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Marquise|Natural|IGI

1.51ct J VS1 Marquise Natural Diamond

VG • J/VS1 • IGI 669446143

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 669446143

Diamond specifications and retailer prices

From £4,307 GBP
As of November 2, 2026
Save £2,072 GBP (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,380 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 669446143. Listed at 3 retailers as of November 1, 2026, with prices from £4,307 to £6,380, a £2,072 spread on the same certified stone. MOH London lists it at £6,380. 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

1.51
Carat
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 669446143
Dimensions11.38 × 6.13 × 3.74 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizePointed
Top View
11.38 mm6.13 mm1.51 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 669446143
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £6,380 GBP|Low: £4,217 GBP|High: £6,457 GBP|Avg: £5,135 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£4,307 GBP
Retailer 2£4,731 GBP
MOH London£6,380 GBP

41 data points across 3 retailers

3 retailers£4,307 GBP to £6,380 GBP

A
Cheapest Retailer
-
£4,307 GBP
B+
Retailer 2
-
£4,731 GBP
€6,037 EUR
View
Most Expensive
B
MOH London
9C97716F6 · Nov 1
£6,380 GBP
View
2 more retailers have this diamond
Prices start from £4,307 GBPSave up to £2,072 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
1.51ct Marquise
£4,307 GBP