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Radiant|Lab Grown|IGI

3.51ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG784645765

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG784645765

Diamond specifications and retailer prices

From £1,548 GBP
$2,057 USD
As of October 27, 2026
Save £9,101 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £10,649 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown radiant diamond

This 3.51ct lab-grown radiant 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 LG784645765 or 784645765. Listed at 14 retailers as of October 27, 2026, with prices from £1,548 to £10,649, a £9,101 spread on the same certified stone. Do Amore Diamonds lists it at £10,649. 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

3.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645765
Dimensions10.50 × 7.46 × 5.08 mm
L/W Ratio1.41
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
10.50 mm7.46 mm3.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645765
Side View
Table 65.0%Crown 45.8°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 68.1%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £10,649 GBP|Low: £1,548 GBP|High: £12,372 GBP|Avg: £4,171 GBP|-13.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 9£1,548 GBP
Retailer 3£1,684 GBP
Retailer 11£1,837 GBP
Retailer 8£1,923 GBP
Retailer 6£2,118 GBP
Retailer 14£2,623 GBP
Retailer 13£2,725 GBP
Retailer 10£2,809 GBP
Retailer 12£2,881 GBP
Retailer 4£3,349 GBP
Retailer 7£4,843 GBP
Retailer 2£5,408 GBP
Retailer 5£9,588 GBP
Do Amore Diamonds£10,649 GBP

33 data points across 14 retailers

14 retailers£1,548 GBP to £10,649 GBP

A+
Cheapest Retailer
-
£1,548 GBP
$2,057 USD
A
Retailer 2
-
£1,684 GBP
$2,238 USD
View
A
Retailer 3
-
£1,837 GBP
$2,441 USD
View
A
Retailer 4
-
£1,923 GBP
$2,555 USD
View
A
Retailer 5
-
£2,118 GBP
$2,814 USD
View
Final sale: no returns
A
Retailer 6
-
£2,623 GBP
$3,485 USD
View
A
Retailer 7
-
£2,725 GBP
$3,621 USD
View
A
Retailer 8
-
£2,809 GBP
$3,733 USD
View
A
Retailer 9
-
£2,881 GBP
$3,828 USD
View
B+
Retailer 10
-
£3,349 GBP
€4,238 EUR
View
B+
Retailer 11
-
£4,843 GBP
$6,435 USD
View
B+
Retailer 12
-
£5,408 GBP
View
B
Retailer 13
-
£9,588 GBP
$12,740 USD
View
Most Expensive
B
Do Amore Diamonds
27-CA01E9BDD · Oct 28
£10,649 GBP
$14,150 USD
View
13 more retailers have this diamond
Prices start from £1,548 GBPSave up to £9,101 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.

A+
3.51ct Radiant
£1,548 GBP