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Marquise|Lab Grown|IGI

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG771601086

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771601086

Diamond specifications and retailer prices

From $7,267 NZD
$4,089 USD
As of November 2, 2026
Save $19,802 NZD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $37,165 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 LG771601086 or 771601086. Listed at 18 retailers as of November 1, 2026, with a 272% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771601086
Dimensions13.91 × 7.32 × 4.46 mm
L/W Ratio1.90
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
13.91 mm7.32 mm2.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771601086
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.7%

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: $14,501 NZD|Low: $7,267 NZD|High: $55,612 NZD|Avg: $22,013 NZD|+7.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
November 2, 2026
Retailer 7$7,267 NZD
Retailer 4$9,052 NZD
Retailer 6$9,446 NZD
Retailer 13$9,793 NZD
Retailer 17$11,975 NZD
Retailer 10$13,240 NZD
Retailer 1$14,501 NZD
Retailer 5$14,654 NZD
Retailer 2$17,638 NZD
Retailer 14$17,791 NZD
Retailer 11$21,062 NZD
Retailer 16$26,526 NZD
Retailer 12$26,701 NZD
Retailer 9$27,069 NZD
Retailer 3$33,728 NZD
Retailer 15$35,148 NZD
Taylor and Hart$37,165 NZD
Retailer 8$55,612 NZD

26 data points across 18 retailers

18 retailers$7,267 NZD to $27,069 NZD

A
Cheapest Retailer
-
$7,267 NZD
$4,089 USD
B+
Retailer 2
-
$9,052 NZD
$5,093 USD
View
Final sale: no returns
B+
Retailer 3
-
$9,446 NZD
$5,315 USD
View
B+
Retailer 4
-
$9,793 NZD
$5,510 USD
View
B+
Retailer 5
-
$11,975 NZD
$6,738 USD
View
B+
Retailer 6
-
$13,240 NZD
£5,866 GBP
View
B+
Retailer 7
-
$14,501 NZD
$8,159 USD
View
B
Retailer 8
-
$14,654 NZD
£6,492 GBP
View
B
Retailer 9
-
$17,638 NZD
$9,924 USD
View
B
Retailer 10
-
$17,791 NZD
$10,010 USD
View
B
Retailer 11
-
$21,062 NZD
£9,331 GBP
View
Retailer 12
-
$26,526 NZD
$14,925 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$26,701 NZD
ZAR 242,705 ZAR
View
B
Retailer 14
-
$27,069 NZD
$15,231 USD
View
Retailer 15
-
$33,728 NZD
$18,977 USD
View
Price under review
Retailer 16
-
$35,148 NZD
$19,776 USD
View
Price under review
Most Expensive
Taylor and Hart
JEUINXG · Oct 31
$37,165 NZD
$20,911 USD
View
Price under review
16 more retailers have this diamond
Prices start from $7,267 NZDSave up to $19,802 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
$7,267 NZD