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Marquise|Lab Grown|IGI

4.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG817696109

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817696109

Diamond specifications and retailer prices

From $5,041 CAD
$3,609 USD
As of October 29, 2026
Save $14,240 CAD (74%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,014 CAD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817696109 or 817696109. Listed at 17 retailers as of October 29, 2026, with a 282% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817696109
Dimensions16.31 × 8.38 × 5.01 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
16.31 mm8.38 mm4.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817696109
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 59.8%

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: Oct 29
Current: $7,349 CAD|Low: $5,041 CAD|High: $19,833 CAD|Avg: $10,415 CAD|-5.0%
Retailer 1
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
October 31, 2026
Retailer 15$5,041 CAD
Retailer 9$5,238 CAD
Retailer 2$5,441 CAD
Retailer 11$6,945 CAD
Retailer 1$7,349 CAD
Retailer 7$7,557 CAD
Retailer 13$8,127 CAD
Retailer 3$9,048 CAD
Retailer 16$9,546 CAD
Retailer 14$11,113 CAD
Retailer 8$11,404 CAD
Retailer 5$12,501 CAD
Retailer 4$13,307 CAD
Retailer 6$17,606 CAD
Retailer 12$18,264 CAD
Retailer 10$19,281 CAD

18 data points across 16 retailers

17 retailers$5,041 CAD to $19,281 CAD

A+
Cheapest Retailer
-
$5,041 CAD
$3,609 USD
Final sale: no returns
A
Retailer 2
-
$5,238 CAD
$3,750 USD
View
A
Retailer 3
-
$5,441 CAD
$3,895 USD
View
A
Retailer 4
-
$6,945 CAD
£3,915 GBP
View
A
Retailer 5
-
$7,349 CAD
$5,261 USD
View
A
Retailer 6
-
$7,557 CAD
$5,410 USD
View
A
Retailer 7
-
$8,127 CAD
$5,818 USD
View
A
Retailer 8
-
$9,048 CAD
£5,100 GBP
View
A
Retailer 9
-
$9,546 CAD
€6,508 EUR
View
A
Retailer 10
-
$11,113 CAD
ZAR 128,519 ZAR
View
Retailer 11
-
$11,404 CAD
A$12,560 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$12,501 CAD
$8,949 USD
View
A
Retailer 13
-
$13,307 CAD
£7,501 GBP
View
A
Retailer 14
-
$17,606 CAD
SGD 17,032 SGD
View
B+
Retailer 15
-
$18,264 CAD
$13,075 USD
View
B+
Retailer 16
-
$19,281 CAD
$13,803 USD
View
Most Expensive
Novita Diamonds
cert_817696109 · Oct 8
$21,014 CAD
A$23,144 AUD
View
Price last confirmed 22 days ago
16 more retailers have this diamond
Prices start from $5,041 CADSave up to $14,240 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+
4.05ct Marquise
$5,041 CAD