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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG836619913

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836619913

Diamond specifications and retailer prices

From €661 EUR
$738 USD
As of October 30, 2026
Save €2,526 EUR (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,187 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG836619913 or 836619913. Listed at 21 retailers as of October 30, 2026, with prices from €661 to €3,187, a €2,526 spread on the same certified stone. Brilliant Earth lists it at €3,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619913
Dimensions11.52 × 5.99 × 3.88 mm
L/W Ratio1.92
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
11.52 mm5.99 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619913
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.8%

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: €3,187 EUR|Low: €661 EUR|High: €3,446 EUR|Avg: €1,866 EUR|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 19
Retailer 20
October 30, 2026
Retailer 6€661 EUR
Retailer 3€719 EUR
Retailer 20€766 EUR
Retailer 11€777 EUR
Retailer 17€926 EUR
Retailer 4€1,044 EUR
Retailer 2€1,230 EUR
Retailer 19€1,241 EUR
Retailer 18€1,271 EUR
Retailer 14€1,409 EUR
Retailer 7€1,657 EUR
Retailer 12€2,154 EUR
Retailer 9€2,387 EUR
Retailer 15€2,530 EUR
Retailer 10€2,642 EUR
Retailer 8€2,785 EUR
Retailer 16€2,905 EUR
Retailer 5€2,968 EUR
Retailer 13€3,025 EUR
Brilliant Earth€3,187 EUR

29 data points across 20 retailers

21 retailers€661 EUR to €3,187 EUR

A
Cheapest Retailer
-
€661 EUR
$738 USD
A
Retailer 2
-
€719 EUR
$803 USD
View
A
Retailer 3
-
€766 EUR
$856 USD
View
A
Retailer 4
-
€777 EUR
$868 USD
View
Final sale: no returns
Retailer 5
-
€798 EUR
$892 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
€926 EUR
$1,035 USD
View
A
Retailer 7
-
€1,044 EUR
$1,166 USD
View
A
Retailer 8
-
€1,230 EUR
£1,082 GBP
View
A
Retailer 9
-
€1,241 EUR
$1,386 USD
View
A
Retailer 10
-
€1,271 EUR
View
A
Retailer 11
-
€1,409 EUR
ZAR 25,422 ZAR
View
B+
Retailer 12
-
€1,657 EUR
$1,851 USD
View
B+
Retailer 13
-
€2,154 EUR
$2,407 USD
View
B
Retailer 14
-
€2,387 EUR
£2,100 GBP
View
B+
Retailer 15
-
€2,530 EUR
$2,826 USD
View
B
Retailer 16
-
€2,642 EUR
$2,951 USD
View
B
Retailer 17
-
€2,785 EUR
SGD 4,205 SGD
View
B
Retailer 18
-
€2,905 EUR
$3,245 USD
View
B
Retailer 19
-
€2,968 EUR
$3,316 USD
View
B
Retailer 20
-
€3,025 EUR
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
21589183A · Oct 30
€3,187 EUR
$3,560 USD
View
20 more retailers have this diamond
Prices start from €661 EURSave up to €2,526 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
1.51ct Marquise
€661 EUR