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Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG768632050

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768632050

Diamond specifications and retailer prices

From $421 CAD
$301 USD
As of November 2, 2026
Save $3,310 CAD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,731 CAD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632050 or 768632050. Listed at 16 retailers as of November 1, 2026, with prices from $421 to $3,731, a $3,310 spread on the same certified stone. Do Amore Diamonds lists it at $3,731. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632050
Dimensions10.95 × 5.70 × 3.49 mm
L/W Ratio1.92
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
10.95 mm5.70 mm1.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632050
Side View
Table 55.0%Crown 34.3°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 2
Current: $3,731 CAD|Low: $421 CAD|High: $4,891 CAD|Avg: $1,846 CAD|-11.9%
Do Amore Diamonds
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
November 1, 2026
Retailer 13$421 CAD
Retailer 4$488 CAD
Retailer 8$534 CAD
Retailer 14$745 CAD
Retailer 6$769 CAD
Retailer 16$854 CAD
Retailer 7$967 CAD
Retailer 11$982 CAD
Retailer 12$1,106 CAD
Retailer 15$1,603 CAD
Retailer 3$1,623 CAD
Retailer 17$1,852 CAD
Retailer 2$2,307 CAD
Retailer 10$2,907 CAD
Retailer 5$3,528 CAD
Do Amore Diamonds$3,731 CAD
Retailer 9$3,963 CAD

28 data points across 17 retailers

16 retailers$421 CAD to $3,731 CAD

A+
Cheapest Retailer
-
$421 CAD
$301 USD
A
Retailer 2
-
$488 CAD
$349 USD
View
A
Retailer 3
-
$534 CAD
$382 USD
View
Final sale: no returns
A
Retailer 4
-
$745 CAD
$533 USD
View
A
Retailer 5
-
$769 CAD
$550 USD
View
A
Retailer 6
-
$854 CAD
$611 USD
View
A
Retailer 7
-
$967 CAD
$692 USD
View
A
Retailer 8
-
$982 CAD
€669 EUR
View
A
Retailer 9
-
$1,106 CAD
A$1,218 AUD
View
B+
Retailer 10
-
$1,603 CAD
$1,147 USD
View
B+
Retailer 11
-
$1,623 CAD
$1,162 USD
View
B+
Retailer 12
-
$1,852 CAD
$1,325 USD
View
B+
Retailer 13
-
$2,307 CAD
£1,300 GBP
View
B+
Retailer 14
-
$2,907 CAD
$2,080 USD
View
B
Retailer 15
-
$3,528 CAD
$2,525 USD
View
Most Expensive
B
Do Amore Diamonds
27-C6D052B2D · Nov 1
$3,731 CAD
$2,670 USD
View
15 more retailers have this diamond
Prices start from $421 CADSave up to $3,310 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+
1.28ct Marquise
$421 CAD