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Marquise|Lab Grown|IGI

1.25ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818677645

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677645

Diamond specifications and retailer prices

From $886 CAD
$634 USD
As of October 28, 2026
Save $3,401 CAD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,286 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677645 or 818677645. Listed at 21 retailers as of October 28, 2026, with prices from $886 to $4,286, a $3,401 spread on the same certified stone. MOH London lists it at $4,286. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677645
Dimensions11.47 × 5.65 × 3.35 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizeNone
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
11.47 mm5.65 mm1.25 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677645
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.3%

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 28
Current: $4,286 CAD|Low: $750 CAD|High: $4,286 CAD|Avg: $2,005 CAD|+2.5%
MOH London
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
October 31, 2026
Retailer 7$750 CAD
Retailer 14$886 CAD
Retailer 4$964 CAD
Retailer 10$1,131 CAD
Retailer 13$1,314 CAD
Retailer 11$1,506 CAD
Retailer 12$1,511 CAD
Retailer 8$1,533 CAD
Retailer 9$1,688 CAD
Retailer 2$2,079 CAD
Retailer 15$2,583 CAD
Retailer 5$2,810 CAD
Retailer 3$3,182 CAD
Retailer 6$3,702 CAD
MOH London$4,286 CAD

42 data points across 15 retailers

21 retailers$886 CAD to $4,286 CAD

Retailer 1
-
$750 CAD
$537 USD
Price last confirmed 28 days ago
Retailer 2
-
$777 CAD
$556 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$874 CAD
$626 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$886 CAD
$634 USD
View
Final sale: no returns
Retailer 5
-
$955 CAD
$684 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$964 CAD
$690 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$964 CAD
$690 USD
View
Price last confirmed 27 days ago
Retailer 8
-
$964 CAD
$690 USD
View
Price last confirmed 18 days ago
A
Retailer 9
-
$1,131 CAD
$810 USD
View
A
Retailer 10
-
$1,314 CAD
$941 USD
View
B+
Retailer 11
-
$1,506 CAD
€1,027 EUR
View
B+
Retailer 12
-
$1,511 CAD
$1,082 USD
View
B+
Retailer 13
-
$1,533 CAD
£864 GBP
View
B+
Retailer 14
-
$1,688 CAD
ZAR 19,516 ZAR
View
B+
Retailer 15
-
$2,079 CAD
$1,488 USD
View
Retailer 16
-
$2,547 CAD
$1,823 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$2,583 CAD
$1,849 USD
View
Retailer 18
-
$2,810 CAD
£1,584 GBP
View
Price last confirmed 16 days ago
B
Retailer 19
-
$3,182 CAD
$2,278 USD
View
B
Retailer 20
-
$3,702 CAD
$2,650 USD
View
Most Expensive
B
MOH London
LG818677645 · Oct 29
$4,286 CAD
£2,416 GBP
View
20 more retailers have this diamond
Prices start from $886 CADSave up to $3,401 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
1.25ct Marquise
$886 CAD