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Heart|Lab Grown|IGI

1.52ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846664603

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846664603

Diamond specifications and retailer prices

From £505 GBP
As of November 1, 2026
Save £2,665 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,170 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.52ct lab-grown heart diamond

This 1.52ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846664603 or 846664603. Listed at 10 retailers as of November 1, 2026, with prices from £505 to £3,170, a £2,665 spread on the same certified stone. With Clarity lists it at £3,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664603
Dimensions7.51 × 7.88 × 4.66 mm
L/W Ratio1.05
Girdle conditionFaceted
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
7.51 mm7.88 mm1.52 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664603
Side View
Table 56.0%Crown 31.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.1%

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: Nov 1
Current: £670 GBP|Low: £505 GBP|High: £3,170 GBP|Avg: £1,564 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 3, 2026
Retailer 5£505 GBP
Retailer 3£608 GBP
Retailer 1£670 GBP
Retailer 4£876 GBP
Retailer 7£880 GBP
Retailer 2£1,376 GBP
Retailer 8£1,514 GBP
Retailer 9£2,119 GBP
Retailer 6£2,852 GBP
With Clarity£3,170 GBP

4 data points across 10 retailers

10 retailers£505 GBP to £3,170 GBP

A
Cheapest Retailer
-
£505 GBP
A
Retailer 2
-
£608 GBP
View
A
Retailer 3
-
£670 GBP
View
B+
Retailer 4
-
£876 GBP
View
B+
Retailer 5
-
£880 GBP
View
B+
Retailer 6
-
£1,376 GBP
View
B+
Retailer 7
-
£1,514 GBP
View
B
Retailer 8
-
£2,119 GBP
View
B
Retailer 9
-
£2,852 GBP
View
Most Expensive
B
With Clarity
846664603 · Nov 2
£3,170 GBP
$4,280 USD
View
9 more retailers have this diamond
Prices start from £505 GBPSave up to £2,665 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
1.52ct Heart
£505 GBP