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Marquise|Lab Grown|IGI

3.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790611989

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611989

Diamond specifications and retailer prices

From $3,131 USD
As of November 3, 2026
Save $20,679 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $23,810 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG790611989 or 790611989. Listed at 22 retailers as of November 2, 2026, with prices from $3,131 to $23,810, a $20,679 spread on the same certified stone. Do Amore Diamonds lists it at $23,810. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611989
Dimensions14.64 × 7.51 × 4.71 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
14.64 mm7.51 mm3.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611989
Side View
Table 60.0%Crown 35.1°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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 3
Current: $23,810 USD|Low: $3,131 USD|High: $27,180 USD|Avg: $8,579 USD|-12.4%
Do Amore Diamonds
Retailer 2
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November 3, 2026
Retailer 6$3,131 USD
Retailer 9$3,460 USD
Retailer 22$3,765 USD
Retailer 10$3,875 USD
Retailer 20$3,877 USD
Retailer 19$4,014 USD
Retailer 7$4,170 USD
Retailer 15$4,583 USD
Retailer 11$5,286 USD
Retailer 18$5,537 USD
Retailer 21$5,537 USD
Retailer 13$5,803 USD
Retailer 17$6,226 USD
Retailer 5$6,812 USD
Retailer 3$7,415 USD
Retailer 16$9,490 USD
Retailer 8$10,121 USD
Retailer 2$10,318 USD
Retailer 4$11,589 USD
Retailer 12$15,302 USD
Retailer 14$15,676 USD
Do Amore Diamonds$23,810 USD

41 data points across 22 retailers

22 retailers$3,131 USD to $23,810 USD

A+
Cheapest Retailer
-
$3,131 USD
A
Retailer 2
-
$3,460 USD
View
A
Retailer 3
-
$3,765 USD
View
A
Retailer 4
-
$3,875 USD
View
Final sale: no returns
A
Retailer 5
-
$3,877 USD
View
A
Retailer 6
-
$4,014 USD
View
A
Retailer 7
-
$4,170 USD
View
Retailer 8
-
$4,583 USD
View
Price last confirmed 23 days ago
A
Retailer 9
-
$5,286 USD
View
A
Retailer 10
-
$5,537 USD
View
A
Retailer 11
-
$5,537 USD
View
A
Retailer 12
-
$5,803 USD
View
B+
Retailer 13
-
$6,226 USD
View
B+
Retailer 14
-
$6,812 USD
View
B+
Retailer 15
-
$7,415 USD
View
B+
Retailer 16
-
$9,490 USD
View
B+
Retailer 17
-
$10,121 USD
View
B+
Retailer 18
-
$10,318 USD
View
B
Retailer 19
-
$11,589 USD
View
B
Retailer 20
-
$15,302 USD
View
B
Retailer 21
-
$15,676 USD
View
Most Expensive
B
Do Amore Diamonds
27-4932AA6EF · Nov 2
$23,810 USD
View
21 more retailers have this diamond
Prices start from $3,131 USDSave up to $20,679 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
$3,131 USD