Marquise|Lab Grown|IGI

3.50ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG758552603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG758552603

Diamond specifications and retailer prices

From $3,950 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $3,950 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.5ct lab-grown marquise diamond

This 3.5ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758552603 or 758552603. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.50
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758552603
Dimensions15.24 × 7.79 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.24 mm7.79 mm3.50 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758552603
Side View
Table 62.0%Crown 39.7°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $3,950 USD|Low: $338 USD|High: $3,950 USD|Avg: $1,850 USD
Brilliant Earth
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June 13, 2026
Retailer 10$338 USD
Retailer 2$395 USD
Retailer 5$813 USD
Retailer 14$990 USD
Retailer 9$992 USD
Retailer 16$1,025 USD
Retailer 13$1,105 USD
Retailer 15$1,303 USD
Retailer 4$1,707 USD
Retailer 7$1,910 USD
Retailer 6$1,999 USD
Retailer 11$2,109 USD
Retailer 3$2,374 USD
Retailer 12$2,388 USD
Retailer 8$3,485 USD
Brilliant Earth$3,950 USD

56 data points across 16 retailers

1 retailer

B
Brilliant Earth
18211100A · Oct 31
$3,950 USD
View

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B
3.50ct Marquise
$3,950 USD