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Marquise|Lab Grown|IGI

1.83ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG678516826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG678516826

Diamond specifications and retailer prices

From $353 CAD
$253 USD
As of November 2, 2026
Save $2,790 CAD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,143 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown marquise diamond

This 1.83ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG678516826 or 678516826. Listed at 12 retailers as of November 2, 2026, with prices from $353 to $3,143, a $2,790 spread on the same certified stone. Do Amore Diamonds lists it at $3,143. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.83
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678516826
Dimensions12.70 × 6.28 × 4.04 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.70 mm6.28 mm1.83 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678516826
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
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: Nov 2
Current: $3,143 CAD|Low: $353 CAD|High: $3,478 CAD|Avg: $1,569 CAD|-9.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$353 CAD
Retailer 2$566 CAD
Retailer 12$732 CAD
Retailer 6$733 CAD
Retailer 5$1,126 CAD
Retailer 8$1,347 CAD
Retailer 11$1,556 CAD
Retailer 7$1,943 CAD
Retailer 9$2,081 CAD
Retailer 3$2,108 CAD
Retailer 4$2,228 CAD
Do Amore Diamonds$3,143 CAD

24 data points across 12 retailers

12 retailers$353 CAD to $3,143 CAD

A
Cheapest Retailer
-
$353 CAD
$253 USD
Retailer 2
-
$353 CAD
$253 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$566 CAD
£319 GBP
View
B+
Retailer 4
-
$732 CAD
$524 USD
View
B+
Retailer 5
-
$733 CAD
$525 USD
View
A
Retailer 6
-
$1,126 CAD
A$1,240 AUD
View
B+
Retailer 7
-
$1,347 CAD
$964 USD
View
Retailer 8
-
$1,556 CAD
$1,114 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$1,943 CAD
£1,095 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
$2,081 CAD
$1,490 USD
View
B
Retailer 11
-
$2,108 CAD
$1,509 USD
View
Most Expensive
B
Do Amore Diamonds
27-A39C3646F · Nov 2
$3,143 CAD
$2,250 USD
View
11 more retailers have this diamond
Prices start from $353 CADSave up to $2,790 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
1.83ct Marquise
$353 CAD