Marquise|Lab Grown|IGI

3.09ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG851646712

Certificate IGI LG851646712

Diamond specifications and retailer prices

From $2,760 USD
As of November 6, 2026
Save $8,267 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,027 USD at Yadav Diamonds · As of November 6, 2026
View at Yadav Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG851646712 or 851646712. Listed at 8 retailers as of November 6, 2026, with prices from $2,760 to $11,027, a $8,267 spread on the same certified stone. Yadav Diamonds lists it at $11,027. 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
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851646712
Dimensions15.34 × 7.65 × 4.58 mm
L/W Ratio2.01
Top View
15.34 mm7.65 mm3.09 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851646712
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.9%

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 6
Current: $4,486 USD|Low: $2,760 USD|High: $11,027 USD|Avg: $5,925 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yadav Diamonds
November 7, 2026
Retailer 4$2,760 USD
Retailer 7$2,985 USD
Retailer 2$3,306 USD
Retailer 6$4,248 USD
Retailer 1$4,486 USD
Retailer 5$8,835 USD
Retailer 3$9,030 USD
Yadav Diamonds$11,027 USD

2 data points across 8 retailers

8 retailers$2,760 USD to $11,027 USD

A
Cheapest Retailer
-
$2,760 USD
A
Retailer 2
-
$2,985 USD
View
B+
Retailer 3
-
$3,306 USD
View
B+
Retailer 4
-
$4,248 USD
View
B+
Retailer 5
-
$4,486 USD
View
B
Retailer 6
-
$8,835 USD
View
B
Retailer 7
-
$9,030 USD
View
Most Expensive
B
Yadav Diamonds
13392128 · Nov 6
$11,027 USD
View
7 more retailers have this diamond
Prices start from $2,760 USDSave up to $8,267 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
$2,760 USD