Marquise|Lab Grown|IGI

1.40ct J VS1 Marquise Lab Grown Diamond

ID • J/VS1 • IGI LG822631061

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG822631061

Diamond specifications and retailer prices

From €985 EUR
$1,100 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: €985 EUR at Brilliant Earth
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG822631061 or 822631061. Listed at 3 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822631061
Dimensions11.37 × 5.83 × 3.69 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.37 mm5.83 mm1.40 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG822631061
Side View
Table 61.0%Crown 38.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €985 EUR|Low: €275 EUR|High: €985 EUR|Avg: €549 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
August 30, 2026
Retailer 9€275 EUR
Retailer 2€327 EUR
Retailer 6€381 EUR
Retailer 3€401 EUR
Retailer 7€414 EUR
Retailer 4€615 EUR
Retailer 10€786 EUR
Retailer 5€790 EUR
Retailer 8€826 EUR
Brilliant Earth€985 EUR

8 data points across 10 retailers

3 retailers

Retailer 1
-
€275 EUR
HK$2,400 HKD
Price last confirmed 58 days ago
Retailer 2
-
€790 EUR
$883 USD
View
Price last confirmed 77 days ago
Most Expensive
B
Brilliant Earth
21006238A · Oct 31
€985 EUR
$1,100 USD
View
2 more retailers have this diamond

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.

B
1.40ct Marquise
€985 EUR