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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG799677033

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799677033

Diamond specifications and retailer prices

From €854 EUR
$958 USD
As of November 2, 2026
Save €3,586 EUR (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,440 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 LG799677033 or 799677033. Listed at 24 retailers as of October 31, 2026, with prices from €854 to €4,440, a €3,586 spread on the same certified stone. Brilliant Earth lists it at €4,440. 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 angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799677033
Dimensions11.65 × 6.11 × 3.80 mm
L/W Ratio1.91
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
11.65 mm6.11 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799677033
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.2%

Caratlytics Score

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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: Nov 2
Current: €4,440 EUR|Low: €854 EUR|High: €4,449 EUR|Avg: €1,998 EUR|-0.2%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 15€854 EUR
Retailer 5€930 EUR
Retailer 11€956 EUR
Retailer 4€991 EUR
Retailer 19€991 EUR
Retailer 22€1,142 EUR
Retailer 18€1,146 EUR
Retailer 3€1,153 EUR
Retailer 9€1,177 EUR
Retailer 2€1,528 EUR
Retailer 16€1,576 EUR
Retailer 10€1,586 EUR
Retailer 13€1,822 EUR
Retailer 21€2,136 EUR
Retailer 8€2,731 EUR
Retailer 20€2,786 EUR
Retailer 6€3,073 EUR
Retailer 12€3,221 EUR
Retailer 14€3,324 EUR
Retailer 17€3,365 EUR
Retailer 7€3,450 EUR
Brilliant Earth€4,440 EUR

39 data points across 22 retailers

24 retailers€854 EUR to €4,440 EUR

A
Cheapest Retailer
-
€854 EUR
$958 USD
A
Retailer 2
-
€930 EUR
$1,043 USD
View
A
Retailer 3
-
€956 EUR
$1,072 USD
View
Final sale: no returns
Retailer 4
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€991 EUR
$1,112 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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€991 EUR
$1,112 USD
View
A
Retailer 6
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€1,142 EUR
$1,281 USD
View
A
Retailer 7
-
€1,146 EUR
$1,285 USD
View
A
Retailer 8
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€1,153 EUR
HK$10,100 HKD
View
A
Retailer 9
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€1,177 EUR
$1,320 USD
View
A
Retailer 10
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€1,528 EUR
£1,349 GBP
View
B+
Retailer 11
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€1,576 EUR
View
A
Retailer 12
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€1,586 EUR
$1,779 USD
View
B+
Retailer 13
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€1,822 EUR
ZAR 33,008 ZAR
View
B+
Retailer 14
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€2,136 EUR
$2,396 USD
View
B+
Retailer 15
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€2,731 EUR
£2,412 GBP
View
B
Retailer 16
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€2,786 EUR
$3,125 USD
View
B+
Retailer 17
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€2,946 EUR
$3,304 USD
View
B
Retailer 18
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€3,073 EUR
$3,447 USD
View
B
Retailer 19
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€3,221 EUR
$3,613 USD
View
B
Retailer 20
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€3,324 EUR
SGD 5,038 SGD
View
Retailer 21
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€3,362 EUR
$3,771 USD
View
Price last confirmed 84 days ago
B
Retailer 22
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€3,365 EUR
£2,972 GBP
View
B
Retailer 23
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€3,450 EUR
$3,870 USD
View
Most Expensive
B
Brilliant Earth
20584022A · Oct 31
€4,440 EUR
$4,980 USD
View
23 more retailers have this diamond
Prices start from €854 EURSave up to €3,586 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
€854 EUR