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Marquise|Lab Grown|IGI

1.05ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG791644463

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791644463

Diamond specifications and retailer prices

From €571 EUR
$640 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €571 EUR 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 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG791644463 or 791644463. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle30.5°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791644463
Dimensions10.55 × 5.35 × 3.32 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm5.35 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG791644463
Side View
Table 62.0%Crown 30.5°Girdle: MED-STKPavilion 42°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €571 EUR|Low: €259 EUR|High: €577 EUR|Avg: €442 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
May 18, 2026
Retailer 7€259 EUR
Retailer 5€286 EUR
Retailer 6€415 EUR
Retailer 3€445 EUR
Retailer 2€461 EUR
Retailer 4€477 EUR
Retailer 8€502 EUR
Brilliant Earth€571 EUR

13 data points across 8 retailers

1 retailer

B
Brilliant Earth
18912544A · Oct 30
€571 EUR
$640 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
1.05ct Marquise
€571 EUR