Marquise|Lab Grown|IGI

3.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG812620152

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812620152

Diamond specifications and retailer prices

From $5,312 CAD
As of November 3, 2026
Save $15,277 CAD (74%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $20,589 CAD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.03ct lab-grown marquise diamond

This 3.03ct 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 LG812620152 or 812620152. Listed at 23 retailers as of October 31, 2026, with prices from $5,312 to $20,589, a $15,277 spread on the same certified stone. Taylor and Hart lists it at $20,589. 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

3.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620152
Dimensions14.87 × 7.46 × 4.69 mm
L/W Ratio1.99
Girdle conditionFaceted
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
14.87 mm7.46 mm3.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620152
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

Caratlytics Score

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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: Nov 3
Current: $7,744 CAD|Low: $5,312 CAD|High: $20,589 CAD|Avg: $10,698 CAD|-4.3%
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
Taylor and Hart
November 4, 2026
Retailer 16$5,312 CAD
Retailer 3$5,639 CAD
Retailer 4$6,058 CAD
Retailer 14$7,183 CAD
Retailer 1$7,744 CAD
Retailer 8$8,455 CAD
Retailer 5$8,867 CAD
Retailer 2$8,966 CAD
Retailer 6$9,882 CAD
Retailer 7$10,607 CAD
Retailer 12$12,510 CAD
Retailer 13$13,318 CAD
Retailer 10$13,602 CAD
Retailer 11$14,682 CAD
Retailer 9$15,486 CAD
Retailer 15$17,003 CAD
Taylor and Hart$20,589 CAD

37 data points across 17 retailers

23 retailers$5,312 CAD to $20,589 CAD

Retailer 1
-
$5,287 CAD
Price last confirmed 27 days ago
A
Retailer 2
-
$5,312 CAD
View
Retailer 3
-
$5,541 CAD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$5,639 CAD
View
Final sale: no returns
Retailer 5
-
$6,048 CAD
View
Price last confirmed 40 days ago
A
Retailer 6
-
$6,058 CAD
View
Retailer 7
-
$6,134 CAD
View
Price last confirmed 32 days ago
Retailer 8
-
$6,134 CAD
View
Price last confirmed 24 days ago
A
Retailer 9
-
$7,183 CAD
View
Retailer 10
-
$7,664 CAD
View
Price last confirmed 35 days ago
A
Retailer 11
-
$7,744 CAD
View
B+
Retailer 12
-
$8,455 CAD
View
A
Retailer 13
-
$8,867 CAD
View
B+
Retailer 14
-
$8,966 CAD
View
Retailer 15
-
$9,882 CAD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$10,607 CAD
View
B+
Retailer 17
-
$12,510 CAD
View
B+
Retailer 18
-
$13,318 CAD
View
B+
Retailer 19
-
$13,602 CAD
View
B+
Retailer 20
-
$14,682 CAD
View
B
Retailer 21
-
$15,486 CAD
View
B
Retailer 22
-
$17,003 CAD
View
Most Expensive
B
Taylor and Hart
12TYNW7 · Oct 31
$20,589 CAD
$14,733 USD
View
22 more retailers have this diamond
Prices start from $5,312 CADSave up to $15,277 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
3.03ct Marquise
$5,312 CAD