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Marquise|Lab Grown|IGI

2.57ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG799606082

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799606082

Diamond specifications and retailer prices

From €601 EUR
$671 USD
As of October 31, 2026
Save €4,251 EUR (88%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €4,851 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown marquise diamond

This 2.57ct lab-grown marquise sits in the two to three carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799606082 or 799606082. Listed at 2 retailers as of October 31, 2026, with prices from €601 to €4,851, a €4,251 spread on the same certified stone. Do Amore Diamonds lists it at €4,851. 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
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799606082
Dimensions14.13 × 7.06 × 4.53 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
14.13 mm7.06 mm2.57 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799606082
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €4,851 EUR|Low: €575 EUR|High: €4,851 EUR|Avg: €1,474 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 18, 2026
Retailer 6€590 EUR
Retailer 4€601 EUR
Retailer 3€1,015 EUR
Retailer 7€1,112 EUR
Retailer 5€1,696 EUR
Retailer 2€2,423 EUR
Retailer 8€2,551 EUR
Do Amore Diamonds€4,851 EUR

18 data points across 8 retailers

2 retailers€601 EUR to €4,851 EUR

A
Cheapest Retailer
-
€601 EUR
$671 USD
Most Expensive
C
Do Amore Diamonds
16-500126259 · Nov 1
€4,851 EUR
$5,420 USD
View
1 more retailer has this diamond
Prices start from €601 EURSave up to €4,251 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
2.57ct Marquise
€601 EUR