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Marquise|Lab Grown|IGI

2.50ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818673798

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818673798

Diamond specifications and retailer prices

From $4,251 CAD
$3,043 USD
As of October 30, 2026
Save $12,919 CAD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,170 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG818673798 or 818673798. Listed at 19 retailers as of October 30, 2026, with prices from $4,251 to $17,170, a $12,919 spread on the same certified stone. Taylor and Hart lists it at $17,170. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818673798
Dimensions13.48 × 7.04 × 4.11 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.48 mm7.04 mm2.50 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818673798
Side View
Table 62.0%Crown 33.9°Girdle: THK-VTKPavilion 35.3°Culet: NoneDepth 58.4%

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: $6,664 CAD|Low: $4,080 CAD|High: $17,170 CAD|Avg: $7,470 CAD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Taylor and Hart
October 31, 2026
Retailer 2$4,251 CAD
Retailer 7$4,568 CAD
Retailer 16$4,624 CAD
Retailer 3$4,761 CAD
Retailer 5$4,931 CAD
Retailer 8$4,931 CAD
Retailer 6$4,963 CAD
Retailer 11$5,002 CAD
Retailer 17$5,155 CAD
Retailer 14$5,986 CAD
Retailer 4$6,162 CAD
Retailer 1$6,664 CAD
Retailer 15$6,940 CAD
Retailer 9$7,661 CAD
Retailer 10$8,494 CAD
Retailer 18$12,385 CAD
Retailer 13$12,514 CAD
Retailer 12$12,719 CAD
Taylor and Hart$17,170 CAD

31 data points across 19 retailers

19 retailers$4,251 CAD to $17,170 CAD

A
Cheapest Retailer
-
$4,251 CAD
$3,043 USD
A
Retailer 2
-
$4,568 CAD
$3,270 USD
View
A
Retailer 3
-
$4,624 CAD
$3,310 USD
View
A
Retailer 4
-
$4,761 CAD
$3,408 USD
View
Final sale: no returns
Retailer 5
-
$4,931 CAD
$3,530 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$4,931 CAD
$3,530 USD
View
A
Retailer 7
-
$4,963 CAD
$3,553 USD
View
A
Retailer 8
-
$5,002 CAD
£2,819 GBP
View
A
Retailer 9
-
$5,155 CAD
$3,690 USD
View
B+
Retailer 10
-
$5,986 CAD
$4,285 USD
View
B+
Retailer 11
-
$6,162 CAD
$4,411 USD
View
B+
Retailer 12
-
$6,664 CAD
£3,756 GBP
View
B+
Retailer 13
-
$6,940 CAD
$4,968 USD
View
B+
Retailer 14
-
$7,661 CAD
$5,484 USD
View
B+
Retailer 15
-
$8,494 CAD
£4,788 GBP
View
B
Retailer 16
-
$12,385 CAD
$8,866 USD
View
B
Retailer 17
-
$12,514 CAD
£7,054 GBP
View
B
Retailer 18
-
$12,719 CAD
ZAR 147,090 ZAR
View
Most Expensive
B
Taylor and Hart
QL501ID · Oct 30
$17,170 CAD
$12,292 USD
View
18 more retailers have this diamond
Prices start from $4,251 CADSave up to $12,919 CAD

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
$4,251 CAD