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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611669

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611669

Diamond specifications and retailer prices

From €831 EUR
$928 USD
As of October 30, 2026
Save €2,953 EUR (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €7,376 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG790611669 or 790611669. Listed at 22 retailers as of October 30, 2026, with a 356% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611669
Dimensions11.57 × 6.09 × 3.86 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
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
11.57 mm6.09 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611669
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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: Oct 30
Current: €7,376 EUR|Low: €831 EUR|High: €7,376 EUR|Avg: €2,173 EUR
Do Amore Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 10€831 EUR
Retailer 8€859 EUR
Retailer 19€904 EUR
Retailer 11€930 EUR
Retailer 9€963 EUR
Retailer 21€963 EUR
Retailer 20€1,119 EUR
Retailer 22€1,152 EUR
Retailer 4€1,295 EUR
Retailer 13€1,533 EUR
Retailer 3€1,543 EUR
Retailer 16€1,955 EUR
Retailer 14€1,993 EUR
Retailer 18€2,143 EUR
Retailer 15€2,933 EUR
Retailer 7€3,013 EUR
Retailer 5€3,118 EUR
Retailer 17€3,294 EUR
Retailer 2€3,607 EUR
Retailer 12€3,748 EUR
Retailer 6€3,784 EUR
Do Amore Diamonds€7,376 EUR

43 data points across 22 retailers

22 retailers€831 EUR to €3,784 EUR

A
Cheapest Retailer
-
€831 EUR
$928 USD
A
Retailer 2
-
€859 EUR
$960 USD
View
A
Retailer 3
-
€904 EUR
$1,010 USD
View
A
Retailer 4
-
€930 EUR
$1,039 USD
View
Final sale: no returns
Retailer 5
-
€963 EUR
$1,076 USD
View
Price last confirmed 16 days ago
A
Retailer 6
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€963 EUR
$1,076 USD
View
A
Retailer 7
-
€1,119 EUR
$1,250 USD
View
A
Retailer 8
-
€1,152 EUR
$1,287 USD
View
A
Retailer 9
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€1,295 EUR
HK$11,300 HKD
View
A
Retailer 10
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€1,533 EUR
£1,349 GBP
View
A
Retailer 11
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€1,543 EUR
$1,724 USD
View
B+
Retailer 12
-
€1,955 EUR
ZAR 35,281 ZAR
View
B+
Retailer 13
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€1,993 EUR
$2,227 USD
View
B+
Retailer 14
-
€2,143 EUR
$2,394 USD
View
B
Retailer 15
-
€2,933 EUR
£2,580 GBP
View
B+
Retailer 16
-
€3,013 EUR
$3,366 USD
View
B
Retailer 17
-
€3,118 EUR
$3,483 USD
View
B
Retailer 18
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€3,294 EUR
$3,680 USD
View
B
Retailer 19
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€3,607 EUR
£3,173 GBP
View
B
Retailer 20
-
€3,748 EUR
SGD 5,659 SGD
View
B
Retailer 21
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€3,784 EUR
$4,228 USD
View
Most Expensive
Do Amore Diamonds
27-B7711CEBB · Oct 31
€7,376 EUR
$8,240 USD
View
Price under review
21 more retailers have this diamond
Prices start from €831 EURSave up to €2,953 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
€831 EUR