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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564049

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564049

Diamond specifications and retailer prices

From £252 GBP
$337 USD
As of October 30, 2026
Save £1,958 GBP (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,209 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722564049 or 722564049. Listed at 8 retailers as of October 30, 2026, with prices from £252 to £2,209, a £1,958 spread on the same certified stone. Brilliant Earth lists it at £2,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564049
Dimensions8.02 × 6.93 × 4.75 mm
L/W Ratio1.16
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
8.02 mm6.93 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564049
Side View
Table 60.0%Crown 35.5°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.2%

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 30
Current: £2,209 GBP|Low: £252 GBP|High: £2,276 GBP|Avg: £960 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£252 GBP
Retailer 5£425 GBP
Retailer 2£495 GBP
Retailer 8£821 GBP
Retailer 7£894 GBP
Retailer 4£964 GBP
Retailer 3£1,125 GBP
Brilliant Earth£2,209 GBP

41 data points across 8 retailers

8 retailers£252 GBP to £2,209 GBP

A
Cheapest Retailer
-
£252 GBP
$337 USD
Final sale: no returns
A
Retailer 2
-
£425 GBP
$570 USD
View
A
Retailer 3
-
£495 GBP
View
A
Retailer 4
-
£821 GBP
$1,100 USD
View
A
Retailer 5
-
£894 GBP
SGD 1,619 SGD
View
B+
Retailer 6
-
£964 GBP
$1,292 USD
View
B+
Retailer 7
-
£1,125 GBP
View
Most Expensive
B
Brilliant Earth
15964493A · Oct 30
£2,209 GBP
$2,960 USD
View
7 more retailers have this diamond
Prices start from £252 GBPSave up to £1,958 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
1.55ct Heart
£252 GBP