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Marquise|Lab Grown|IGI

3.51ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG843641551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843641551

Diamond specifications and retailer prices

From $749 CAD
$536 USD
As of October 29, 2026
Save $3,959 CAD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,708 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG843641551 or 843641551. Listed at 14 retailers as of October 29, 2026, with prices from $749 to $4,708, a $3,959 spread on the same certified stone. Brilliant Earth lists it at $4,708. 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
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641551
Dimensions15.66 × 7.75 × 4.87 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm7.75 mm3.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843641551
Side View
Table 59.0%Crown 35.3°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,708 CAD|Low: $749 CAD|High: $7,865 CAD|Avg: $2,469 CAD|-40.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 3$749 CAD
Retailer 9$996 CAD
Retailer 8$1,027 CAD
Retailer 6$1,111 CAD
Retailer 11$1,239 CAD
Retailer 10$1,369 CAD
Retailer 7$1,840 CAD
Retailer 2$1,876 CAD
Retailer 4$2,707 CAD
Retailer 14$2,858 CAD
Retailer 13$2,910 CAD
Retailer 12$3,051 CAD
Retailer 5$3,779 CAD
Brilliant Earth$4,708 CAD

12 data points across 14 retailers

14 retailers$749 CAD to $4,708 CAD

A
Cheapest Retailer
-
$749 CAD
$536 USD
Final sale: no returns
A
Retailer 2
-
$996 CAD
£561 GBP
View
A
Retailer 3
-
$1,027 CAD
$735 USD
View
B+
Retailer 4
-
$1,111 CAD
$795 USD
View
A
Retailer 5
-
$1,239 CAD
€845 EUR
View
A
Retailer 6
-
$1,369 CAD
£772 GBP
View
A
Retailer 7
-
$1,840 CAD
$1,317 USD
View
A
Retailer 8
-
$1,876 CAD
$1,343 USD
View
B+
Retailer 9
-
$2,707 CAD
$1,938 USD
View
B+
Retailer 10
-
$2,858 CAD
$2,046 USD
View
Retailer 11
-
$2,910 CAD
$2,084 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$3,051 CAD
£1,720 GBP
View
Price last confirmed 7 days ago
B
Retailer 13
-
$3,779 CAD
$2,705 USD
View
Most Expensive
B
Brilliant Earth
22183942A · Oct 31
$4,708 CAD
$3,370 USD
View
13 more retailers have this diamond
Prices start from $749 CADSave up to $3,959 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
$749 CAD