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Marquise|Lab Grown|IGI

3.03ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754509108

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754509108

Diamond specifications and retailer prices

From $3,523 USD
As of November 5, 2026
Save $14,659 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,182 USD at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754509108 or 754509108. Listed at 14 retailers as of November 4, 2026, with prices from $3,523 to $18,182, a $14,659 spread on the same certified stone. Michael Trio lists it at $18,182. 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

3.03
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754509108
Dimensions14.57 × 7.49 × 4.73 mm
L/W Ratio1.95
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
14.57 mm7.49 mm3.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754509108
Side View
Table 58.0%Crown 37.6°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 63.2%

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: Nov 5
Current: $18,182 USD|Low: $3,523 USD|High: $21,776 USD|Avg: $10,381 USD|-16.5%
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
November 5, 2026
Retailer 11$3,523 USD
Retailer 13$4,239 USD
Retailer 4$6,284 USD
Retailer 7$6,362 USD
Retailer 12$7,435 USD
Retailer 3$7,625 USD
Retailer 10$8,132 USD
Retailer 9$8,420 USD
Retailer 2$10,240 USD
Retailer 5$11,388 USD
Retailer 8$11,548 USD
Retailer 14$13,332 USD
Retailer 6$17,661 USD
Michael Trio$18,182 USD

43 data points across 14 retailers

14 retailers$3,523 USD to $18,182 USD

A
Cheapest Retailer
-
$3,523 USD
A
Retailer 2
-
$4,239 USD
View
B+
Retailer 3
-
$6,284 USD
View
B+
Retailer 4
-
$6,362 USD
View
Retailer 5
-
$7,435 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$7,625 USD
View
Retailer 7
-
$8,132 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$8,420 USD
View
B+
Retailer 9
-
$10,240 USD
View
B
Retailer 10
-
$11,388 USD
View
B
Retailer 11
-
$11,548 USD
View
B
Retailer 12
-
$13,332 USD
View
B
Retailer 13
-
$17,661 USD
View
Most Expensive
B
Michael Trio
1761542764 · Nov 4
$18,182 USD
SGD 24,570 SGD
View
13 more retailers have this diamond
Prices start from $3,523 USDSave up to $14,659 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
3.03ct Marquise
$3,523 USD