Marquise|Lab Grown|IGI

2.54ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818683666

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818683666

Diamond specifications and retailer prices

From $3,746 USD
As of October 30, 2026
Save $12,428 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,174 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.54ct lab-grown marquise diamond

This 2.54ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683666 or 818683666. Listed at 10 retailers as of October 30, 2026, with prices from $3,746 to $16,174, a $12,428 spread on the same certified stone. With Clarity lists it at $16,174. 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
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683666
Dimensions13.77 × 7.06 × 4.54 mm
L/W Ratio1.95
Girdle conditionFaceted
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
13.77 mm7.06 mm2.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683666
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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: Oct 30
Current: $5,514 USD|Low: $3,746 USD|High: $16,174 USD|Avg: $8,689 USD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 30, 2026
Retailer 4$3,746 USD
Retailer 7$5,107 USD
Retailer 1$5,514 USD
Retailer 5$6,272 USD
Retailer 3$6,655 USD
Retailer 6$8,760 USD
Retailer 2$8,875 USD
Retailer 8$10,952 USD
Retailer 9$14,514 USD
With Clarity$16,174 USD

33 data points across 10 retailers

10 retailers$3,746 USD to $16,174 USD

A
Cheapest Retailer
-
$3,746 USD
B+
Retailer 2
-
$5,107 USD
HK$39,900 HKD
View
B+
Retailer 3
-
$5,514 USD
£4,342 GBP
View
B+
Retailer 4
-
$6,272 USD
View
B+
Retailer 5
-
$6,655 USD
€6,338 EUR
View
B
Retailer 6
-
$8,760 USD
View
B+
Retailer 7
-
$8,875 USD
£6,988 GBP
View
B
Retailer 8
-
$10,952 USD
View
B
Retailer 9
-
$14,514 USD
View
Most Expensive
B
With Clarity
818683666 · Oct 30
$16,174 USD
View
9 more retailers have this diamond
Prices start from $3,746 USDSave up to $12,428 USD

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
$3,746 USD