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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 €3,660 EUR
$4,089 USD
As of October 31, 2026
Save €9,973 EUR (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €18,717 EUR 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 October 31, 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €10,607 EUR|Low: €3,255 EUR|High: €28,007 EUR|Avg: €11,104 EUR
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 1, 2026
Retailer 7€3,660 EUR
Retailer 4€4,559 EUR
Retailer 6€4,757 EUR
Retailer 12€4,932 EUR
Retailer 17€6,031 EUR
Retailer 11€6,647 EUR
Retailer 15€6,792 EUR
Retailer 5€7,380 EUR
Retailer 2€8,883 EUR
Retailer 13€8,960 EUR
Retailer 1€10,607 EUR
Retailer 16€13,359 EUR
Retailer 10€13,447 EUR
Retailer 9€13,633 EUR
Retailer 3€16,986 EUR
Retailer 14€17,701 EUR
Taylor and Hart€18,717 EUR
Retailer 8€28,007 EUR

26 data points across 18 retailers

18 retailers€3,660 EUR to €13,633 EUR

A
Cheapest Retailer
-
€3,660 EUR
$4,089 USD
B+
Retailer 2
-
€4,559 EUR
$5,093 USD
View
Final sale: no returns
B+
Retailer 3
-
€4,757 EUR
$5,315 USD
View
B+
Retailer 4
-
€4,932 EUR
$5,510 USD
View
B+
Retailer 5
-
€6,031 EUR
$6,738 USD
View
B+
Retailer 6
-
€6,647 EUR
£5,848 GBP
View
B+
Retailer 7
-
€6,792 EUR
$7,588 USD
View
B
Retailer 8
-
€7,380 EUR
£6,492 GBP
View
B
Retailer 9
-
€8,883 EUR
$9,924 USD
View
B
Retailer 10
-
€8,960 EUR
$10,010 USD
View
B
Retailer 11
-
€10,607 EUR
£9,331 GBP
View
Retailer 12
-
€13,359 EUR
$14,925 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
€13,447 EUR
ZAR 242,705 ZAR
View
B
Retailer 14
-
€13,633 EUR
$15,231 USD
View
Retailer 15
-
€16,986 EUR
$18,977 USD
View
Price under review
Retailer 16
-
€17,701 EUR
$19,776 USD
View
Price under review
Most Expensive
Taylor and Hart
JEUINXG · Oct 31
€18,717 EUR
$20,911 USD
View
Price under review
16 more retailers have this diamond
Prices start from €3,660 EURSave up to €9,973 EUR

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
€3,660 EUR