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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 €1,500 EUR
$1,676 USD
As of October 30, 2026
Save €4,609 EUR (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,109 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 30, 2026, with prices from €1,500 to €6,109, a €4,609 spread on the same certified stone. Taylor and Hart lists it at €6,109. 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
Color
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: Oct 30
Current: €4,132 EUR|Low: €1,500 EUR|High: €6,507 EUR|Avg: €3,148 EUR|-0.2%
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 1, 2026
Retailer 8€1,500 EUR
Retailer 13€1,633 EUR
Retailer 3€1,680 EUR
Retailer 6€1,741 EUR
Retailer 12€1,893 EUR
Retailer 14€1,965 EUR
Retailer 9€2,467 EUR
Retailer 2€2,514 EUR
Retailer 15€2,734 EUR
Retailer 16€3,001 EUR
Retailer 5€3,263 EUR
Retailer 7€3,601 EUR
Retailer 1€4,132 EUR
Retailer 10€4,491 EUR
Retailer 4€4,690 EUR
Retailer 11€4,998 EUR
Taylor and Hart€6,109 EUR

34 data points across 17 retailers

19 retailers€1,500 EUR to €6,109 EUR

A+
Cheapest Retailer
-
€1,500 EUR
$1,676 USD
A
Retailer 2
-
€1,633 EUR
$1,824 USD
View
A
Retailer 3
-
€1,680 EUR
$1,877 USD
View
Final sale: no returns
A
Retailer 4
-
€1,741 EUR
$1,945 USD
View
Retailer 5
-
€1,821 EUR
$2,034 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€1,893 EUR
$2,115 USD
View
A
Retailer 7
-
€1,965 EUR
$2,195 USD
View
A
Retailer 8
-
€2,467 EUR
£2,170 GBP
View
A
Retailer 9
-
€2,514 EUR
$2,809 USD
View
A
Retailer 10
-
€2,734 EUR
$3,055 USD
View
A
Retailer 11
-
€3,001 EUR
$3,353 USD
View
A
Retailer 12
-
€3,263 EUR
$3,645 USD
View
A
Retailer 13
-
€3,601 EUR
£3,168 GBP
View
Retailer 14
-
€4,105 EUR
$4,586 USD
View
Price last confirmed 104 days ago
B+
Retailer 15
-
€4,132 EUR
A$7,102 AUD
View
B+
Retailer 16
-
€4,491 EUR
ZAR 81,058 ZAR
View
B+
Retailer 17
-
€4,690 EUR
$5,240 USD
View
B+
Retailer 18
-
€4,998 EUR
£4,397 GBP
View
Most Expensive
B+
Taylor and Hart
296ETUU · Oct 31
€6,109 EUR
$6,825 USD
View
18 more retailers have this diamond
Prices start from €1,500 EURSave up to €4,609 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
€1,500 EUR