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Marquise|Lab Grown|IGI

1.07ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG779641986

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG779641986

Diamond specifications and retailer prices

From €500 EUR
$559 USD
As of October 27, 2026
1 retailer carries this diamond
Only listing: €500 EUR at Blue Nile
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 Blue Nile

About this 1.07ct lab-grown marquise diamond

This 1.07ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779641986 or 779641986. Listed at a single retailer as of October 27, 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779641986
Dimensions10.85 × 5.20 × 3.34 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
10.85 mm5.20 mm1.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779641986
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: €500 EUR|Low: €116 EUR|High: €656 EUR|Avg: €415 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 26, 2026
Retailer 7€292 EUR
Retailer 2€328 EUR
Retailer 3€381 EUR
Retailer 6€414 EUR
Retailer 5€442 EUR
Blue Nile€500 EUR
Retailer 4€529 EUR
Retailer 8€656 EUR

48 data points across 8 retailers

1 retailer

B
Blue Nile
28522758 · Oct 27
€500 EUR
$559 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
€500 EUR