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Marquise|Natural|IGI

4.00ct J SI2 Marquise Natural Diamond

VG • J/SI2 • IGI 551

Certificate IGI 551

Diamond specifications and retailer prices

From €13,266 EUR
$14,879 USD
As of October 31, 2026
Save €6,044 EUR (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €19,310 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 4ct natural marquise diamond

This 4ct natural marquise sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI. Listed at 2 retailers as of October 31, 2026, with prices from €13,266 to €19,310, a €6,044 spread on the same certified stone. Helzberg Diamonds lists it at €19,310. 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

4.00
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabIGI
CertificateIGI 551
Dimensions15.52 × 8.14 mm
L/W Ratio1.91
Top View
15.52 mm8.14 mm4.00 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 551
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCuletDepth 65.7%

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: Oct 31
Current: €19,310 EUR|Low: €13,266 EUR|High: €21,788 EUR|Avg: €17,325 EUR|-11.4%
Helzberg Diamonds
Retailer 2
October 28, 2026
Retailer 2€13,266 EUR
Helzberg Diamonds€19,310 EUR

15 data points across 2 retailers

2 retailers€13,266 EUR to €19,310 EUR

A
Cheapest Retailer
-
€13,266 EUR
$14,879 USD
Most Expensive
B+
Helzberg Diamonds
ZXZOIKMGJOPJ · Nov 1
€19,310 EUR
$21,658 USD
View
1 more retailer has this diamond
Prices start from €13,266 EURSave up to €6,044 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.

A
4.00ct Marquise
€13,266 EUR