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Marquise|Natural|IGI

3.03ct I VS1 Marquise Natural Diamond

EX • I/VS1 • IGI 794678577

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 794678577

Diamond specifications and retailer prices

From £20,935 GBP
As of November 6, 2026
Save £18,380 GBP (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £39,315 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural marquise diamond

This 3.03ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 794678577. Listed at 20 retailers as of November 4, 2026, with prices from £20,935 to £39,315, a £18,380 spread on the same certified stone. MOH London lists it at £39,315. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

3.03
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 794678577
Dimensions15.83 × 7.60 × 4.62 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Top View
15.83 mm7.60 mm3.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 794678577
Side View
Table 61.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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: £39,315 GBP|Low: £20,935 GBP|High: £40,153 GBP|Avg: £28,814 GBP|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2£20,935 GBP
Retailer 11£25,366 GBP
Retailer 14£25,539 GBP
Retailer 9£25,566 GBP
Retailer 5£26,292 GBP
Retailer 3£27,034 GBP
Retailer 13£27,861 GBP
Retailer 10£28,662 GBP
Retailer 12£29,022 GBP
Retailer 4£29,034 GBP
Retailer 15£30,183 GBP
Retailer 7£31,019 GBP
Retailer 6£31,344 GBP
Retailer 8£32,495 GBP
MOH London£39,315 GBP

33 data points across 15 retailers

20 retailers£20,935 GBP to £39,315 GBP

A
Cheapest Retailer
-
£20,935 GBP
A
Retailer 2
-
£25,366 GBP
View
A
Retailer 3
-
£25,539 GBP
View
Final sale: no returns
A
Retailer 4
-
£25,566 GBP
View
A
Retailer 5
-
£26,292 GBP
View
Retailer 6
-
£26,533 GBP
View
Price last confirmed 42 days ago
A
Retailer 7
-
£27,034 GBP
View
Retailer 8
-
£27,861 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£28,662 GBP
View
B+
Retailer 10
-
£29,022 GBP
View
B+
Retailer 11
-
£29,034 GBP
View
B+
Retailer 12
-
£30,183 GBP
View
Retailer 13
-
£30,458 GBP
View
Price last confirmed 53 days ago
Retailer 14
-
£30,458 GBP
View
Price last confirmed 44 days ago
B+
Retailer 15
-
£31,019 GBP
View
B+
Retailer 16
-
£31,344 GBP
View
Retailer 17
-
£31,630 GBP
View
Price last confirmed 61 days ago
Retailer 18
-
£31,630 GBP
View
Price last confirmed 43 days ago
B+
Retailer 19
-
£32,495 GBP
View
Most Expensive
B+
MOH London
6001BF386 · Nov 4
£39,315 GBP
View
19 more retailers have this diamond
Prices start from £20,935 GBPSave up to £18,380 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
3.03ct Marquise
£20,935 GBP