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Marquise|Lab Grown|IGI

0.71ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436074394

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436074394

Diamond specifications and retailer prices

From €383 EUR
$430 USD
As of November 2, 2026
Save €1,559 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,942 EUR at MOH London · As of November 1, 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 LG436074394 or 436074394. Listed at 12 retailers as of November 1, 2026, with prices from €383 to €1,942, a €1,559 spread on the same certified stone. MOH London lists it at €1,942. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074394
Dimensions8.72 × 4.84 × 3.07 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.72 mm4.84 mm0.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436074394
Side View
Table 56.0%Crown 32.4°Girdle: THN-MEDPavilion 41.7°Culet: NoneDepth 63.4%

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: €1,942 EUR|Low: €383 EUR|High: €2,124 EUR|Avg: €971 EUR|-1.1%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 2€383 EUR
Retailer 11€426 EUR
Retailer 3€477 EUR
Retailer 15€478 EUR
Retailer 8€511 EUR
Retailer 12€529 EUR
Retailer 16€529 EUR
Retailer 5€655 EUR
Retailer 14€826 EUR
Retailer 9€887 EUR
Retailer 6€895 EUR
Retailer 10€1,421 EUR
Retailer 13€1,699 EUR
Retailer 4€1,719 EUR
MOH London€1,942 EUR
Retailer 7€2,124 EUR

23 data points across 16 retailers

12 retailers€383 EUR to €1,942 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
B
Retailer 11
-
€1,719 EUR
$1,928 USD
View
Most Expensive
B
MOH London
LG436074394 · Nov 1
€1,942 EUR
£1,715 GBP
View
11 more retailers have this diamond
Prices start from €383 EURSave up to €1,559 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