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Marquise|Lab Grown|IGI

0.85ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG691587807

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG691587807

Diamond specifications and retailer prices

From €109 EUR
$122 USD
As of October 30, 2026
Save €1,028 EUR (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,137 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.85ct lab-grown marquise diamond

This 0.85ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691587807 or 691587807. Listed at 12 retailers as of October 29, 2026, with prices from €109 to €1,137, a €1,028 spread on the same certified stone. MOH London lists it at €1,137. 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

0.85
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691587807
Dimensions9.81 × 4.99 × 3.10 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm4.99 mm0.85 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG691587807
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.1%

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: €1,137 EUR|Low: €109 EUR|High: €1,137 EUR|Avg: €338 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
Retailer 16
Retailer 17
October 31, 2026
Retailer 11€109 EUR
Retailer 16€127 EUR
Retailer 13€144 EUR
Retailer 17€152 EUR
Retailer 4€160 EUR
Retailer 12€197 EUR
Retailer 6€224 EUR
Retailer 3€262 EUR
Retailer 5€279 EUR
Retailer 2€280 EUR
Retailer 8€351 EUR
Retailer 14€352 EUR
Retailer 15€436 EUR
Retailer 10€485 EUR
Retailer 7€573 EUR
Retailer 9€627 EUR
MOH London€1,137 EUR

4 data points across 17 retailers

12 retailers€109 EUR to €1,137 EUR

A
Cheapest Retailer
-
€109 EUR
$122 USD
A
Retailer 2
-
€127 EUR
$142 USD
View
A
Retailer 3
-
€144 EUR
$161 USD
View
A
Retailer 4
-
€160 EUR
HK$1,400 HKD
View
A
Retailer 5
-
€197 EUR
£173 GBP
View
B+
Retailer 6
-
€262 EUR
$293 USD
View
B+
Retailer 7
-
€279 EUR
£245 GBP
View
B+
Retailer 8
-
€280 EUR
£247 GBP
View
B+
Retailer 9
-
€352 EUR
$393 USD
View
B
Retailer 10
-
€436 EUR
$487 USD
View
B
Retailer 11
-
€485 EUR
$542 USD
View
Most Expensive
B
MOH London
LG691587807 · Oct 29
€1,137 EUR
£1,000 GBP
View
11 more retailers have this diamond
Prices start from €109 EURSave up to €1,028 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
0.85ct Marquise
€109 EUR