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Marquise|Lab Grown|IGI

0.70ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047188

Diamond specifications and retailer prices

From €383 EUR
$430 USD
As of November 2, 2026
Save €1,294 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,919 EUR at MOH London · As of October 25, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047188 or 436047188. Listed at 11 retailers as of October 31, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047188
Dimensions8.74 × 4.83 × 2.98 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Top View
8.74 mm4.83 mm0.70 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047188
Side View
Table 57.5%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

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: €1,919 EUR|Low: €383 EUR|High: €2,096 EUR|Avg: €911 EUR|+0.2%
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
October 31, 2026
Retailer 8€383 EUR
Retailer 10€421 EUR
Retailer 3€471 EUR
Retailer 14€471 EUR
Retailer 7€487 EUR
Retailer 11€522 EUR
Retailer 15€522 EUR
Retailer 4€646 EUR
Retailer 13€814 EUR
Retailer 2€875 EUR
Retailer 5€885 EUR
Retailer 9€1,402 EUR
Retailer 12€1,677 EUR
MOH London€1,919 EUR
Retailer 6€2,096 EUR

26 data points across 15 retailers

11 retailers€383 EUR to €1,677 EUR

A
Cheapest Retailer
-
€383 EUR
$430 USD
B+
Retailer 2
-
€421 EUR
$472 USD
View
B+
Retailer 3
-
€471 EUR
$528 USD
View
Final sale: no returns
B+
Retailer 4
-
€471 EUR
$528 USD
View
Retailer 5
-
€522 EUR
$585 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
€522 EUR
$585 USD
View
B
Retailer 7
-
€814 EUR
$913 USD
View
B
Retailer 8
-
€875 EUR
View
B
Retailer 9
-
€1,402 EUR
$1,573 USD
View
B
Retailer 10
-
€1,677 EUR
$1,881 USD
View
Most Expensive
MOH London
LG436047188 · Oct 25
€1,919 EUR
£1,695 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from €383 EURSave up to €1,294 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
€383 EUR