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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

D/IF • IGI LG744515120

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG744515120

Diamond specifications and retailer prices

From $9,182 AUD
$6,450 USD
As of October 31, 2026
Save $8,274 AUD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $17,457 AUD at Novita Diamonds · As of November 1, 2026
View at Novita 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) and certified by IGI LG744515120 or 744515120. Listed at 3 retailers as of October 31, 2026, with prices from $9,182 to $17,457, a $8,274 spread on the same certified stone. Novita Diamonds lists it at $17,457. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.56
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744515120
Dimensions14.10 × 7.19 × 4.27 mm
L/W Ratio1.96
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
14.10 mm7.19 mm2.56 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744515120
Side View
Table 59.0%Crown 35.8°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 59.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $17,457 AUD|Low: $2,853 AUD|High: $26,462 AUD|Avg: $11,122 AUD|+2.7%
Novita Diamonds
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
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Retailer 17
November 1, 2026
Retailer 4$2,853 AUD
Retailer 16$4,164 AUD
Retailer 14$4,857 AUD
Retailer 12$5,159 AUD
Retailer 9$5,290 AUD
Retailer 13$5,299 AUD
Retailer 11$6,163 AUD
Retailer 17$6,471 AUD
Retailer 10$6,719 AUD
Retailer 2$9,182 AUD
Retailer 6$10,043 AUD
Retailer 8$15,002 AUD
Novita Diamonds$17,457 AUD
Retailer 5$19,999 AUD
Retailer 3$20,664 AUD
Retailer 15$23,319 AUD
Retailer 7$26,462 AUD

6 data points across 17 retailers

3 retailers$9,182 AUD to $17,457 AUD

Retailer 1
-
$6,719 AUD
$4,720 USD
Price last confirmed 105 days ago
B
Retailer 2
-
$9,182 AUD
$6,450 USD
View
Most Expensive
B
Novita Diamonds
cert_744515120 · Nov 1
$17,457 AUD
View
2 more retailers have this diamond
Prices start from $9,182 AUDSave up to $8,274 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.

B
2.56ct Marquise
$9,182 AUD