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Marquise|Lab Grown|IGI

1.43ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG807648137

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807648137

Diamond specifications and retailer prices

From $1,070 USD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: $1,070 USD at Brilliant Earth
View at Brilliant Earth

About this 1.43ct lab-grown marquise diamond

This 1.43ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807648137 or 807648137. Listed at 2 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807648137
Dimensions11.56 × 5.93 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
11.56 mm5.93 mm1.43 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807648137
Side View
Table 60.0%Crown 33.5°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,070 USD|Low: $332 USD|High: $1,620 USD|Avg: $774 USD|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
June 26, 2026
Retailer 3$409 USD
Retailer 2$617 USD
Retailer 5$829 USD
Retailer 4$976 USD
Brilliant Earth$1,070 USD

6 data points across 5 retailers

2 retailers

Retailer 1
-
$829 USD
Price last confirmed 144 days ago
Most Expensive
B
Brilliant Earth
20265369Y · Nov 6
$1,070 USD
View
1 more retailer has 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
1.43ct Marquise
$1,070 USD