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Marquise|Lab Grown|IGI

1.31ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG833682281

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833682281

Diamond specifications and retailer prices

From $221 USD
As of October 27, 2026
Save $996 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,120 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 top-tier cut grade and certified by IGI LG833682281 or 833682281. Listed at 12 retailers as of October 27, 2026, with a 451% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833682281
Dimensions11.80 × 5.63 × 3.46 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.80 mm5.63 mm1.31 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833682281
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.5%

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 27
Current: $2,120 USD|Low: $212 USD|High: $2,120 USD|Avg: $870 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7$221 USD
Retailer 4$379 USD
Retailer 8$468 USD
Retailer 3$736 USD
Retailer 6$883 USD
Retailer 9$915 USD
Retailer 5$920 USD
Retailer 2$1,217 USD
Do Amore Diamonds$2,120 USD

28 data points across 9 retailers

12 retailers$221 USD to $1,217 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$256 USD
View
A
Retailer 3
-
$379 USD
£298 GBP
View
A
Retailer 4
-
$468 USD
View
B+
Retailer 5
-
$560 USD
View
B+
Retailer 6
-
$736 USD
A$1,133 AUD
View
B
Retailer 7
-
$883 USD
View
B+
Retailer 8
-
$915 USD
View
B+
Retailer 9
-
$920 USD
View
B
Retailer 10
-
$971 USD
View
B
Retailer 11
-
$1,217 USD
£958 GBP
View
Most Expensive
Do Amore Diamonds
27-C57D08AC7 · Oct 28
$2,120 USD
View
Price under review
11 more retailers have this diamond
Prices start from $221 USDSave up to $996 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
$221 USD