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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800679049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679049

Diamond specifications and retailer prices

From €1,020 EUR
HK$8,900 HKD
As of October 31, 2026
Save €2,176 EUR (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,195 EUR at Brilliant Earth · As of October 31, 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 LG800679049 or 800679049. Listed at 12 retailers as of October 31, 2026, with prices from €1,020 to €3,195, a €2,176 spread on the same certified stone. Brilliant Earth lists it at €3,195. 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
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679049
Dimensions11.75 × 6.02 × 3.76 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
11.75 mm6.02 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679049
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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: €3,195 EUR|Low: €1,020 EUR|High: €4,132 EUR|Avg: €2,321 EUR|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7€1,020 EUR
Retailer 9€1,063 EUR
Retailer 10€1,262 EUR
Retailer 2€1,277 EUR
Retailer 4€1,341 EUR
Retailer 6€1,616 EUR
Retailer 8€2,141 EUR
Retailer 3€2,889 EUR
Retailer 5€3,147 EUR
Retailer 11€3,161 EUR
Brilliant Earth€3,195 EUR

39 data points across 11 retailers

12 retailers€1,020 EUR to €3,195 EUR

A
Cheapest Retailer
-
€1,020 EUR
HK$8,900 HKD
A
Retailer 2
-
€1,063 EUR
$1,188 USD
View
A
Retailer 3
-
€1,262 EUR
$1,410 USD
View
A
Retailer 4
-
€1,277 EUR
£1,124 GBP
View
A
Retailer 5
-
€1,341 EUR
View
B+
Retailer 6
-
€1,616 EUR
A$2,778 AUD
View
Retailer 7
-
€2,141 EUR
$2,392 USD
View
Price last confirmed 7 days ago
Retailer 8
-
€2,845 EUR
$3,178 USD
View
Price last confirmed 89 days ago
B
Retailer 9
-
€2,889 EUR
$3,227 USD
View
B
Retailer 10
-
€3,147 EUR
£2,768 GBP
View
B
Retailer 11
-
€3,161 EUR
$3,532 USD
View
Most Expensive
B
Brilliant Earth
20788411A · Oct 31
€3,195 EUR
$3,570 USD
View
11 more retailers have this diamond
Prices start from €1,020 EURSave up to €2,176 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
€1,020 EUR