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Princess|Lab Grown|IGI

2.57ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780661909

Shape and cutting style on the report: Princess cut

Certificate IGI LG780661909

Diamond specifications and retailer prices

From €1,289 EUR
$1,446 USD
As of November 2, 2026
Save €7,582 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €8,871 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown princess diamond

This 2.57ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780661909 or 780661909. Listed at 16 retailers as of November 2, 2026, with prices from €1,289 to €8,871, a €7,582 spread on the same certified stone. Do Amore Diamonds lists it at €8,871. 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

2.57
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661909
Dimensions7.34 × 7.29 × 5.36 mm
L/W Ratio1.01
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
7.34 mm7.29 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661909
Side View
Table 70.0%Crown 43.4°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 73.5%

Caratlytics Score

How it works →
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: Nov 2
Current: €8,871 EUR|Low: €1,289 EUR|High: €13,980 EUR|Avg: €3,848 EUR|-36.5%
Do Amore Diamonds
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
November 3, 2026
Retailer 13€1,289 EUR
Retailer 10€1,402 EUR
Retailer 12€1,591 EUR
Retailer 14€1,952 EUR
Retailer 9€1,961 EUR
Retailer 8€2,359 EUR
Retailer 11€2,714 EUR
Retailer 15€2,755 EUR
Retailer 4€3,094 EUR
Retailer 5€3,727 EUR
Retailer 2€4,105 EUR
Retailer 3€4,161 EUR
Retailer 7€5,314 EUR
Retailer 6€5,780 EUR
Do Amore Diamonds€8,871 EUR

35 data points across 15 retailers

16 retailers€1,289 EUR to €8,871 EUR

A
Cheapest Retailer
-
€1,289 EUR
$1,446 USD
A
Retailer 2
-
€1,402 EUR
$1,573 USD
View
A
Retailer 3
-
€1,591 EUR
$1,784 USD
View
A
Retailer 4
-
€1,952 EUR
$2,189 USD
View
A
Retailer 5
-
€1,961 EUR
$2,200 USD
View
A
Retailer 6
-
€2,359 EUR
$2,646 USD
View
A
Retailer 7
-
€2,402 EUR
$2,694 USD
View
Final sale: no returns
A
Retailer 8
-
€2,714 EUR
$3,044 USD
View
A
Retailer 9
-
€2,755 EUR
View
A
Retailer 10
-
€3,094 EUR
$3,470 USD
View
B+
Retailer 11
-
€3,727 EUR
$4,180 USD
View
B+
Retailer 12
-
€4,105 EUR
£3,625 GBP
View
B+
Retailer 13
-
€4,161 EUR
$4,667 USD
View
B+
Retailer 14
-
€5,314 EUR
$5,960 USD
View
B+
Retailer 15
-
€5,780 EUR
$6,483 USD
View
Most Expensive
B
Do Amore Diamonds
27-A584B1DBF · Nov 2
€8,871 EUR
$9,950 USD
View
15 more retailers have this diamond
Prices start from €1,289 EURSave up to €7,582 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
2.57ct Princess
€1,289 EUR