · Nov 1
£14,922 GBP
View
11 more retailers have this diamond
Prices start from £9,199 GBPSave up to £5,723 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 Marquise
£9,199 GBP