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Marquise|Lab Grown|IGI

5.12ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG688518679

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG688518679

Diamond specifications and retailer prices

From $1,817 CAD
$1,301 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $1,817 CAD 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 5.12ct lab-grown marquise diamond

This 5.12ct lab-grown marquise sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG688518679 or 688518679. Listed at a single retailer as of October 30, 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

5.12
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688518679
Dimensions18.27 × 8.90 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.27 mm8.90 mm5.12 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688518679
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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

Last verified: Oct 30
Current: $1,817 CAD|Low: $1,752 CAD|High: $10,784 CAD|Avg: $6,948 CAD|-36.3%
B2C Jewels
Retailer 2
September 23, 2026
B2C Jewels$1,817 CAD
Retailer 2$10,784 CAD

5 data points across 2 retailers

1 retailer

B+
B2C Jewels
28183839 · Oct 30
$1,817 CAD
$1,301 USD
View

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B+
5.12ct Marquise
$1,817 CAD