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Marquise|Lab Grown|IGI

2.55ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG780664158

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780664158

Diamond specifications and retailer prices

From €3,045 EUR
$3,415 USD
As of November 2, 2026
Save €10,251 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €13,296 EUR at With Clarity · As of November 2, 2026
View at With Clarity

About this 2.55ct lab-grown marquise diamond

This 2.55ct 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 LG780664158 or 780664158. Listed at 16 retailers as of November 2, 2026, with prices from €3,045 to €13,296, a €10,251 spread on the same certified stone. With Clarity lists it at €13,296. 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

2.55
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664158
Dimensions13.79 × 7.10 × 4.49 mm
L/W Ratio1.94
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
13.79 mm7.10 mm2.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664158
Side View
Table 59.0%Crown 36.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 63.2%

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: €3,078 EUR|Low: €2,230 EUR|High: €16,823 EUR|Avg: €6,927 EUR|+10.6%
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
With Clarity
November 2, 2026
Retailer 6€2,230 EUR
Retailer 3€3,045 EUR
Retailer 1€3,078 EUR
Retailer 9€4,200 EUR
Retailer 12€4,266 EUR
Retailer 8€4,530 EUR
Retailer 5€5,160 EUR
Retailer 2€5,492 EUR
Retailer 10€6,027 EUR
Retailer 14€8,508 EUR
Retailer 11€8,623 EUR
Retailer 15€8,775 EUR
Retailer 4€9,003 EUR
Retailer 13€9,696 EUR
Retailer 7€11,915 EUR
With Clarity€13,296 EUR

26 data points across 16 retailers

16 retailers€3,045 EUR to €13,296 EUR

A
Cheapest Retailer
-
€3,045 EUR
$3,415 USD
A
Retailer 2
-
€3,078 EUR
$3,452 USD
View
B+
Retailer 3
-
€4,200 EUR
HK$36,800 HKD
View
B+
Retailer 4
-
€4,266 EUR
$4,785 USD
View
B+
Retailer 5
-
€4,530 EUR
£4,001 GBP
View
B+
Retailer 6
-
€5,160 EUR
$5,788 USD
View
B+
Retailer 7
-
€5,492 EUR
View
B+
Retailer 8
-
€5,840 EUR
$6,550 USD
View
B
Retailer 9
-
€6,027 EUR
$6,760 USD
View
B
Retailer 10
-
€8,508 EUR
$9,543 USD
View
B
Retailer 11
-
€8,623 EUR
£7,615 GBP
View
B
Retailer 12
-
€8,775 EUR
ZAR 158,992 ZAR
View
Retailer 13
-
€9,003 EUR
$10,098 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
€9,696 EUR
A$16,731 AUD
View
B
Retailer 15
-
€11,915 EUR
$13,364 USD
View
Most Expensive
B
With Clarity
780664158 · Nov 2
€13,296 EUR
$14,913 USD
View
15 more retailers have this diamond
Prices start from €3,045 EURSave up to €10,251 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
2.55ct Marquise
€3,045 EUR