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Marquise|Lab Grown|IGI

0.71ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047593

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047593

Diamond specifications and retailer prices

From €383 EUR
$430 USD
As of November 2, 2026
Save €1,569 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,952 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047593 or 436047593. Listed at 11 retailers as of October 29, 2026, with prices from €383 to €1,952, a €1,569 spread on the same certified stone. MOH London lists it at €1,952. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.71
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047593
Dimensions8.72 × 4.83 × 2.93 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.72 mm4.83 mm0.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047593
Side View
Table 57.0%Crown 33.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 60.7%

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 2
Current: €1,952 EUR|Low: €383 EUR|High: €2,124 EUR|Avg: €947 EUR|-0.7%
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
October 30, 2026
Retailer 2€383 EUR
Retailer 9€426 EUR
Retailer 3€477 EUR
Retailer 13€478 EUR
Retailer 10€529 EUR
Retailer 14€529 EUR
Retailer 4€655 EUR
Retailer 12€826 EUR
Retailer 7€887 EUR
Retailer 5€895 EUR
Retailer 8€1,421 EUR
Retailer 11€1,699 EUR
MOH London€1,952 EUR
Retailer 6€2,124 EUR

22 data points across 14 retailers

11 retailers€383 EUR to €1,952 EUR

A
Cheapest Retailer
-
€383 EUR
$430 USD
B+
Retailer 2
-
€426 EUR
$478 USD
View
B+
Retailer 3
-
€477 EUR
$535 USD
View
Final sale: no returns
B+
Retailer 4
-
€478 EUR
$536 USD
View
Retailer 5
-
€529 EUR
$593 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
€529 EUR
$593 USD
View
B
Retailer 7
-
€826 EUR
$926 USD
View
Retailer 8
-
€887 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
€1,421 EUR
$1,594 USD
View
B
Retailer 10
-
€1,699 EUR
$1,906 USD
View
Most Expensive
B
MOH London
LG436047593 · Oct 29
€1,952 EUR
£1,724 GBP
View
10 more retailers have this diamond
Prices start from €383 EURSave up to €1,569 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
0.71ct Marquise
€383 EUR