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Marquise|Lab Grown|IGI

3.04ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG737509581

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG737509581

Diamond specifications and retailer prices

From $4,765 USD
As of November 3, 2026
Save $13,963 USD (75%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $18,728 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.04ct lab-grown marquise diamond

This 3.04ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737509581 or 737509581. Listed at 26 retailers as of October 31, 2026, with prices from $4,765 to $18,728, a $13,963 spread on the same certified stone. Taylor and Hart lists it at $18,728. 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

3.04
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737509581
Dimensions14.75 × 7.55 × 4.65 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
14.75 mm7.55 mm3.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737509581
Side View
Table 62.0%Crown 36.6°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 61.6%

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 3
Current: $6,739 USD|Low: $4,889 USD|High: $17,052 USD|Avg: $8,829 USD|-0.5%
Retailer 1
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
Retailer 16
November 4, 2026
Retailer 7$4,889 USD
Retailer 15$5,166 USD
Retailer 3$5,280 USD
Retailer 10$5,844 USD
Retailer 2$6,120 USD
Retailer 6$6,551 USD
Retailer 1$6,739 USD
Retailer 8$7,391 USD
Retailer 4$7,648 USD
Retailer 14$8,923 USD
Retailer 16$9,820 USD
Retailer 11$10,854 USD
Retailer 5$11,710 USD
Retailer 12$12,086 USD
Retailer 9$12,209 USD
Retailer 13$16,402 USD

41 data points across 16 retailers

26 retailers$4,765 USD to $18,728 USD

Retailer 1
-
$4,519 USD
Price last confirmed 16 days ago
Retailer 2
-
$4,736 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$4,765 USD
View
A
Retailer 4
-
$4,889 USD
View
A
Retailer 5
-
$5,166 USD
View
Final sale: no returns
Retailer 6
-
$5,243 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$5,243 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$5,280 USD
View
B+
Retailer 9
-
$5,844 USD
View
B+
Retailer 10
-
$6,120 USD
View
B+
Retailer 11
-
$6,214 USD
View
B+
Retailer 12
-
$6,233 USD
View
Retailer 13
-
$6,551 USD
View
Price last confirmed 15 days ago
B+
Retailer 14
-
$6,739 USD
View
B+
Retailer 15
-
$7,391 USD
View
B+
Retailer 16
-
$7,648 USD
View
Retailer 17
-
$8,923 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$9,820 USD
View
B+
Retailer 19
-
$10,854 USD
View
B
Retailer 20
-
$11,710 USD
View
B
Retailer 21
-
$12,086 USD
View
B
Retailer 22
-
$12,209 USD
View
B
Retailer 23
-
$12,619 USD
View
B
Retailer 24
-
$15,279 USD
View
B
Retailer 25
-
$16,402 USD
View
Most Expensive
B
Taylor and Hart
A3G68IR · Oct 31
$18,728 USD
View
25 more retailers have this diamond
Prices start from $4,765 USDSave up to $13,963 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
3.04ct Marquise
$4,765 USD