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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG768630291

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630291

Diamond specifications and retailer prices

From $4,856 NZD
$2,732 USD
As of November 2, 2026
Save $18,991 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $23,846 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG768630291 or 768630291. Listed at 14 retailers as of October 31, 2026, with prices from $4,856 to $23,846, a $18,991 spread on the same certified stone. Taylor and Hart lists it at $23,846. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630291
Dimensions13.85 × 7.08 × 4.51 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
13.85 mm7.08 mm2.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630291
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.7%

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: $9,065 NZD|Low: $4,856 NZD|High: $19,684 NZD|Avg: $12,581 NZD|-0.3%
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
November 2, 2026
Retailer 4$4,856 NZD
Retailer 3$6,091 NZD
Retailer 11$8,264 NZD
Retailer 1$9,065 NZD
Retailer 12$10,326 NZD
Retailer 9$10,990 NZD
Retailer 10$11,695 NZD
Retailer 2$14,382 NZD
Retailer 13$15,564 NZD
Retailer 6$17,249 NZD
Retailer 8$17,556 NZD
Retailer 5$18,018 NZD
Retailer 7$19,405 NZD

42 data points across 13 retailers

14 retailers$4,856 NZD to $23,846 NZD

A
Cheapest Retailer
-
$4,856 NZD
$2,732 USD
A
Retailer 2
-
$6,091 NZD
$3,427 USD
View
B+
Retailer 3
-
$8,264 NZD
$4,650 USD
View
B+
Retailer 4
-
$8,508 NZD
HK$37,400 HKD
View
B+
Retailer 5
-
$9,065 NZD
£4,016 GBP
View
B+
Retailer 6
-
$10,326 NZD
$5,810 USD
View
B+
Retailer 7
-
$10,990 NZD
€5,889 EUR
View
B+
Retailer 8
-
$11,695 NZD
$6,580 USD
View
B
Retailer 9
-
$15,564 NZD
$8,757 USD
View
B
Retailer 10
-
$17,249 NZD
£7,642 GBP
View
B
Retailer 11
-
$17,556 NZD
ZAR 159,574 ZAR
View
Retailer 12
-
$18,018 NZD
$10,138 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$19,405 NZD
A$16,797 AUD
View
Most Expensive
B
Taylor and Hart
9517ATH · Oct 31
$23,846 NZD
$13,417 USD
View
13 more retailers have this diamond
Prices start from $4,856 NZDSave up to $18,991 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
$4,856 NZD