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Marquise|Lab Grown|IGI

1.25ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG773614839

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG773614839

Diamond specifications and retailer prices

From $521 CAD
$373 USD
As of October 30, 2026
Save $2,371 CAD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,892 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG773614839 or 773614839. Listed at 23 retailers as of October 28, 2026, with prices from $521 to $2,892, a $2,371 spread on the same certified stone. Brilliant Earth lists it at $2,892. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773614839
Dimensions11.08 × 5.68 × 3.50 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
11.08 mm5.68 mm1.25 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773614839
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.6%

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: $2,892 CAD|Low: $583 CAD|High: $3,090 CAD|Avg: $1,667 CAD|-1.9%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 20
October 30, 2026
Retailer 9$583 CAD
Retailer 5$647 CAD
Retailer 6$715 CAD
Retailer 15$852 CAD
Retailer 8$985 CAD
Retailer 10$1,030 CAD
Retailer 16$1,036 CAD
Retailer 14$1,110 CAD
Retailer 2$1,168 CAD
Retailer 3$1,221 CAD
Retailer 13$1,569 CAD
Retailer 20$1,896 CAD
Retailer 12$2,063 CAD
Retailer 19$2,077 CAD
Retailer 4$2,132 CAD
Retailer 18$2,235 CAD
Retailer 11$2,439 CAD
Retailer 7$2,512 CAD
Retailer 17$2,528 CAD
Brilliant Earth$2,892 CAD

40 data points across 20 retailers

23 retailers$521 CAD to $2,892 CAD

A
Cheapest Retailer
-
$521 CAD
$373 USD
A
Retailer 2
-
$583 CAD
$417 USD
View
Final sale: no returns
A
Retailer 3
-
$605 CAD
$433 USD
View
A
Retailer 4
-
$647 CAD
$463 USD
View
A
Retailer 5
-
$647 CAD
$463 USD
View
A
Retailer 6
-
$715 CAD
HK$4,000 HKD
View
A
Retailer 7
-
$852 CAD
$610 USD
View
A
Retailer 8
-
$985 CAD
$705 USD
View
A
Retailer 9
-
$1,030 CAD
$737 USD
View
A
Retailer 10
-
$1,036 CAD
€706 EUR
View
A
Retailer 11
-
$1,110 CAD
ZAR 12,842 ZAR
View
A
Retailer 12
-
$1,168 CAD
£658 GBP
View
A
Retailer 13
-
$1,221 CAD
$874 USD
View
B+
Retailer 14
-
$1,569 CAD
A$1,728 AUD
View
B+
Retailer 15
-
$1,896 CAD
$1,357 USD
View
B+
Retailer 16
-
$2,063 CAD
SGD 1,996 SGD
View
B+
Retailer 17
-
$2,077 CAD
$1,487 USD
View
B+
Retailer 18
-
$2,132 CAD
$1,526 USD
View
B+
Retailer 19
-
$2,235 CAD
$1,600 USD
View
B
Retailer 20
-
$2,439 CAD
$1,746 USD
View
B
Retailer 21
-
$2,512 CAD
£1,416 GBP
View
B+
Retailer 22
-
$2,528 CAD
£1,425 GBP
View
Most Expensive
B
Brilliant Earth
19064494A · Oct 28
$2,892 CAD
$2,070 USD
View
22 more retailers have this diamond
Prices start from $521 CADSave up to $2,371 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
$521 CAD