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Marquise|Lab Grown|IGI

1.17ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780665641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665641

Diamond specifications and retailer prices

From $387 CAD
$277 USD
As of October 30, 2026
Save $3,049 CAD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,436 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown marquise diamond

This 1.17ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665641 or 780665641. Listed at 17 retailers as of October 30, 2026, with prices from $387 to $3,436, a $3,049 spread on the same certified stone. Do Amore Diamonds lists it at $3,436. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665641
Dimensions10.74 × 5.57 × 3.49 mm
L/W Ratio1.93
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
10.74 mm5.57 mm1.17 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665641
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $3,436 CAD|Low: $387 CAD|High: $3,911 CAD|Avg: $1,467 CAD|-7.5%
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
October 31, 2026
Retailer 14$387 CAD
Retailer 5$450 CAD
Retailer 9$492 CAD
Retailer 11$548 CAD
Retailer 15$701 CAD
Retailer 6$789 CAD
Retailer 17$793 CAD
Retailer 8$820 CAD
Retailer 12$908 CAD
Retailer 2$1,061 CAD
Retailer 16$1,477 CAD
Retailer 4$1,521 CAD
Retailer 3$1,706 CAD
Retailer 13$2,138 CAD
Retailer 10$2,640 CAD
Retailer 7$3,220 CAD
Do Amore Diamonds$3,436 CAD

39 data points across 17 retailers

17 retailers$387 CAD to $3,436 CAD

A
Cheapest Retailer
-
$387 CAD
$277 USD
A
Retailer 2
-
$450 CAD
$322 USD
View
A
Retailer 3
-
$492 CAD
$352 USD
View
Final sale: no returns
A
Retailer 4
-
$548 CAD
£309 GBP
View
A
Retailer 5
-
$701 CAD
$502 USD
View
A
Retailer 6
-
$789 CAD
$565 USD
View
A
Retailer 7
-
$793 CAD
$568 USD
View
A
Retailer 8
-
$820 CAD
$587 USD
View
A
Retailer 9
-
$908 CAD
€619 EUR
View
B+
Retailer 10
-
$1,061 CAD
A$1,168 AUD
View
B+
Retailer 11
-
$1,477 CAD
$1,057 USD
View
B+
Retailer 12
-
$1,521 CAD
$1,089 USD
View
B+
Retailer 13
-
$1,706 CAD
$1,221 USD
View
B+
Retailer 14
-
$2,138 CAD
£1,205 GBP
View
B
Retailer 15
-
$2,640 CAD
$1,890 USD
View
B
Retailer 16
-
$3,220 CAD
$2,305 USD
View
Most Expensive
B
Do Amore Diamonds
27-7E40AE39D · Oct 30
$3,436 CAD
$2,460 USD
View
16 more retailers have this diamond
Prices start from $387 CADSave up to $3,049 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
1.17ct Marquise
$387 CAD