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Marquise|Lab Grown|IGI

3.17ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG841675389

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841675389

Diamond specifications and retailer prices

From $548 CAD
$392 USD
As of November 1, 2026
Save $3,615 CAD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,163 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.17ct lab-grown marquise diamond

This 3.17ct 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 LG841675389 or 841675389. Listed at 4 retailers as of October 28, 2026, with prices from $548 to $4,163, a $3,615 spread on the same certified stone. Brilliant Earth lists it at $4,163. 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

3.17
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841675389
Dimensions15.57 × 7.42 × 4.72 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.57 mm7.42 mm3.17 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841675389
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,163 CAD|Low: $548 CAD|High: $4,261 CAD|Avg: $2,355 CAD|-2.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$548 CAD
Retailer 2$1,139 CAD
Retailer 4$3,143 CAD
Brilliant Earth$4,163 CAD

25 data points across 4 retailers

4 retailers$548 CAD to $4,163 CAD

A
Cheapest Retailer
-
$548 CAD
$392 USD
Final sale: no returns
A
Retailer 2
-
$1,139 CAD
£642 GBP
View
B
Retailer 3
-
$3,143 CAD
$2,250 USD
View
Most Expensive
B
Brilliant Earth
21726498A · Oct 28
$4,163 CAD
$2,980 USD
View
3 more retailers have this diamond
Prices start from $548 CADSave up to $3,615 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.

A
3.17ct Marquise
$548 CAD