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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG842621091

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842621091

Diamond specifications and retailer prices

From $3,184 CAD
$2,279 USD
As of October 31, 2026
Save $15,521 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,704 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.56ct lab-grown marquise diamond

This 2.56ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842621091 or 842621091. Listed at 10 retailers as of October 31, 2026, with prices from $3,184 to $18,704, a $15,521 spread on the same certified stone. Do Amore Diamonds lists it at $18,704. 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

2.56
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842621091
Dimensions13.55 × 7.22 × 4.49 mm
L/W Ratio1.88
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
13.55 mm7.22 mm2.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842621091
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 62.2%

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 31
Current: $18,704 CAD|Low: $2,466 CAD|High: $19,124 CAD|Avg: $6,271 CAD|+32.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 9$3,184 CAD
Retailer 6$3,387 CAD
Retailer 4$4,938 CAD
Retailer 5$5,178 CAD
Retailer 3$5,641 CAD
Retailer 2$5,944 CAD
Retailer 10$7,906 CAD
Retailer 7$8,462 CAD
Retailer 8$9,441 CAD
Do Amore Diamonds$18,704 CAD

14 data points across 10 retailers

10 retailers$3,184 CAD to $18,704 CAD

A
Cheapest Retailer
-
$3,184 CAD
$2,279 USD
A
Retailer 2
-
$3,387 CAD
$2,425 USD
View
A
Retailer 3
-
$4,938 CAD
$3,535 USD
View
A
Retailer 4
-
$5,178 CAD
$3,707 USD
View
B+
Retailer 5
-
$5,641 CAD
€3,846 EUR
View
A
Retailer 6
-
$5,944 CAD
$4,255 USD
View
B+
Retailer 7
-
$7,906 CAD
$5,660 USD
View
Retailer 8
-
$8,462 CAD
A$9,319 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
$9,441 CAD
$6,758 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-BB0C4198E · Oct 31
$18,704 CAD
$13,390 USD
View
9 more retailers have this diamond
Prices start from $3,184 CADSave up to $15,521 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
2.56ct Marquise
$3,184 CAD