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Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG729528992

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG729528992

Diamond specifications and retailer prices

From £205 GBP
$273 USD
As of October 27, 2026
Save £1,081 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,287 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729528992 or 729528992. Listed at 19 retailers as of October 27, 2026, with prices from £205 to £1,287, a £1,081 spread on the same certified stone. Brilliant Earth lists it at £1,287. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729528992
Dimensions7.04 × 7.04 × 6.20 mm
L/W Ratio1.00
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
7.04 mm7.04 mm1.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729528992
Side View
Table 60.0%Crown 36.7°Girdle: THN-MEDPavilion 39.1°Culet: NoneDepth 58.5%

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: Oct 27
Current: £1,287 GBP|Low: £176 GBP|High: £1,287 GBP|Avg: £543 GBP
Brilliant Earth
Retailer 2
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Retailer 19
October 29, 2026
Retailer 19£205 GBP
Retailer 6£230 GBP
Retailer 18£238 GBP
Retailer 7£254 GBP
Retailer 11£254 GBP
Retailer 12£264 GBP
Retailer 16£373 GBP
Retailer 5£421 GBP
Retailer 14£437 GBP
Retailer 15£446 GBP
Retailer 9£454 GBP
Retailer 8£494 GBP
Retailer 13£619 GBP
Retailer 17£782 GBP
Retailer 4£818 GBP
Retailer 10£856 GBP
Retailer 2£1,026 GBP
Retailer 3£1,103 GBP
Brilliant Earth£1,287 GBP

34 data points across 19 retailers

19 retailers£205 GBP to £1,287 GBP

A
Cheapest Retailer
-
£205 GBP
$273 USD
A
Retailer 2
-
£230 GBP
$305 USD
View
Final sale: no returns
A
Retailer 3
-
£238 GBP
$316 USD
View
A
Retailer 4
-
£254 GBP
$338 USD
View
A
Retailer 5
-
£254 GBP
$338 USD
View
A
Retailer 6
-
£264 GBP
View
A
Retailer 7
-
£373 GBP
$495 USD
View
B+
Retailer 8
-
£421 GBP
$559 USD
View
B+
Retailer 9
-
£437 GBP
ZAR 9,385 ZAR
View
B+
Retailer 10
-
£446 GBP
View
B+
Retailer 11
-
£454 GBP
$603 USD
View
B+
Retailer 12
-
£494 GBP
$656 USD
View
B+
Retailer 13
-
£619 GBP
A$1,266 AUD
View
B
Retailer 14
-
£782 GBP
$1,039 USD
View
B
Retailer 15
-
£818 GBP
$1,087 USD
View
B
Retailer 16
-
£856 GBP
$1,138 USD
View
B
Retailer 17
-
£1,026 GBP
View
B
Retailer 18
-
£1,103 GBP
A$2,255 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
16934752A · Oct 28
£1,287 GBP
$1,710 USD
View
18 more retailers have this diamond
Prices start from £205 GBPSave up to £1,081 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
1.04ct Heart
£205 GBP