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Marquise|Lab Grown|IGI

2.56ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG790644856

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790644856

Diamond specifications and retailer prices

From $5,536 NZD
$3,115 USD
As of November 2, 2026
Save $16,864 NZD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $22,401 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790644856 or 790644856. Listed at 21 retailers as of October 31, 2026, with prices from $5,536 to $22,401, a $16,864 spread on the same certified stone. Taylor and Hart lists it at $22,401. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790644856
Dimensions14.24 × 7.13 × 4.29 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.24 mm7.13 mm2.56 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790644856
Side View
Table 63.0%Crown 38.4°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 60.2%

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: $6,494 NZD|Low: $5,314 NZD|High: $18,676 NZD|Avg: $9,755 NZD|-1.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 3$5,536 NZD
Retailer 7$6,045 NZD
Retailer 4$6,197 NZD
Retailer 5$6,421 NZD
Retailer 9$6,421 NZD
Retailer 8$6,452 NZD
Retailer 1$6,494 NZD
Retailer 17$6,700 NZD
Retailer 6$8,025 NZD
Retailer 11$8,521 NZD
Retailer 16$9,038 NZD
Retailer 14$9,189 NZD
Retailer 10$11,078 NZD
Retailer 15$11,301 NZD
Retailer 2$16,006 NZD
Retailer 12$16,276 NZD
Retailer 13$16,563 NZD
Retailer 18$18,676 NZD

37 data points across 18 retailers

21 retailers$5,536 NZD to $22,401 NZD

A
Cheapest Retailer
-
$5,536 NZD
$3,115 USD
A
Retailer 2
-
$6,023 NZD
$3,389 USD
View
A
Retailer 3
-
$6,045 NZD
$3,401 USD
View
A
Retailer 4
-
$6,197 NZD
$3,487 USD
View
Final sale: no returns
Retailer 5
-
$6,421 NZD
$3,613 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$6,421 NZD
$3,613 USD
View
A
Retailer 7
-
$6,452 NZD
$3,630 USD
View
A
Retailer 8
-
$6,494 NZD
£2,877 GBP
View
A
Retailer 9
-
$6,700 NZD
$3,770 USD
View
B+
Retailer 10
-
$8,025 NZD
$4,515 USD
View
B+
Retailer 11
-
$8,521 NZD
£3,775 GBP
View
B+
Retailer 12
-
$9,038 NZD
$5,085 USD
View
B+
Retailer 13
-
$9,189 NZD
$5,170 USD
View
B+
Retailer 14
-
$11,078 NZD
£4,908 GBP
View
Retailer 15
-
$11,301 NZD
€6,056 EUR
View
Price last confirmed 8 days ago
B
Retailer 16
-
$16,006 NZD
$9,006 USD
View
B
Retailer 17
-
$16,276 NZD
£7,211 GBP
View
B
Retailer 18
-
$16,563 NZD
ZAR 150,553 ZAR
View
B
Retailer 19
-
$18,676 NZD
$10,508 USD
View
B
Retailer 20
-
$21,594 NZD
SGD 16,419 SGD
View
Most Expensive
B
Taylor and Hart
N59CBHO · Oct 31
$22,401 NZD
$12,604 USD
View
20 more retailers have this diamond
Prices start from $5,536 NZDSave up to $16,864 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
$5,536 NZD