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Marquise|Lab Grown|IGI

3.09ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG736502250

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG736502250

Diamond specifications and retailer prices

From $1,517 USD
As of November 4, 2026
Save $5,317 USD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,834 USD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG736502250 or 736502250. Listed at 23 retailers as of November 4, 2026, with prices from $1,517 to $6,834, a $5,317 spread on the same certified stone. Taylor and Hart lists it at $6,834. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG736502250
Dimensions7.62 × 7.62 × 4.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.62 mm7.62 mm3.09 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG736502250
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.8%

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 4
Current: $2,240 USD|Low: $1,517 USD|High: $11,090 USD|Avg: $3,837 USD|-0.6%
Retailer 1
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Retailer 20
Taylor and Hart
November 5, 2026
Retailer 18$1,517 USD
Retailer 7$1,594 USD
Retailer 19$1,651 USD
Retailer 4$1,698 USD
Retailer 8$1,930 USD
Retailer 2$2,046 USD
Retailer 1$2,240 USD
Retailer 6$2,474 USD
Retailer 15$2,726 USD
Retailer 17$3,112 USD
Retailer 5$3,632 USD
Retailer 11$3,738 USD
Retailer 10$4,023 USD
Retailer 20$4,386 USD
Retailer 16$4,525 USD
Retailer 3$4,743 USD
Retailer 9$5,336 USD
Retailer 13$5,480 USD
Retailer 14$5,533 USD
Taylor and Hart$6,834 USD
Retailer 12$10,440 USD

7 data points across 21 retailers

23 retailers$1,517 USD to $6,834 USD

B+
Cheapest Retailer
-
$1,517 USD
B+
Retailer 2
-
$1,594 USD
View
B+
Retailer 3
-
$1,651 USD
View
B+
Retailer 4
-
$1,698 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,760 USD
View
B+
Retailer 6
-
$1,930 USD
View
B+
Retailer 7
-
$1,932 USD
View
B+
Retailer 8
-
$2,046 USD
View
B+
Retailer 9
-
$2,240 USD
View
B
Retailer 10
-
$2,474 USD
View
B+
Retailer 11
-
$2,726 USD
View
B
Retailer 12
-
$3,112 USD
View
B
Retailer 13
-
$3,632 USD
View
B
Retailer 14
-
$3,642 USD
View
Retailer 15
-
$3,738 USD
View
Price last confirmed 54 days ago
B
Retailer 16
-
$4,023 USD
View
B
Retailer 17
-
$4,386 USD
View
B
Retailer 18
-
$4,525 USD
View
B
Retailer 19
-
$4,743 USD
View
B
Retailer 20
-
$5,336 USD
View
B
Retailer 21
-
$5,533 USD
View
Most Expensive
B
Taylor and Hart
KPEID78 · Nov 4
$6,834 USD
View
21 more retailers have this diamond
Prices start from $1,517 USDSave up to $5,317 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
$1,517 USD