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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG628447841

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628447841

Diamond specifications and retailer prices

From $7,980 USD
As of November 2, 2026
Save $11,039 USD (58%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $19,019 USD at Novita Diamonds · As of November 1, 2026
View at Novita 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 LG628447841 or 628447841. Listed at 3 retailers as of November 1, 2026, with prices from $7,980 to $19,019, a $11,039 spread on the same certified stone. Novita Diamonds lists it at $19,019. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447841
Dimensions14.68 × 7.74 × 4.71 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
14.68 mm7.74 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447841
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $19,019 USD|Low: $3,536 USD|High: $25,464 USD|Avg: $10,822 USD|+16.0%
Novita Diamonds
Retailer 2
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November 1, 2026
Retailer 11$3,536 USD
Retailer 10$3,665 USD
Retailer 15$3,918 USD
Retailer 14$4,205 USD
Retailer 12$5,458 USD
Retailer 4$5,728 USD
Retailer 3$6,074 USD
Retailer 2$7,072 USD
Retailer 16$7,980 USD
Retailer 9$9,576 USD
Retailer 7$9,694 USD
Retailer 6$18,478 USD
Novita Diamonds$19,019 USD
Retailer 5$20,121 USD
Retailer 13$24,020 USD
Retailer 8$25,464 USD

8 data points across 16 retailers

3 retailers$7,980 USD to $19,019 USD

Retailer 1
-
$6,074 USD
Price last confirmed 54 days ago
B+
Retailer 2
-
$7,980 USD
View
Most Expensive
B
Novita Diamonds
cert_628447841 · Nov 1
$19,019 USD
A$29,260 AUD
View
2 more retailers have this diamond
Prices start from $7,980 USDSave up to $11,039 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.

B+
3.09ct Marquise
$7,980 USD