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Marquise|Lab Grown|IGI

1.55ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800679046

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679046

Diamond specifications and retailer prices

From €1,054 EUR
HK$9,200 HKD
As of October 31, 2026
Save €2,222 EUR (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,276 EUR at Brilliant Earth · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679046 or 800679046. Listed at 11 retailers as of October 30, 2026, with prices from €1,054 to €3,276, a €2,222 spread on the same certified stone. Brilliant Earth lists it at €3,276. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679046
Dimensions11.78 × 6.03 × 3.81 mm
L/W Ratio1.95
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
11.78 mm6.03 mm1.55 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679046
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

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 31
Current: €3,276 EUR|Low: €1,054 EUR|High: €4,240 EUR|Avg: €2,414 EUR|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5€1,054 EUR
Retailer 7€1,113 EUR
Retailer 8€1,293 EUR
Retailer 2€1,311 EUR
Retailer 3€1,376 EUR
Retailer 6€2,198 EUR
Retailer 10€2,965 EUR
Retailer 4€3,227 EUR
Retailer 9€3,246 EUR
Brilliant Earth€3,276 EUR

40 data points across 10 retailers

11 retailers€1,054 EUR to €3,276 EUR

A
Cheapest Retailer
-
€1,054 EUR
HK$9,200 HKD
A
Retailer 2
-
€1,113 EUR
$1,244 USD
View
A
Retailer 3
-
€1,293 EUR
$1,445 USD
View
A
Retailer 4
-
€1,311 EUR
£1,153 GBP
View
A
Retailer 5
-
€1,376 EUR
View
Retailer 6
-
€2,198 EUR
$2,455 USD
View
Price last confirmed 7 days ago
Retailer 7
-
€2,921 EUR
$3,264 USD
View
Price last confirmed 89 days ago
B
Retailer 8
-
€2,965 EUR
$3,313 USD
View
B
Retailer 9
-
€3,227 EUR
£2,839 GBP
View
B
Retailer 10
-
€3,246 EUR
$3,626 USD
View
Most Expensive
B
Brilliant Earth
20788738A · Oct 30
€3,276 EUR
$3,660 USD
View
10 more retailers have this diamond
Prices start from €1,054 EURSave up to €2,222 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
€1,054 EUR