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Marquise|Lab Grown|IGI

3.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784642089

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784642089

Diamond specifications and retailer prices

From $3,350 USD
As of November 4, 2026
Save $19,700 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $23,050 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown marquise diamond

This 3.05ct 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 LG784642089 or 784642089. Listed at 14 retailers as of November 4, 2026, with prices from $3,350 to $23,050, a $19,700 spread on the same certified stone. Do Amore Diamonds lists it at $23,050. 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

3.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642089
Dimensions14.30 × 7.54 × 4.91 mm
L/W Ratio1.90
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
14.30 mm7.54 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642089
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 65.1%

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 4
Current: $23,050 USD|Low: $3,350 USD|High: $27,470 USD|Avg: $7,805 USD|-16.1%
Do Amore Diamonds
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 4, 2026
Retailer 7$3,350 USD
Retailer 10$3,569 USD
Retailer 13$3,788 USD
Retailer 14$3,810 USD
Retailer 9$4,040 USD
Retailer 6$4,711 USD
Retailer 8$5,360 USD
Retailer 11$5,360 USD
Retailer 2$6,031 USD
Retailer 5$7,450 USD
Retailer 4$7,628 USD
Retailer 3$9,050 USD
Retailer 12$9,188 USD
Do Amore Diamonds$23,050 USD

34 data points across 14 retailers

14 retailers$3,350 USD to $23,050 USD

A
Cheapest Retailer
-
$3,350 USD
A
Retailer 2
-
$3,569 USD
View
A
Retailer 3
-
$3,788 USD
View
A
Retailer 4
-
$3,810 USD
View
A
Retailer 5
-
$4,040 USD
View
A
Retailer 6
-
$4,711 USD
View
Final sale: no returns
A
Retailer 7
-
$5,360 USD
View
A
Retailer 8
-
$5,360 USD
View
A
Retailer 9
-
$6,031 USD
View
Retailer 10
-
$7,450 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$7,628 USD
View
B+
Retailer 12
-
$9,050 USD
View
B+
Retailer 13
-
$9,188 USD
View
Most Expensive
B
Do Amore Diamonds
27-682C86870 · Nov 4
$23,050 USD
View
13 more retailers have this diamond
Prices start from $3,350 USDSave up to $19,700 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
3.05ct Marquise
$3,350 USD