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Marquise|Lab Grown|IGI

1.07ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG781627818

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG781627818

Diamond specifications and retailer prices

From €609 EUR
$680 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: €609 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 1.07ct lab-grown marquise diamond

This 1.07ct 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 LG781627818 or 781627818. Listed at a single retailer as of November 6, 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

1.07
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781627818
Dimensions10.79 × 5.21 × 3.34 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm5.21 mm1.07 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781627818
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°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 6
Current: €609 EUR|Low: €167 EUR|High: €628 EUR|Avg: €346 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
April 14, 2026
Retailer 2€200 EUR
Retailer 5€290 EUR
Retailer 4€330 EUR
Retailer 6€434 EUR
Brilliant Earth€609 EUR
Retailer 3€622 EUR

11 data points across 6 retailers

1 retailer

B
Brilliant Earth
18142338A · Nov 6
€609 EUR
$680 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
1.07ct Marquise
€609 EUR