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Marquise|Lab Grown|IGI

2.50ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818684299

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818684299

Diamond specifications and retailer prices

From €3,301 EUR
$3,688 USD
As of October 31, 2026
Save €10,949 EUR (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €14,250 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 2.5ct lab-grown marquise diamond

This 2.5ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818684299 or 818684299. Listed at 12 retailers as of October 31, 2026, with prices from €3,301 to €14,250, a €10,949 spread on the same certified stone. With Clarity lists it at €14,250. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.50
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684299
Dimensions13.62 × 7.02 × 4.50 mm
L/W Ratio1.94
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
13.62 mm7.02 mm2.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684299
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 64.1%

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: €4,858 EUR|Low: €3,301 EUR|High: €14,250 EUR|Avg: €7,895 EUR|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 7€3,301 EUR
Retailer 2€4,491 EUR
Retailer 1€4,858 EUR
Retailer 8€5,527 EUR
Retailer 6€5,863 EUR
Retailer 9€7,716 EUR
Retailer 5€7,827 EUR
Retailer 10€9,121 EUR
Retailer 4€9,375 EUR
Retailer 3€9,649 EUR
Retailer 11€12,786 EUR
With Clarity€14,250 EUR

35 data points across 12 retailers

12 retailers€3,301 EUR to €14,250 EUR

A
Cheapest Retailer
-
€3,301 EUR
$3,688 USD
B+
Retailer 2
-
€4,491 EUR
HK$39,200 HKD
View
B+
Retailer 3
-
€4,858 EUR
£4,274 GBP
View
B+
Retailer 4
-
€5,527 EUR
$6,175 USD
View
B+
Retailer 5
-
€5,863 EUR
View
B
Retailer 6
-
€7,716 EUR
$8,620 USD
View
B+
Retailer 7
-
€7,827 EUR
£6,885 GBP
View
B
Retailer 8
-
€9,121 EUR
$10,190 USD
View
B
Retailer 9
-
€9,375 EUR
ZAR 169,203 ZAR
View
Retailer 10
-
€9,649 EUR
$10,780 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
€12,786 EUR
$14,285 USD
View
Most Expensive
B
With Clarity
818684299 · Oct 31
€14,250 EUR
$15,920 USD
View
11 more retailers have this diamond
Prices start from €3,301 EURSave up to €10,949 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
2.50ct Marquise
€3,301 EUR