Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839608344

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839608344

Diamond specifications and retailer prices

From $3,310 USD
As of October 30, 2026
Save $19,460 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,770 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG839608344 or 839608344. Listed at 19 retailers as of October 30, 2026, with prices from $3,310 to $22,770, a $19,460 spread on the same certified stone. Do Amore Diamonds lists it at $22,770. 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

3.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608344
Dimensions14.67 × 7.52 × 4.73 mm
L/W Ratio1.95
Girdle conditionFaceted
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
14.67 mm7.52 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608344
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.9%

Caratlytics Score

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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 30
Current: $22,770 USD|Low: $3,310 USD|High: $43,241 USD|Avg: $8,331 USD|-2.5%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 1, 2026
Retailer 20$3,310 USD
Retailer 3$3,416 USD
Retailer 8$3,622 USD
Retailer 19$3,636 USD
Retailer 4$3,995 USD
Retailer 15$5,043 USD
Retailer 17$5,296 USD
Retailer 18$5,296 USD
Retailer 10$5,865 USD
Retailer 13$5,959 USD
Retailer 7$7,022 USD
Retailer 9$7,740 USD
Retailer 12$8,674 USD
Retailer 5$9,037 USD
Retailer 2$9,078 USD
Retailer 14$9,673 USD
Retailer 6$10,514 USD
Retailer 16$16,188 USD
Retailer 11$18,071 USD
Do Amore Diamonds$22,770 USD

30 data points across 20 retailers

19 retailers$3,310 USD to $22,770 USD

A
Cheapest Retailer
-
$3,310 USD
A
Retailer 2
-
$3,416 USD
View
A
Retailer 3
-
$3,622 USD
View
A
Retailer 4
-
$3,636 USD
View
A
Retailer 5
-
$3,995 USD
View
A
Retailer 6
-
$5,043 USD
£3,971 GBP
View
A
Retailer 7
-
$5,296 USD
View
A
Retailer 8
-
$5,296 USD
View
A
Retailer 9
-
$5,865 USD
View
A
Retailer 10
-
$5,959 USD
View
B+
Retailer 11
-
$7,022 USD
€6,688 EUR
View
B+
Retailer 12
-
$7,740 USD
View
Retailer 13
-
$8,674 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
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$9,037 USD
View
B+
Retailer 15
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$9,078 USD
£7,148 GBP
View
B+
Retailer 16
-
$9,673 USD
A$14,881 AUD
View
B+
Retailer 17
-
$10,514 USD
View
B
Retailer 18
-
$16,188 USD
A$24,904 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8D06CDB17 · Oct 31
$22,770 USD
View
18 more retailers have this diamond
Prices start from $3,310 USDSave up to $19,460 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
3.09ct Marquise
$3,310 USD