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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 $3,244 AUD
$2,279 USD
As of November 2, 2026
Save $15,818 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $19,062 AUD at Do Amore Diamonds · As of November 2, 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 11 retailers as of November 2, 2026, with prices from $3,244 to $19,062, a $15,818 spread on the same certified stone. Do Amore Diamonds lists it at $19,062. 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
Colour
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: Nov 2
Current: $19,062 AUD|Low: $2,513 AUD|High: $19,489 AUD|Avg: $6,536 AUD|+32.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11$3,244 AUD
Retailer 9$3,452 AUD
Retailer 7$5,032 AUD
Retailer 8$5,277 AUD
Retailer 6$5,749 AUD
Retailer 2$6,036 AUD
Retailer 3$8,058 AUD
Retailer 4$8,421 AUD
Retailer 10$9,621 AUD
Retailer 5$14,260 AUD
Do Amore Diamonds$19,062 AUD

15 data points across 11 retailers

11 retailers$3,244 AUD to $19,062 AUD

A
Cheapest Retailer
-
$3,244 AUD
$2,279 USD
A
Retailer 2
-
$3,452 AUD
$2,425 USD
View
A
Retailer 3
-
$5,032 AUD
$3,535 USD
View
A
Retailer 4
-
$5,277 AUD
$3,707 USD
View
B+
Retailer 5
-
$5,749 AUD
€3,846 EUR
View
A
Retailer 6
-
$6,036 AUD
$4,240 USD
View
B+
Retailer 7
-
$8,058 AUD
$5,660 USD
View
B+
Retailer 8
-
$8,421 AUD
View
Retailer 9
-
$9,621 AUD
$6,758 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$14,260 AUD
View
Most Expensive
B
Do Amore Diamonds
27-BB0C4198E · Nov 2
$19,062 AUD
$13,390 USD
View
10 more retailers have this diamond
Prices start from $3,244 AUDSave up to $15,818 AUD

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
$3,244 AUD