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Marquise|Lab Grown|IGI

3.48ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG754509111

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754509111

Diamond specifications and retailer prices

From $3,617 USD
As of October 28, 2026
Save $16,199 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,816 USD at Michael Trio · As of October 29, 2026
View at Michael Trio

About this 3.48ct lab-grown marquise diamond

This 3.48ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754509111 or 754509111. Listed at 14 retailers as of October 28, 2026, with prices from $3,617 to $19,816, a $16,199 spread on the same certified stone. Michael Trio lists it at $19,816. 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

3.48
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754509111
Dimensions15.36 × 7.90 × 5.03 mm
L/W Ratio1.94
Girdle conditionFaceted
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
15.36 mm7.90 mm3.48 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754509111
Side View
Table 59.0%Crown 35.6°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 63.7%

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: Oct 28
Current: $19,816 USD|Low: $3,617 USD|High: $23,269 USD|Avg: $11,252 USD|-9.4%
Michael Trio
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
October 29, 2026
Retailer 11$3,617 USD
Retailer 13$4,594 USD
Retailer 3$6,848 USD
Retailer 8$6,983 USD
Retailer 12$7,685 USD
Retailer 15$8,315 USD
Retailer 9$8,873 USD
Retailer 4$9,154 USD
Retailer 10$11,217 USD
Retailer 2$12,511 USD
Retailer 6$12,570 USD
Retailer 14$14,546 USD
Retailer 5$19,276 USD
Michael Trio$19,816 USD
Retailer 7$23,269 USD

40 data points across 15 retailers

14 retailers$3,617 USD to $19,816 USD

A
Cheapest Retailer
-
$3,617 USD
A
Retailer 2
-
$4,594 USD
View
B+
Retailer 3
-
$6,848 USD
HK$53,500 HKD
View
A
Retailer 4
-
$6,983 USD
£5,498 GBP
View
B+
Retailer 5
-
$7,685 USD
View
B+
Retailer 6
-
$8,315 USD
View
B+
Retailer 7
-
$8,873 USD
€8,450 EUR
View
B+
Retailer 8
-
$9,154 USD
View
B+
Retailer 9
-
$11,217 USD
£8,832 GBP
View
B
Retailer 10
-
$12,511 USD
ZAR 202,111 ZAR
View
B
Retailer 11
-
$12,570 USD
View
B
Retailer 12
-
$14,546 USD
View
B
Retailer 13
-
$19,276 USD
View
Most Expensive
B
Michael Trio
1379234710 · Oct 29
$19,816 USD
SGD 26,779 SGD
View
13 more retailers have this diamond
Prices start from $3,617 USDSave up to $16,199 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
3.48ct Marquise
$3,617 USD