CaratHunter
Plans
Heart|Lab Grown|IGI

1.53ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG825633138

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825633138

Diamond specifications and retailer prices

From £783 GBP
As of November 2, 2026
Save £2,876 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,659 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct 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 LG825633138 or 825633138. Listed at 19 retailers as of November 2, 2026, with prices from £783 to £3,659, a £2,876 spread on the same certified stone. Brilliant Earth lists it at £3,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633138
Dimensions8.05 × 7.44 × 4.60 mm
L/W Ratio1.08
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
8.05 mm7.44 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633138
Side View
Table 61.0%Crown 33.8°Girdle: THN-STKPavilion 39.5°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: Nov 2
Current: £1,024 GBP|Low: £783 GBP|High: £3,171 GBP|Avg: £1,762 GBP|-0.5%
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
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 4£783 GBP
Retailer 14£852 GBP
Retailer 5£876 GBP
Retailer 16£908 GBP
Retailer 9£956 GBP
Retailer 1£1,024 GBP
Retailer 18£1,037 GBP
Retailer 8£1,112 GBP
Retailer 7£1,298 GBP
Retailer 11£1,301 GBP
Retailer 13£1,593 GBP
Retailer 12£1,670 GBP
Retailer 17£1,702 GBP
Retailer 2£1,898 GBP
Retailer 3£2,816 GBP
Retailer 6£2,910 GBP
Retailer 15£3,079 GBP
Retailer 10£3,171 GBP

40 data points across 18 retailers

19 retailers£783 GBP to £3,659 GBP

A
Cheapest Retailer
-
£783 GBP
A
Retailer 2
-
£852 GBP
View
B+
Retailer 3
-
£876 GBP
View
Final sale: no returns
B+
Retailer 4
-
£908 GBP
View
B+
Retailer 5
-
£956 GBP
View
B+
Retailer 6
-
£1,024 GBP
View
B+
Retailer 7
-
£1,037 GBP
View
B+
Retailer 8
-
£1,112 GBP
View
B+
Retailer 9
-
£1,298 GBP
View
B+
Retailer 10
-
£1,301 GBP
View
B
Retailer 11
-
£1,593 GBP
View
B
Retailer 12
-
£1,670 GBP
View
B
Retailer 13
-
£1,702 GBP
View
B
Retailer 14
-
£1,898 GBP
View
B
Retailer 15
-
£2,816 GBP
View
B
Retailer 16
-
£2,910 GBP
View
B
Retailer 17
-
£3,079 GBP
View
B
Retailer 18
-
£3,171 GBP
View
Most Expensive
B
Brilliant Earth
22411579A · Nov 4
£3,659 GBP
$4,940 USD
View
18 more retailers have this diamond
Prices start from £783 GBPSave up to £2,876 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
1.53ct Heart
£783 GBP