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Marquise|Lab Grown|IGI

2.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG836638868

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836638868

Diamond specifications and retailer prices

From $1,495 CAD
$1,070 USD
As of October 30, 2026
Save $4,561 CAD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,055 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.51ct lab-grown marquise diamond

This 2.51ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836638868 or 836638868. Listed at 17 retailers as of October 30, 2026, with prices from $1,495 to $6,055, a $4,561 spread on the same certified stone. Taylor and Hart lists it at $6,055. 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

2.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836638868
Dimensions14.86 × 6.86 × 4.38 mm
L/W Ratio2.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.86 mm6.86 mm2.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836638868
Side View
Table 62.0%Crown 30.9°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,511 CAD|Low: $1,401 CAD|High: $7,137 CAD|Avg: $3,478 CAD|-12.8%
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
Taylor and Hart
October 31, 2026
Retailer 10$1,495 CAD
Retailer 6$1,626 CAD
Retailer 4$1,672 CAD
Retailer 11$1,734 CAD
Retailer 7$1,977 CAD
Retailer 1$2,511 CAD
Retailer 14$2,762 CAD
Retailer 2$3,249 CAD
Retailer 3$3,516 CAD
Retailer 13$3,679 CAD
Retailer 8$4,112 CAD
Retailer 5$4,790 CAD
Retailer 12$5,019 CAD
Retailer 9$5,911 CAD
Taylor and Hart$6,055 CAD

44 data points across 15 retailers

17 retailers$1,495 CAD to $6,055 CAD

A
Cheapest Retailer
-
$1,495 CAD
$1,070 USD
A
Retailer 2
-
$1,626 CAD
$1,164 USD
View
A
Retailer 3
-
$1,672 CAD
$1,197 USD
View
Final sale: no returns
A
Retailer 4
-
$1,734 CAD
$1,241 USD
View
Retailer 5
-
$1,734 CAD
$1,241 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,977 CAD
$1,415 USD
View
Retailer 7
-
$2,006 CAD
$1,436 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$2,511 CAD
£1,415 GBP
View
A
Retailer 9
-
$2,762 CAD
$1,977 USD
View
A
Retailer 10
-
$3,249 CAD
$2,326 USD
View
A
Retailer 11
-
$3,516 CAD
$2,517 USD
View
A
Retailer 12
-
$3,679 CAD
$2,634 USD
View
Retailer 13
-
$4,112 CAD
A$4,529 AUD
View
Price last confirmed 10 days ago
A
Retailer 14
-
$4,790 CAD
£2,700 GBP
View
A
Retailer 15
-
$5,019 CAD
$3,593 USD
View
B+
Retailer 16
-
$5,911 CAD
£3,332 GBP
View
Most Expensive
B+
Taylor and Hart
QCVCQE1 · Oct 30
$6,055 CAD
$4,335 USD
View
16 more retailers have this diamond
Prices start from $1,495 CADSave up to $4,561 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
2.51ct Marquise
$1,495 CAD