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Heart|Lab Grown|IGI

5.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG694558234

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694558234

Diamond specifications and retailer prices

From £2,881 GBP
$3,837 USD
As of October 27, 2026
Save £12,227 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £15,109 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.5ct lab-grown heart diamond

This 5.5ct 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 LG694558234 or 694558234. Listed at 20 retailers as of October 27, 2026, with prices from £2,881 to £15,109, a £12,227 spread on the same certified stone. Brilliant Earth lists it at £15,109. 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

5.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694558234
Dimensions11.35 × 12.35 × 6.81 mm
L/W Ratio1.09
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
11.35 mm12.35 mm5.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694558234
Side View
Table 66.0%Crown 39.1°Girdle: STK-THKPavilion 36.4°Culet: NoneDepth 55.1%

Caratlytics Score

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A
Excellent
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: £7,197 GBP|Low: £2,881 GBP|High: £12,340 GBP|Avg: £6,014 GBP|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 17£2,881 GBP
Retailer 3£3,227 GBP
Retailer 6£3,376 GBP
Retailer 15£3,387 GBP
Retailer 10£3,460 GBP
Retailer 8£4,130 GBP
Retailer 11£4,177 GBP
Retailer 13£4,359 GBP
Retailer 5£4,840 GBP
Retailer 2£5,355 GBP
Retailer 7£6,832 GBP
Retailer 9£7,095 GBP
Retailer 1£7,197 GBP
Retailer 16£8,430 GBP
Retailer 12£9,281 GBP
Retailer 4£11,829 GBP
Retailer 14£11,886 GBP

21 data points across 17 retailers

20 retailers£2,881 GBP to £15,109 GBP

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Cheapest Retailer
-
£2,881 GBP
$3,837 USD
A
Retailer 2
-
£3,227 GBP
$4,297 USD
View
Final sale: no returns
A
Retailer 3
-
£3,376 GBP
$4,496 USD
View
A
Retailer 4
-
£3,387 GBP
$4,510 USD
View
A
Retailer 5
-
£3,460 GBP
View
A
Retailer 6
-
£4,130 GBP
$5,500 USD
View
A
Retailer 7
-
£4,177 GBP
$5,562 USD
View
A
Retailer 8
-
£4,268 GBP
HK$44,400 HKD
View
Price last confirmed 42 days ago
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Retailer 9
-
£4,359 GBP
View
A
Retailer 10
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£4,840 GBP
$6,445 USD
View
A
Retailer 11
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£4,943 GBP
$6,583 USD
View
Price last confirmed 16 days ago
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Retailer 12
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£5,355 GBP
€6,791 EUR
View
A
Retailer 13
-
£6,832 GBP
ZAR 146,977 ZAR
View
A
Retailer 14
-
£7,095 GBP
A$14,535 AUD
View
A
Retailer 15
-
£7,197 GBP
View
A
Retailer 16
-
£8,430 GBP
$11,226 USD
View
A
Retailer 17
-
£9,281 GBP
$12,359 USD
View
A
Retailer 18
-
£11,829 GBP
$15,753 USD
View
A
Retailer 19
-
£11,886 GBP
$15,828 USD
View
Most Expensive
B+
Brilliant Earth
14092735A · Oct 28
£15,109 GBP
$20,120 USD
View
19 more retailers have this diamond
Prices start from £2,881 GBPSave up to £12,227 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
5.50ct Heart
£2,881 GBP