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Marquise|Natural|IGI

3.05ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 841693921

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 841693921

Diamond specifications and retailer prices

From £14,735 GBP
As of November 6, 2026
Save £11,802 GBP (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £26,537 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.05ct natural marquise diamond

This 3.05ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 841693921. Listed at 10 retailers as of November 4, 2026, with prices from £14,735 to £26,537, a £11,802 spread on the same certified stone. MOH London lists it at £26,537. 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

3.05
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle33.4°
OriginNatural
Grading LabIGI
CertificateIGI 841693921
Dimensions14.88 × 7.34 × 4.53 mm
L/W Ratio2.03
Girdle conditionFaceted
Top View
14.88 mm7.34 mm3.05 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 841693921
Side View
Table 60.0%Crown 43.2°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 61.7%

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 6
Current: £26,537 GBP|Low: £14,735 GBP|High: £27,662 GBP|Avg: £20,247 GBP|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£14,735 GBP
Retailer 4£16,444 GBP
Retailer 9£17,509 GBP
Retailer 6£18,023 GBP
Retailer 7£19,746 GBP
Retailer 8£20,373 GBP
Retailer 3£20,841 GBP
Retailer 10£21,157 GBP
Retailer 5£24,136 GBP
MOH London£26,537 GBP

28 data points across 10 retailers

10 retailers£14,735 GBP to £26,537 GBP

A
Cheapest Retailer
-
£14,735 GBP
Retailer 2
-
£16,444 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£17,509 GBP
View
B+
Retailer 4
-
£18,023 GBP
View
Final sale: no returns
B+
Retailer 5
-
£19,746 GBP
View
B+
Retailer 6
-
£20,373 GBP
View
B+
Retailer 7
-
£20,841 GBP
View
B+
Retailer 8
-
£21,157 GBP
View
B+
Retailer 9
-
£24,136 GBP
View
Most Expensive
B+
MOH London
7D0E94397 · Nov 4
£26,537 GBP
View
9 more retailers have this diamond
Prices start from £14,735 GBPSave up to £11,802 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
3.05ct Marquise
£14,735 GBP