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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 $5,149 AUD
$3,617 USD
As of October 31, 2026
Save $23,062 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $28,211 AUD at Michael Trio · As of October 31, 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 31, 2026, with prices from $5,149 to $28,211, a $23,062 spread on the same certified stone. Michael Trio lists it at $28,211. 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
Colour
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 31
Current: $28,211 AUD|Low: $5,149 AUD|High: $31,150 AUD|Avg: $14,812 AUD|-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
October 31, 2026
Retailer 11$5,149 AUD
Retailer 13$6,540 AUD
Retailer 4$9,749 AUD
Retailer 2$9,971 AUD
Retailer 12$10,940 AUD
Retailer 3$11,837 AUD
Retailer 9$12,631 AUD
Retailer 5$13,032 AUD
Retailer 7$13,780 AUD
Retailer 10$15,968 AUD
Retailer 8$17,810 AUD
Retailer 14$20,708 AUD
Retailer 6$27,441 AUD
Michael Trio$28,211 AUD

41 data points across 14 retailers

14 retailers$5,149 AUD to $28,211 AUD

A
Cheapest Retailer
-
$5,149 AUD
$3,617 USD
A
Retailer 2
-
$6,540 AUD
$4,594 USD
View
B+
Retailer 3
-
$9,749 AUD
HK$53,500 HKD
View
B+
Retailer 4
-
$9,971 AUD
£5,515 GBP
View
B+
Retailer 5
-
$10,940 AUD
$7,685 USD
View
B+
Retailer 6
-
$11,837 AUD
$8,315 USD
View
B+
Retailer 7
-
$12,631 AUD
€8,450 EUR
View
B+
Retailer 8
-
$13,032 AUD
$9,154 USD
View
B+
Retailer 9
-
$13,780 AUD
$9,680 USD
View
B+
Retailer 10
-
$15,968 AUD
£8,832 GBP
View
B
Retailer 11
-
$17,810 AUD
ZAR 202,111 ZAR
View
Retailer 12
-
$20,708 AUD
$14,546 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$27,441 AUD
$19,276 USD
View
Most Expensive
B
Michael Trio
1379234710 · Oct 31
$28,211 AUD
SGD 26,779 SGD
View
13 more retailers have this diamond
Prices start from $5,149 AUDSave up to $23,062 AUD

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
$5,149 AUD