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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817610778

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817610778

Diamond specifications and retailer prices

From $894 CAD
$640 USD
As of October 31, 2026
Save $4,372 CAD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,266 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817610778 or 817610778. Listed at 18 retailers as of October 30, 2026, with prices from $894 to $5,266, a $4,372 spread on the same certified stone. Brilliant Earth lists it at $5,266. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610778
Dimensions11.81 × 6.07 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm6.07 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610778
Side View
Table 58.0%Crown 38.8°Girdle: STK-THKPavilion 38.3°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 31
Current: $5,266 CAD|Low: $894 CAD|High: $5,266 CAD|Avg: $2,238 CAD
Brilliant Earth
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
Retailer 18
October 31, 2026
Retailer 13$894 CAD
Retailer 7$1,180 CAD
Retailer 3$1,334 CAD
Retailer 17$1,404 CAD
Retailer 8$1,452 CAD
Retailer 14$1,548 CAD
Retailer 2$1,711 CAD
Retailer 6$1,718 CAD
Retailer 18$2,319 CAD
Retailer 16$2,471 CAD
Retailer 10$2,917 CAD
Retailer 5$3,028 CAD
Retailer 15$3,135 CAD
Retailer 11$3,212 CAD
Retailer 4$3,288 CAD
Retailer 9$4,364 CAD
Retailer 12$5,044 CAD
Brilliant Earth$5,266 CAD

18 data points across 18 retailers

18 retailers$894 CAD to $5,266 CAD

A
Cheapest Retailer
-
$894 CAD
$640 USD
Final sale: no returns
A
Retailer 2
-
$1,180 CAD
$845 USD
View
A
Retailer 3
-
$1,334 CAD
$955 USD
View
A
Retailer 4
-
$1,404 CAD
$1,005 USD
View
A
Retailer 5
-
$1,452 CAD
€990 EUR
View
A
Retailer 6
-
$1,548 CAD
£873 GBP
View
A
Retailer 7
-
$1,711 CAD
$1,225 USD
View
A
Retailer 8
-
$1,718 CAD
ZAR 19,873 ZAR
View
A
Retailer 9
-
$2,319 CAD
A$2,554 AUD
View
B+
Retailer 10
-
$2,471 CAD
$1,769 USD
View
B+
Retailer 11
-
$2,917 CAD
£1,644 GBP
View
B+
Retailer 12
-
$3,028 CAD
$2,168 USD
View
B+
Retailer 13
-
$3,135 CAD
SGD 3,033 SGD
View
B+
Retailer 14
-
$3,212 CAD
$2,299 USD
View
B+
Retailer 15
-
$3,288 CAD
$2,354 USD
View
B+
Retailer 16
-
$4,364 CAD
£2,460 GBP
View
B
Retailer 17
-
$5,044 CAD
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
20772153A · Oct 30
$5,266 CAD
$3,770 USD
View
17 more retailers have this diamond
Prices start from $894 CADSave up to $4,372 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
1.61ct Marquise
$894 CAD