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Heart|Lab Grown|IGI

1.49ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG801694233

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG801694233

Diamond specifications and retailer prices

From £841 GBP
As of November 4, 2026
8 retailers carry this diamond
Most expensive: £3,259 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.49ct lab-grown heart diamond

This 1.49ct 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 LG801694233 or 801694233. Listed at 8 retailers as of November 4, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.49
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694233
Dimensions7.95 × 6.87 × 4.71 mm
L/W Ratio1.16
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
7.95 mm6.87 mm1.49 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694233
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £3,259 GBP|Low: £284 GBP|High: £3,533 GBP|Avg: £1,158 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 21, 2026
Retailer 10£284 GBP
Retailer 5£319 GBP
Retailer 7£402 GBP
Retailer 12£466 GBP
Retailer 2£496 GBP
Retailer 3£561 GBP
Retailer 8£681 GBP
Retailer 6£841 GBP
Retailer 13£988 GBP
Retailer 11£1,250 GBP
Retailer 9£1,436 GBP
Retailer 4£2,526 GBP
Brilliant Earth£3,259 GBP

21 data points across 13 retailers

8 retailers

Retailer 1
-
£284 GBP
Price last confirmed 17 days ago
Retailer 2
-
£319 GBP
View
Price last confirmed 15 days ago
Retailer 3
-
£466 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
£561 GBP
View
Price last confirmed 15 days ago
B+
Retailer 5
-
£841 GBP
View
Retailer 6
-
£1,250 GBP
View
Price last confirmed 16 days ago
Retailer 7
-
£1,436 GBP
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
20786125Y · Oct 21
£3,259 GBP
$4,400 USD
View
Price last confirmed 14 days ago
7 more retailers have this diamond
Prices start from £841 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.

B+
1.49ct Heart
£841 GBP