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 $4,050 NZD
$2,279 USD
As of November 2, 2026
Save $19,748 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,798 NZD 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 $4,050 to $23,798, a $19,748 spread on the same certified stone. Do Amore Diamonds lists it at $23,798. 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: $23,798 NZD|Low: $3,137 NZD|High: $24,331 NZD|Avg: $8,160 NZD|+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$4,050 NZD
Retailer 9$4,310 NZD
Retailer 7$6,283 NZD
Retailer 8$6,588 NZD
Retailer 6$7,177 NZD
Retailer 2$7,536 NZD
Retailer 3$10,060 NZD
Retailer 4$10,513 NZD
Retailer 10$12,012 NZD
Retailer 5$17,803 NZD
Do Amore Diamonds$23,798 NZD

15 data points across 11 retailers

11 retailers$4,050 NZD to $23,798 NZD

A
Cheapest Retailer
-
$4,050 NZD
$2,279 USD
A
Retailer 2
-
$4,310 NZD
$2,425 USD
View
A
Retailer 3
-
$6,283 NZD
$3,535 USD
View
A
Retailer 4
-
$6,588 NZD
$3,707 USD
View
B+
Retailer 5
-
$7,177 NZD
€3,846 EUR
View
A
Retailer 6
-
$7,536 NZD
$4,240 USD
View
B+
Retailer 7
-
$10,060 NZD
$5,660 USD
View
B+
Retailer 8
-
$10,513 NZD
A$9,100 AUD
View
Retailer 9
-
$12,012 NZD
$6,758 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$17,803 NZD
A$15,411 AUD
View
Most Expensive
B
Do Amore Diamonds
27-BB0C4198E · Nov 2
$23,798 NZD
$13,390 USD
View
10 more retailers have this diamond
Prices start from $4,050 NZDSave up to $19,748 NZD

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
$4,050 NZD