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Round|Lab Grown|IGI

3.63ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG778696339

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778696339

Diamond specifications and retailer prices

From £4,601 GBP
$6,165 USD
As of October 28, 2026
Save £4,788 GBP (51%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £9,389 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.63ct lab-grown round diamond

This 3.63ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778696339 or 778696339. Listed at 2 retailers as of October 28, 2026, with prices from £4,601 to £9,389, a £4,788 spread on the same certified stone. Brilliant Earth lists it at £9,389. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.63
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778696339
Dimensions9.75 × 9.80 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.75 mm9.80 mm3.63 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778696339
Side View
Table 59.0%Crown 35.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: £9,389 GBP|Low: £2,694 GBP|High: £13,544 GBP|Avg: £6,452 GBP|-19.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
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Retailer 13
October 30, 2026
Retailer 10£2,694 GBP
Retailer 9£2,794 GBP
Retailer 7£3,132 GBP
Retailer 6£3,135 GBP
Retailer 12£3,476 GBP
Retailer 13£4,164 GBP
Retailer 2£4,601 GBP
Retailer 11£4,739 GBP
Retailer 4£8,121 GBP
Brilliant Earth£9,389 GBP
Retailer 3£10,676 GBP
Retailer 8£11,852 GBP
Retailer 5£13,544 GBP

4 data points across 13 retailers

2 retailers£4,601 GBP to £9,389 GBP

B+
Cheapest Retailer
-
£4,601 GBP
$6,165 USD
Most Expensive
B
Brilliant Earth
21399588Y · Oct 30
£9,389 GBP
$12,580 USD
View
1 more retailer has this diamond
Prices start from £4,601 GBPSave up to £4,788 GBP

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+
3.63ct Round
£4,601 GBP