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Marquise|Lab Grown|IGI

1.31ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG836686009

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836686009

Diamond specifications and retailer prices

From $294 CAD
$210 USD
As of October 28, 2026
Save $2,239 CAD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,533 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG836686009 or 836686009. Listed at 14 retailers as of October 28, 2026, with prices from $294 to $2,533, a $2,239 spread on the same certified stone. Do Amore Diamonds lists it at $2,533. 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

1.31
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836686009
Dimensions12.57 × 5.60 × 3.35 mm
L/W Ratio2.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.57 mm5.60 mm1.31 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836686009
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.8%

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: Oct 28
Current: $2,533 CAD|Low: $290 CAD|High: $2,533 CAD|Avg: $994 CAD|+1.7%
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
Retailer 13
October 30, 2026
Retailer 3$294 CAD
Retailer 13$439 CAD
Retailer 6$454 CAD
Retailer 5$540 CAD
Retailer 7$621 CAD
Retailer 2$667 CAD
Retailer 8$883 CAD
Retailer 9$1,057 CAD
Retailer 10$1,113 CAD
Retailer 4$1,403 CAD
Retailer 11$1,456 CAD
Retailer 12$1,621 CAD
Do Amore Diamonds$2,533 CAD

28 data points across 13 retailers

14 retailers$294 CAD to $2,533 CAD

A
Cheapest Retailer
-
$294 CAD
$210 USD
Final sale: no returns
Retailer 2
-
$353 CAD
$252 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$439 CAD
$314 USD
View
A
Retailer 4
-
$454 CAD
£255 GBP
View
A
Retailer 5
-
$540 CAD
$386 USD
View
A
Retailer 6
-
$621 CAD
ZAR 7,167 ZAR
View
A
Retailer 7
-
$667 CAD
£375 GBP
View
B+
Retailer 8
-
$883 CAD
A$971 AUD
View
B
Retailer 9
-
$1,057 CAD
$755 USD
View
B
Retailer 10
-
$1,113 CAD
$795 USD
View
B
Retailer 11
-
$1,403 CAD
$1,003 USD
View
B
Retailer 12
-
$1,456 CAD
£819 GBP
View
B
Retailer 13
-
$1,621 CAD
$1,158 USD
View
Most Expensive
B
Do Amore Diamonds
27-8D5D22D14 · Oct 28
$2,533 CAD
$1,810 USD
View
13 more retailers have this diamond
Prices start from $294 CADSave up to $2,239 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
1.31ct Marquise
$294 CAD