Emerald|Lab Grown|IGI

0.99ct F VVS1 Emerald Lab Grown Diamond

EX • F/VVS1 • IGI LG644488836

Shape and cutting style on the report: Emerald cut

Certificate IGI LG644488836

Diamond specifications and retailer prices

From £646 GBP
$870 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: £646 GBP 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 0.99ct lab-grown emerald diamond

This 0.99ct lab-grown emerald sits in the just-under-one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG644488836 or 644488836. 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

0.99
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644488836
Dimensions6.95 × 4.85 × 3.30 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.95 mm4.85 mm0.99 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644488836
Side View
Table 65.0%Crown 38.6°Girdle: MediumPavilion 44°Culet: LNGDepth 68.0%

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: £646 GBP|Low: £70 GBP|High: £2,251 GBP|Avg: £597 GBP|-9.4%
Brilliant Earth
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August 3, 2026
Retailer 12£212 GBP
Retailer 10£313 GBP
Retailer 16£331 GBP
Retailer 9£345 GBP
Retailer 15£432 GBP
Retailer 14£469 GBP
Retailer 13£477 GBP
Retailer 6£478 GBP
Retailer 3£512 GBP
Retailer 2£550 GBP
Brilliant Earth£646 GBP
Retailer 5£719 GBP
Retailer 7£832 GBP
Retailer 8£832 GBP
Retailer 4£909 GBP
Retailer 11£1,204 GBP

58 data points across 16 retailers

1 retailer

B
Brilliant Earth
11129002Y · Nov 4
£646 GBP
$870 USD
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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
0.99ct Emerald
£646 GBP