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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619399

Diamond specifications and retailer prices

From €920 EUR
$1,028 USD
As of October 30, 2026
Save €3,546 EUR (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,466 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619399 or 811619399. Listed at 24 retailers as of October 30, 2026, with prices from €920 to €4,466, a €3,546 spread on the same certified stone. Brilliant Earth lists it at €4,466. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619399
Dimensions9.35 × 6.66 × 4.01 mm
L/W Ratio1.40
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
9.35 mm6.66 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619399
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,466 EUR|Low: €883 EUR|High: €4,466 EUR|Avg: €1,883 EUR|+0.2%
Brilliant Earth
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 4€920 EUR
Retailer 15€1,001 EUR
Retailer 3€1,067 EUR
Retailer 16€1,067 EUR
Retailer 9€1,206 EUR
Retailer 11€1,222 EUR
Retailer 14€1,506 EUR
Retailer 7€1,526 EUR
Retailer 10€1,539 EUR
Retailer 12€1,748 EUR
Retailer 13€1,962 EUR
Retailer 5€2,001 EUR
Retailer 6€2,036 EUR
Retailer 8€3,151 EUR
Retailer 2€3,619 EUR
Brilliant Earth€4,466 EUR

36 data points across 16 retailers

24 retailers€920 EUR to €4,466 EUR

A
Cheapest Retailer
-
€920 EUR
$1,028 USD
A
Retailer 2
-
€1,001 EUR
$1,118 USD
View
A
Retailer 3
-
€1,030 EUR
$1,151 USD
View
Final sale: no returns
A
Retailer 4
-
€1,067 EUR
$1,192 USD
View
Retailer 5
-
€1,067 EUR
$1,192 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€1,168 EUR
$1,305 USD
View
A
Retailer 7
-
€1,206 EUR
£1,061 GBP
View
A
Retailer 8
-
€1,222 EUR
$1,365 USD
View
A
Retailer 9
-
€1,249 EUR
$1,395 USD
View
B+
Retailer 10
-
€1,506 EUR
A$2,588 AUD
View
A
Retailer 11
-
€1,526 EUR
$1,705 USD
View
A
Retailer 12
-
€1,539 EUR
£1,354 GBP
View
B+
Retailer 13
-
€1,748 EUR
View
B+
Retailer 14
-
€1,962 EUR
ZAR 35,405 ZAR
View
B+
Retailer 15
-
€2,001 EUR
$2,235 USD
View
B+
Retailer 16
-
€2,036 EUR
$2,275 USD
View
B
Retailer 17
-
€2,946 EUR
£2,592 GBP
View
B
Retailer 18
-
€3,151 EUR
$3,520 USD
View
B
Retailer 19
-
€3,308 EUR
$3,696 USD
View
B
Retailer 20
-
€3,433 EUR
$3,835 USD
View
B
Retailer 21
-
€3,576 EUR
SGD 5,399 SGD
View
B
Retailer 22
-
€3,619 EUR
£3,184 GBP
View
B
Retailer 23
-
€3,723 EUR
$4,160 USD
View
Most Expensive
B
Brilliant Earth
20637611A · Oct 31
€4,466 EUR
$4,990 USD
View
23 more retailers have this diamond
Prices start from €920 EURSave up to €3,546 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
€920 EUR