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Marquise|Lab Grown|IGI

4.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG762545824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545824

Diamond specifications and retailer prices

From $16,379 CAD
$11,725 USD
As of October 28, 2026
Save $27,709 CAD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $45,405 CAD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545824 or 762545824. Listed at 11 retailers as of October 28, 2026, with a 169% 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

4.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545824
Dimensions16.04 × 8.28 × 5.23 mm
L/W Ratio1.94
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
16.04 mm8.28 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545824
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.2%

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 28
Current: $45,405 CAD|Low: $16,379 CAD|High: $72,281 CAD|Avg: $36,726 CAD|+3.9%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$16,379 CAD
Retailer 11$17,281 CAD
Retailer 9$19,856 CAD
Retailer 7$23,232 CAD
Retailer 2$29,256 CAD
Retailer 8$29,293 CAD
Retailer 5$40,915 CAD
Retailer 4$44,087 CAD
Novita Diamonds$45,405 CAD
Retailer 3$64,561 CAD
Retailer 10$72,281 CAD

27 data points across 11 retailers

11 retailers$16,379 CAD to $44,087 CAD

A
Cheapest Retailer
-
$16,379 CAD
$11,725 USD
A
Retailer 2
-
$17,281 CAD
$12,371 USD
View
B+
Retailer 3
-
$19,856 CAD
$14,214 USD
View
B+
Retailer 4
-
$23,232 CAD
$16,631 USD
View
B+
Retailer 5
-
$29,256 CAD
£16,491 GBP
View
B
Retailer 6
-
$29,293 CAD
$20,970 USD
View
B
Retailer 7
-
$40,915 CAD
£23,063 GBP
View
B
Retailer 8
-
$44,087 CAD
€30,058 EUR
View
Most Expensive
Novita Diamonds
cert_762545824 · Oct 8
$45,405 CAD
A$50,006 AUD
View
Price last confirmed 22 days ago
8 more retailers have this diamond
Prices start from $16,379 CADSave up to $27,709 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
4.00ct Marquise
$16,379 CAD