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Radiant|Lab Grown|IGI

3.61ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG780666051

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

Certificate IGI LG780666051

Diamond specifications and retailer prices

From £1,588 GBP
$2,115 USD
As of October 27, 2026
Save £9,338 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £10,926 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.61ct lab-grown radiant diamond

This 3.61ct 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 LG780666051 or 780666051. Listed at 15 retailers as of October 27, 2026, with prices from £1,588 to £10,926, a £9,338 spread on the same certified stone. Do Amore Diamonds lists it at £10,926. 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

3.61
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666051
Dimensions10.79 × 7.51 × 5.01 mm
L/W Ratio1.44
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
10.79 mm7.51 mm3.61 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666051
Side View
Table 59.0%Crown 42.5°Girdle: ThickPavilion 33.9°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £10,926 GBP|Low: £1,588 GBP|High: £12,698 GBP|Avg: £4,465 GBP|-14.0%
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
Retailer 15
October 29, 2026
Retailer 9£1,588 GBP
Retailer 3£1,728 GBP
Retailer 11£1,882 GBP
Retailer 13£1,967 GBP
Retailer 7£2,173 GBP
Retailer 15£2,757 GBP
Retailer 14£2,796 GBP
Retailer 10£2,880 GBP
Retailer 12£2,955 GBP
Retailer 5£3,437 GBP
Retailer 8£4,877 GBP
Retailer 4£5,053 GBP
Retailer 2£5,548 GBP
Retailer 6£9,837 GBP
Do Amore Diamonds£10,926 GBP

34 data points across 15 retailers

15 retailers£1,588 GBP to £10,926 GBP

A
Cheapest Retailer
-
£1,588 GBP
$2,115 USD
A
Retailer 2
-
£1,728 GBP
$2,301 USD
View
A
Retailer 3
-
£1,882 GBP
$2,506 USD
View
A
Retailer 4
-
£1,967 GBP
$2,620 USD
View
A
Retailer 5
-
£2,173 GBP
$2,894 USD
View
Final sale: no returns
A
Retailer 6
-
£2,757 GBP
$3,671 USD
View
A
Retailer 7
-
£2,796 GBP
$3,723 USD
View
A
Retailer 8
-
£2,880 GBP
$3,835 USD
View
A
Retailer 9
-
£2,955 GBP
$3,935 USD
View
B+
Retailer 10
-
£3,437 GBP
€4,359 EUR
View
B+
Retailer 11
-
£4,877 GBP
$6,495 USD
View
B+
Retailer 12
-
£5,053 GBP
$6,729 USD
View
B+
Retailer 13
-
£5,548 GBP
View
B
Retailer 14
-
£9,837 GBP
$13,100 USD
View
Most Expensive
B
Do Amore Diamonds
27-D2EC58257 · Oct 28
£10,926 GBP
$14,550 USD
View
14 more retailers have this diamond
Prices start from £1,588 GBPSave up to £9,338 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
3.61ct Radiant
£1,588 GBP