Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812621506

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812621506

Diamond specifications and retailer prices

From €619 EUR
$692 USD
As of October 30, 2026
Save €2,374 EUR (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,993 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621506 or 812621506. Listed at 25 retailers as of October 29, 2026, with prices from €619 to €2,993, a €2,374 spread on the same certified stone. MOH London lists it at €2,993. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621506
Dimensions11.73 × 6.06 × 3.71 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.73 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621506
Side View
Table 61.0%Crown 34.6°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.2%

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: €2,993 EUR|Low: €536 EUR|High: €2,993 EUR|Avg: €1,403 EUR|+9.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 9€559 EUR
Retailer 3€619 EUR
Retailer 10€693 EUR
Retailer 11€693 EUR
Retailer 13€792 EUR
Retailer 5€940 EUR
Retailer 4€965 EUR
Retailer 20€1,051 EUR
Retailer 7€1,053 EUR
Retailer 2€1,065 EUR
Retailer 18€1,179 EUR
Retailer 15€1,472 EUR
Retailer 16€1,598 EUR
Retailer 12€1,637 EUR
Retailer 14€2,019 EUR
Retailer 21€2,066 EUR
Retailer 8€2,166 EUR
Retailer 6€2,216 EUR
Retailer 19€2,262 EUR
Retailer 17€2,506 EUR
MOH London€2,993 EUR

40 data points across 21 retailers

25 retailers€619 EUR to €2,993 EUR

Retailer 1
-
€559 EUR
$624 USD
Price last confirmed 23 days ago
A
Retailer 2
-
€619 EUR
$692 USD
View
Final sale: no returns
Retailer 3
-
€626 EUR
$699 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€684 EUR
$764 USD
View
Price last confirmed 37 days ago
Retailer 5
-
€693 EUR
$774 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€693 EUR
$774 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€792 EUR
$885 USD
View
A
Retailer 8
-
€940 EUR
$1,050 USD
View
A
Retailer 9
-
€965 EUR
$1,078 USD
View
A
Retailer 10
-
€1,051 EUR
$1,174 USD
View
A
Retailer 11
-
€1,053 EUR
View
A
Retailer 12
-
€1,065 EUR
£937 GBP
View
A
Retailer 13
-
€1,179 EUR
ZAR 21,272 ZAR
View
A
Retailer 14
-
€1,472 EUR
$1,645 USD
View
B+
Retailer 15
-
€1,598 EUR
A$2,746 AUD
View
Retailer 16
-
€1,637 EUR
$1,829 USD
View
Price last confirmed 8 days ago
Retailer 17
-
€1,822 EUR
$2,035 USD
View
Price last confirmed 31 days ago
Retailer 18
-
€2,019 EUR
£1,776 GBP
View
Price last confirmed 20 days ago
B+
Retailer 19
-
€2,066 EUR
$2,308 USD
View
B+
Retailer 20
-
€2,166 EUR
$2,420 USD
View
B+
Retailer 21
-
€2,210 EUR
$2,469 USD
View
B+
Retailer 22
-
€2,216 EUR
$2,475 USD
View
B+
Retailer 23
-
€2,262 EUR
$2,527 USD
View
B+
Retailer 24
-
€2,506 EUR
$2,800 USD
View
Most Expensive
B
MOH London
LG812621506 · Oct 29
€2,993 EUR
£2,633 GBP
View
24 more retailers have this diamond
Prices start from €619 EURSave up to €2,374 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
1.55ct Marquise
€619 EUR