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Marquise|Lab Grown|IGI

3.50ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG752523278

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752523278

Diamond specifications and retailer prices

From $2,115 CAD
As of October 30, 2026
Save $936 CAD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,051 CAD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 LG752523278 or 752523278. Listed at 2 retailers as of October 30, 2026, with prices from $2,115 to $3,051, a $936 spread on the same certified stone. The Diamond Guys lists it at $3,051. 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 angle35°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752523278
Dimensions16.38 × 7.80 × 4.87 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
16.38 mm7.80 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752523278
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.4%

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: Oct 30
Current: $1,746 CAD|Low: $742 CAD|High: $5,022 CAD|Avg: $1,909 CAD|-21.1%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
The Diamond Guys
August 3, 2026
Retailer 6$931 CAD
Retailer 3$985 CAD
Retailer 4$1,003 CAD
Retailer 8$1,322 CAD
Retailer 12$1,361 CAD
Retailer 14$1,502 CAD
Retailer 11$1,736 CAD
Retailer 1$1,746 CAD
Retailer 5$2,044 CAD
Retailer 9$2,115 CAD
Retailer 10$2,598 CAD
Retailer 2$2,827 CAD
The Diamond Guys$3,051 CAD
Retailer 7$4,565 CAD
Retailer 13$4,819 CAD

57 data points across 15 retailers

2 retailers$2,115 CAD to $3,051 CAD

B+
Cheapest Retailer
-
$2,115 CAD
Most Expensive
B
The Diamond Guys
1958037485 · Nov 1
$3,051 CAD
$2,184 USD
View
1 more retailer has this diamond
Prices start from $2,115 CADSave up to $936 CAD

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+
3.50ct Marquise
$2,115 CAD