Marquise|Natural|IGI

1.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 837697198

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 837697198

Diamond specifications and retailer prices

From €3,206 EUR

$3,596 USD

As of October 31, 2026

Save €3,141 EUR (49%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €6,347 EUR at NZ Jewellers · As of November 3, 2026

View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 837697198. Listed at 13 retailers as of October 31, 2026, with prices from €3,206 to €6,347, a €3,141 spread on the same certified stone. NZ Jewellers lists it at €6,347. 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

Colour

SI2

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceFaint

Crown angle38.1°

Pavilion angle40.3°

OriginNatural

Grading LabIGI

CertificateIGI 837697198

Dimensions11.45 × 5.96 × 3.76 mm

L/W Ratio1.92

Girdle conditionFaceted

View IGI Report →View Loupe360 Video →

Top View

OriginNatural

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateIGI 837697198

Side View

Caratlytics Score

How it works →

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: €6,347 EUR|Low: €3,145 EUR|High: €6,476 EUR|Avg: €4,103 EUR|-2.0%

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 2, 2026

Retailer 12€3,206 EUR

Retailer 4€3,363 EUR

Retailer 11€3,418 EUR

Retailer 6€3,554 EUR

Retailer 13€3,611 EUR

Retailer 2€3,643 EUR

Retailer 9€3,643 EUR

Retailer 5€3,717 EUR

Retailer 8€3,775 EUR

Retailer 7€4,017 EUR

Retailer 3€4,204 EUR

Retailer 10€6,093 EUR

NZ Jewellers€6,347 EUR

30 data points across 13 retailers

13 retailers€3,206 EUR to €6,347 EUR

Cheapest Retailer

€3,206 EUR

$3,596 USD

Retailer 2

€3,363 EUR

$3,772 USD

View

Final sale: no returns

B+

Retailer 3

€3,418 EUR

$3,834 USD

View

Retailer 4

€3,554 EUR

£3,138 GBP

View

B+

Retailer 5

€3,611 EUR

$4,051 USD

View

Retailer 6

€3,643 EUR

$4,086 USD

View

Retailer 7

€3,643 EUR

$4,086 USD

View

Retailer 8

€3,717 EUR

$4,169 USD

View

Price last confirmed 9 days ago

B+

Retailer 9

€3,775 EUR

$4,234 USD

View

B+

Retailer 10

€4,017 EUR

View

B+

Retailer 11

€4,204 EUR

$4,715 USD

View

B+

Retailer 12

€6,093 EUR

£5,381 GBP

View

Most Expensive

B+

NZ Jewellers

c6dbeeb5-510e-4935-8301-94ee64fb998d · Nov 3

€6,347 EUR

$7,119 USD

View

12 more retailers have this diamond

Prices start from €3,206 EURSave up to €3,141 EUR

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.

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1.51ct Marquise

€3,206 EUR