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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG843619809

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843619809

Diamond specifications and retailer prices

From $634 CAD
$454 USD
As of October 30, 2026
Save $3,200 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,834 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.8ct lab-grown marquise diamond

This 3.8ct 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 LG843619809 or 843619809. Listed at 13 retailers as of October 28, 2026, with prices from $634 to $3,834, a $3,200 spread on the same certified stone. Rare Carat lists it at $3,834. 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

3.80
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843619809
Dimensions16.30 × 8.27 × 5.04 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.30 mm8.27 mm3.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843619809
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

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 30
Current: $3,834 CAD|Low: $634 CAD|High: $3,834 CAD|Avg: $2,021 CAD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13$634 CAD
Retailer 7$710 CAD
Retailer 11$880 CAD
Retailer 6$1,195 CAD
Retailer 5$1,349 CAD
Retailer 2$1,661 CAD
Retailer 9$2,114 CAD
Retailer 8$2,116 CAD
Retailer 4$2,527 CAD
Retailer 3$2,748 CAD
Retailer 10$2,904 CAD
Retailer 12$3,545 CAD
Rare Carat$3,834 CAD

9 data points across 13 retailers

13 retailers$634 CAD to $3,834 CAD

A
Cheapest Retailer
-
$634 CAD
$454 USD
A
Retailer 2
-
$710 CAD
$508 USD
View
Retailer 3
-
$880 CAD
£496 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,195 CAD
€815 EUR
View
A
Retailer 5
-
$1,349 CAD
$966 USD
View
A
Retailer 6
-
$1,661 CAD
A$1,829 AUD
View
A
Retailer 7
-
$2,114 CAD
$1,513 USD
View
B+
Retailer 8
-
$2,116 CAD
$1,515 USD
View
B+
Retailer 9
-
$2,527 CAD
$1,809 USD
View
B+
Retailer 10
-
$2,748 CAD
$1,967 USD
View
B+
Retailer 11
-
$2,904 CAD
£1,637 GBP
View
B+
Retailer 12
-
$3,545 CAD
$2,538 USD
View
Most Expensive
B
Rare Carat
LGMQ30-167873 · Oct 28
$3,834 CAD
$2,745 USD
View
12 more retailers have this diamond
Prices start from $634 CADSave up to $3,200 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
3.80ct Marquise
$634 CAD