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Marquise|Lab Grown|IGI

2.54ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817661438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817661438

Diamond specifications and retailer prices

From €1,494 EUR
$1,676 USD
As of November 2, 2026
Save €4,590 EUR (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,085 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.54ct lab-grown marquise diamond

This 2.54ct 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 LG817661438 or 817661438. Listed at 19 retailers as of October 31, 2026, with prices from €1,494 to €6,085, a €4,590 spread on the same certified stone. Taylor and Hart lists it at €6,085. 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

2.54
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661438
Dimensions14.21 × 7.09 × 4.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm7.09 mm2.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661438
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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: €2,458 EUR|Low: €1,494 EUR|High: €6,481 EUR|Avg: €3,179 EUR|-8.7%
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
Taylor and Hart
November 2, 2026
Retailer 8€1,494 EUR
Retailer 13€1,626 EUR
Retailer 3€1,673 EUR
Retailer 6€1,734 EUR
Retailer 12€1,886 EUR
Retailer 14€1,957 EUR
Retailer 1€2,458 EUR
Retailer 2€2,504 EUR
Retailer 15€2,724 EUR
Retailer 16€2,989 EUR
Retailer 5€3,250 EUR
Retailer 7€3,587 EUR
Retailer 9€4,116 EUR
Retailer 10€4,473 EUR
Retailer 4€4,672 EUR
Retailer 11€4,979 EUR
Taylor and Hart€6,085 EUR

35 data points across 17 retailers

19 retailers€1,494 EUR to €6,085 EUR

A+
Cheapest Retailer
-
€1,494 EUR
$1,676 USD
A
Retailer 2
-
€1,626 EUR
$1,824 USD
View
A
Retailer 3
-
€1,673 EUR
$1,877 USD
View
Final sale: no returns
A
Retailer 4
-
€1,734 EUR
$1,945 USD
View
Retailer 5
-
€1,813 EUR
$2,034 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€1,886 EUR
$2,115 USD
View
A
Retailer 7
-
€1,957 EUR
$2,195 USD
View
A
Retailer 8
-
€2,458 EUR
£2,170 GBP
View
A
Retailer 9
-
€2,504 EUR
$2,809 USD
View
A
Retailer 10
-
€2,724 EUR
$3,055 USD
View
A
Retailer 11
-
€2,989 EUR
$3,353 USD
View
A
Retailer 12
-
€3,250 EUR
$3,645 USD
View
A
Retailer 13
-
€3,587 EUR
£3,168 GBP
View
Retailer 14
-
€4,089 EUR
$4,586 USD
View
Price last confirmed 105 days ago
B+
Retailer 15
-
€4,116 EUR
A$7,102 AUD
View
B+
Retailer 16
-
€4,473 EUR
ZAR 81,058 ZAR
View
B+
Retailer 17
-
€4,672 EUR
$5,240 USD
View
B+
Retailer 18
-
€4,979 EUR
£4,397 GBP
View
Most Expensive
B+
Taylor and Hart
296ETUU · Oct 31
€6,085 EUR
$6,825 USD
View
18 more retailers have this diamond
Prices start from €1,494 EURSave up to €4,590 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+
2.54ct Marquise
€1,494 EUR