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 $210 USD
As of October 28, 2026
Save $1,600 USD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,810 USD 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 $210 to $1,810, a $1,600 spread on the same certified stone. Do Amore Diamonds lists it at $1,810. 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: $1,810 USD|Low: $207 USD|High: $1,810 USD|Avg: $710 USD|+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 29, 2026
Retailer 3$210 USD
Retailer 13$314 USD
Retailer 6$325 USD
Retailer 5$386 USD
Retailer 7$444 USD
Retailer 2$475 USD
Retailer 8$631 USD
Retailer 9$755 USD
Retailer 10$795 USD
Retailer 4$1,003 USD
Retailer 11$1,040 USD
Retailer 12$1,158 USD
Do Amore Diamonds$1,810 USD

27 data points across 13 retailers

14 retailers$210 USD to $1,810 USD

A
Cheapest Retailer
-
$210 USD
Final sale: no returns
Retailer 2
-
$252 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$314 USD
View
A
Retailer 4
-
$325 USD
£256 GBP
View
A
Retailer 5
-
$386 USD
View
A
Retailer 6
-
$444 USD
ZAR 7,167 ZAR
View
A
Retailer 7
-
$475 USD
£374 GBP
View
B+
Retailer 8
-
$631 USD
A$971 AUD
View
B
Retailer 9
-
$755 USD
View
B
Retailer 10
-
$795 USD
View
B
Retailer 11
-
$1,003 USD
View
B
Retailer 12
-
$1,040 USD
£819 GBP
View
B
Retailer 13
-
$1,158 USD
View
Most Expensive
B
Do Amore Diamonds
27-8D5D22D14 · Oct 28
$1,810 USD
View
13 more retailers have this diamond
Prices start from $210 USDSave up to $1,600 USD

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
$210 USD