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Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG715569166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG715569166

Diamond specifications and retailer prices

From $1,213 CAD
$868 USD
As of November 1, 2026
Save $1,911 CAD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,123 CAD at Brilliance · As of November 1, 2026
View at Brilliance

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG715569166 or 715569166. Listed at 7 retailers as of November 1, 2026, with prices from $1,213 to $3,123, a $1,911 spread on the same certified stone. Brilliance lists it at $3,123. 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

3.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715569166
Dimensions15.30 × 7.97 × 5.01 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.30 mm7.97 mm3.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715569166
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,123 CAD|Low: $1,050 CAD|High: $5,602 CAD|Avg: $2,486 CAD
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$1,213 CAD
Retailer 2$1,267 CAD
Retailer 12$1,301 CAD
Retailer 6$1,679 CAD
Retailer 10$1,726 CAD
Retailer 4$2,289 CAD
Retailer 7$2,530 CAD
Retailer 9$2,724 CAD
Retailer 5$2,839 CAD
Brilliance$3,123 CAD
Retailer 3$3,669 CAD
Retailer 11$5,602 CAD

37 data points across 12 retailers

7 retailers$1,213 CAD to $3,123 CAD

B+
Cheapest Retailer
-
$1,213 CAD
$868 USD
A
Retailer 2
-
$1,267 CAD
£714 GBP
View
A
Retailer 3
-
$1,679 CAD
$1,202 USD
View
Retailer 4
-
$2,289 CAD
HK$12,800 HKD
View
Price last confirmed 32 days ago
B+
Retailer 5
-
$2,530 CAD
$1,811 USD
View
B+
Retailer 6
-
$2,839 CAD
£1,600 GBP
View
Most Expensive
B
Brilliance
D33538590 · Nov 1
$3,123 CAD
$2,236 USD
View
6 more retailers have this diamond
Prices start from $1,213 CADSave up to $1,911 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
3.51ct Marquise
$1,213 CAD