Marquise|Natural|IGI

3.70ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 743559087

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559087

Diamond specifications and retailer prices

From €19,795 EUR
₹2,106,218 INR
As of October 30, 2026
Save €15,862 EUR (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €35,657 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.7ct natural marquise diamond

This 3.7ct natural marquise sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559087. Listed at 6 retailers as of October 30, 2026, with prices from €19,795 to €35,657, a €15,862 spread on the same certified stone. MOH London lists it at €35,657. 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

3.70
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 743559087
Dimensions15.87 × 8.04 × 4.92 mm
L/W Ratio1.97
Girdle conditionFaceted
Top View
15.87 mm8.04 mm3.70 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559087
Side View
Table 58.0%Crown 38.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.2%

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: Oct 30
Current: €35,657 EUR|Low: €19,676 EUR|High: €36,087 EUR|Avg: €25,661 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4€19,795 EUR
Retailer 5€22,095 EUR
Retailer 3€23,569 EUR
Retailer 2€26,740 EUR
MOH London€35,657 EUR

40 data points across 5 retailers

6 retailers€19,795 EUR to €35,657 EUR

A
Cheapest Retailer
-
€19,795 EUR
₹2,106,218 INR
B+
Retailer 2
-
€22,095 EUR
$24,685 USD
View
B+
Retailer 3
-
€23,228 EUR
$25,950 USD
View
A
Retailer 4
-
€23,569 EUR
£20,733 GBP
View
B+
Retailer 5
-
€26,740 EUR
View
Most Expensive
B
MOH London
5CB6BFB03 · Nov 1
€35,657 EUR
£31,367 GBP
View
5 more retailers have this diamond
Prices start from €19,795 EURSave up to €15,862 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
3.70ct Marquise
€19,795 EUR