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Heart|Lab Grown|IGI

5.06ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG621481106

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621481106

Diamond specifications and retailer prices

From £4,401 GBP
$5,861 USD
As of October 26, 2026
Save £12,670 GBP (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £17,071 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.06ct lab-grown heart diamond

This 5.06ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621481106 or 621481106. Listed at 20 retailers as of October 26, 2026, with prices from £4,401 to £17,071, a £12,670 spread on the same certified stone. Taylor and Hart lists it at £17,071. 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

5.06
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621481106
Dimensions12.04 × 12.04 × 11.00 mm
L/W Ratio1.00
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
12.04 mm12.04 mm5.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621481106
Side View
Table 65.0%Crown 37.1°Girdle: MediumPavilion 39.4°Culet: NoneDepth 57.1%

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 26
Current: £9,812 GBP|Low: £2,244 GBP|High: £17,071 GBP|Avg: £6,579 GBP|+51.2%
Retailer 1
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
Taylor and Hart
October 29, 2026
Retailer 7£3,209 GBP
Retailer 5£4,401 GBP
Retailer 4£4,500 GBP
Retailer 11£4,663 GBP
Retailer 2£4,832 GBP
Retailer 8£6,200 GBP
Retailer 13£6,826 GBP
Retailer 3£7,472 GBP
Retailer 9£7,984 GBP
Retailer 14£9,117 GBP
Retailer 1£9,812 GBP
Retailer 10£9,880 GBP
Retailer 15£13,083 GBP
Retailer 12£13,433 GBP
Retailer 6£13,900 GBP
Taylor and Hart£17,071 GBP

37 data points across 16 retailers

20 retailers£4,401 GBP to £17,071 GBP

Retailer 1
-
£2,805 GBP
$3,736 USD
Price last confirmed 21 days ago
Retailer 2
-
£3,053 GBP
$4,065 USD
View
Price last confirmed 31 days ago
Retailer 3
-
£3,255 GBP
$4,334 USD
View
Price last confirmed 26 days ago
Retailer 4
-
£4,067 GBP
$5,416 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£4,401 GBP
$5,861 USD
View
A
Retailer 6
-
£4,500 GBP
$5,992 USD
View
A
Retailer 7
-
£4,663 GBP
$6,209 USD
View
Final sale: no returns
A
Retailer 8
-
£4,832 GBP
$6,435 USD
View
A
Retailer 9
-
£6,200 GBP
View
A
Retailer 10
-
£6,826 GBP
$9,090 USD
View
A
Retailer 11
-
£7,472 GBP
$9,950 USD
View
A
Retailer 12
-
£7,984 GBP
€10,126 EUR
View
A
Retailer 13
-
£8,647 GBP
$11,515 USD
View
A
Retailer 14
-
£9,117 GBP
$12,141 USD
View
A
Retailer 15
-
£9,812 GBP
ZAR 211,086 ZAR
View
A
Retailer 16
-
£9,880 GBP
View
B+
Retailer 17
-
£13,083 GBP
$17,422 USD
View
B+
Retailer 18
-
£13,433 GBP
$17,888 USD
View
B+
Retailer 19
-
£13,900 GBP
$18,510 USD
View
Most Expensive
B+
Taylor and Hart
O0ZG7HK · Oct 30
£17,071 GBP
$22,733 USD
View
19 more retailers have this diamond
Prices start from £4,401 GBPSave up to £12,670 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
5.06ct Heart
£4,401 GBP