Marquise|Lab Grown|IGI

0.70ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436047594

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047594

Diamond specifications and retailer prices

From €376 EUR
$420 USD
As of October 31, 2026
Save €1,462 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,838 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047594 or 436047594. Listed at 11 retailers as of October 31, 2026, with prices from €376 to €1,838, a €1,462 spread on the same certified stone. MOH London lists it at €1,838. 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

0.70
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047594
Dimensions8.99 × 4.62 × 2.76 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.99 mm4.62 mm0.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047594
Side View
Table 62.5%Crown 34.6°Girdle: ThickPavilion 39.2°Culet: NoneDepth 59.7%

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: Oct 31
Current: €1,838 EUR|Low: €376 EUR|High: €2,010 EUR|Avg: €877 EUR
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
November 1, 2026
Retailer 2€376 EUR
Retailer 10€404 EUR
Retailer 3€451 EUR
Retailer 14€452 EUR
Retailer 7€476 EUR
Retailer 11€500 EUR
Retailer 15€500 EUR
Retailer 4€627 EUR
Retailer 13€785 EUR
Retailer 8€842 EUR
Retailer 5€859 EUR
Retailer 9€1,345 EUR
Retailer 12€1,608 EUR
MOH London€1,838 EUR
Retailer 6€2,010 EUR

24 data points across 15 retailers

11 retailers€376 EUR to €1,838 EUR

A
Cheapest Retailer
-
€376 EUR
$420 USD
B+
Retailer 2
-
€404 EUR
$451 USD
View
B+
Retailer 3
-
€451 EUR
$504 USD
View
Final sale: no returns
B+
Retailer 4
-
€452 EUR
$505 USD
View
B+
Retailer 5
-
€500 EUR
$559 USD
View
Retailer 6
-
€500 EUR
$559 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
€785 EUR
$877 USD
View
Retailer 8
-
€842 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
€1,345 EUR
$1,503 USD
View
B
Retailer 10
-
€1,608 EUR
$1,797 USD
View
Most Expensive
B
MOH London
LG436047594 · Nov 1
€1,838 EUR
£1,617 GBP
View
10 more retailers have this diamond
Prices start from €376 EURSave up to €1,462 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
0.70ct Marquise
€376 EUR