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Marquise|Natural|IGI

2.50ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 782659317

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 782659317

Diamond specifications and retailer prices

From £9,277 GBP
$12,430 USD
As of October 31, 2026
Save £6,011 GBP (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £15,288 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 782659317. Listed at 7 retailers as of October 30, 2026, with prices from £9,277 to £15,288, a £6,011 spread on the same certified stone. NZ Jewellers lists it at £15,288. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 782659317
Dimensions13.30 × 7.09 × 4.46 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
13.30 mm7.09 mm2.50 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 782659317
Side View
Table 59.0%Crown 37.2°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 62.9%

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: £15,288 GBP|Low: £9,277 GBP|High: £15,476 GBP|Avg: £11,663 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6£9,277 GBP
Retailer 7£9,394 GBP
Retailer 3£10,554 GBP
Retailer 4£10,800 GBP
Retailer 5£10,969 GBP
Retailer 2£14,326 GBP
NZ Jewellers£15,288 GBP

33 data points across 7 retailers

7 retailers£9,277 GBP to £15,288 GBP

A
Cheapest Retailer
-
£9,277 GBP
$12,430 USD
A
Retailer 2
-
£9,394 GBP
$12,587 USD
View
A
Retailer 3
-
£10,554 GBP
View
A
Retailer 4
-
£10,800 GBP
$14,471 USD
View
A
Retailer 5
-
£10,969 GBP
$14,697 USD
View
B+
Retailer 6
-
£14,326 GBP
View
Most Expensive
B+
NZ Jewellers
6facfab7-6f8e-4756-a7fe-94cae1fc841f · Oct 30
£15,288 GBP
$20,484 USD
View
6 more retailers have this diamond
Prices start from £9,277 GBPSave up to £6,011 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 Marquise
£9,277 GBP