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Heart|Lab Grown|IGI

1.48ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784645859

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784645859

Diamond specifications and retailer prices

From £268 GBP
As of November 4, 2026
Save £2,117 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,385 GBP at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.48ct lab-grown heart diamond

This 1.48ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645859 or 784645859. Listed at 14 retailers as of November 3, 2026, with prices from £268 to £2,385, a £2,117 spread on the same certified stone. Do Amore Diamonds lists it at £2,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645859
Dimensions7.65 × 7.08 × 4.67 mm
L/W Ratio1.08
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
7.65 mm7.08 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645859
Side View
Table 59.0%Crown 33.7°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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: Nov 4
Current: £2,385 GBP|Low: £268 GBP|High: £3,511 GBP|Avg: £1,066 GBP|-32.1%
Do Amore Diamonds
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
November 4, 2026
Retailer 9£268 GBP
Retailer 14£311 GBP
Retailer 6£443 GBP
Retailer 11£453 GBP
Retailer 3£493 GBP
Retailer 10£533 GBP
Retailer 2£617 GBP
Retailer 5£673 GBP
Retailer 4£841 GBP
Retailer 12£976 GBP
Retailer 13£1,181 GBP
Retailer 7£1,436 GBP
Retailer 8£2,274 GBP
Do Amore Diamonds£2,385 GBP

31 data points across 14 retailers

14 retailers£268 GBP to £2,385 GBP

A
Cheapest Retailer
-
£268 GBP
A
Retailer 2
-
£311 GBP
View
A
Retailer 3
-
£443 GBP
View
Final sale: no returns
A
Retailer 4
-
£453 GBP
View
A
Retailer 5
-
£493 GBP
View
A
Retailer 6
-
£533 GBP
View
A
Retailer 7
-
£617 GBP
View
A
Retailer 8
-
£673 GBP
View
B+
Retailer 9
-
£841 GBP
View
B+
Retailer 10
-
£976 GBP
View
B+
Retailer 11
-
£1,181 GBP
View
B+
Retailer 12
-
£1,436 GBP
View
B
Retailer 13
-
£2,274 GBP
View
Most Expensive
B
Do Amore Diamonds
27-83179A4A4 · Nov 3
£2,385 GBP
$3,220 USD
View
13 more retailers have this diamond
Prices start from £268 GBPSave up to £2,117 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
1.48ct Heart
£268 GBP