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Marquise|Lab Grown|IGI

1.63ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG787654496

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787654496

Diamond specifications and retailer prices

From $1,290 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,290 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 1.63ct lab-grown marquise diamond

This 1.63ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787654496 or 787654496. Listed at a single retailer as of October 31, 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

1.63
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787654496
Dimensions11.53 × 6.13 × 3.95 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.53 mm6.13 mm1.63 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787654496
Side View
Table 62.0%Crown 36.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.4%

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: $432 USD|Low: $148 USD|High: $1,173 USD|Avg: $561 USD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
June 15, 2026
Retailer 5$374 USD
Retailer 1$432 USD
Retailer 4$520 USD
Retailer 2$551 USD
Retailer 3$1,091 USD

33 data points across 5 retailers

1 retailer

B
Brilliant Earth
19926697A · Oct 31
$1,290 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
1.63ct Marquise
$1,290 USD