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Marquise|Lab Grown|IGI

3.50ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG737579322

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG737579322

Diamond specifications and retailer prices

From $1,042 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $1,042 USD at B2C Jewels
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 B2C Jewels

About this 3.5ct lab-grown marquise diamond

This 3.5ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG737579322 or 737579322. Listed at a single retailer as of November 1, 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
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737579322
Dimensions16.22 × 7.75 × 4.83 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
16.22 mm7.75 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737579322
Side View
Table 60.0%Crown 34.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $1,042 USD|Low: $578 USD|High: $7,020 USD|Avg: $2,582 USD|+4.5%
B2C Jewels
Retailer 2
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September 23, 2026
Retailer 12$578 USD
Retailer 14$1,035 USD
B2C Jewels$1,042 USD
Retailer 16$1,072 USD
Retailer 7$1,306 USD
Retailer 9$1,323 USD
Retailer 3$1,487 USD
Retailer 5$1,998 USD
Retailer 13$2,346 USD
Retailer 8$2,500 USD
Retailer 10$2,880 USD
Retailer 15$2,967 USD
Retailer 11$3,150 USD
Retailer 4$3,313 USD
Retailer 2$5,440 USD
Retailer 6$6,430 USD

68 data points across 16 retailers

1 retailer

B+
B2C Jewels
31186542 · Nov 1
$1,042 USD
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B+
3.50ct Marquise
$1,042 USD