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Marquise|Lab Grown|IGI

1.28ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG797602969

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797602969

Diamond specifications and retailer prices

From $870 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $870 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797602969 or 797602969. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797602969
Dimensions10.85 × 5.68 × 3.64 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.85 mm5.68 mm1.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797602969
Side View
Table 60.0%Crown 38°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $870 USD|Low: $148 USD|High: $1,320 USD|Avg: $608 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
May 24, 2026
Retailer 4$148 USD
Retailer 6$415 USD
Retailer 7$545 USD
Retailer 3$591 USD
Retailer 2$721 USD
Retailer 5$789 USD
Brilliant Earth$870 USD

14 data points across 7 retailers

1 retailer

B
Brilliant Earth
18932332A · Nov 4
$870 USD
View

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
1.28ct Marquise
$870 USD