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Heart|Lab Grown|IGI

1.04ct E FL Heart Lab Grown Diamond

EX • E/FL • IGI LG815697935

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG815697935

Diamond specifications and retailer prices

From £210 GBP
$279 USD
As of October 27, 2026
Save £1,435 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,645 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697935 or 815697935. Listed at 18 retailers as of October 27, 2026, with prices from £210 to £1,645, a £1,435 spread on the same certified stone. Brilliant Earth lists it at £1,645. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697935
Dimensions6.15 × 7.11 × 3.94 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
6.15 mm7.11 mm1.04 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697935
Side View
Table 59.0%Crown 39.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 55.4%

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: £1,645 GBP|Low: £210 GBP|High: £1,645 GBP|Avg: £613 GBP
Brilliant Earth
Retailer 2
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Retailer 18
October 29, 2026
Retailer 4£210 GBP
Retailer 13£239 GBP
Retailer 16£243 GBP
Retailer 3£260 GBP
Retailer 18£260 GBP
Retailer 12£379 GBP
Retailer 9£429 GBP
Retailer 7£442 GBP
Retailer 11£447 GBP
Retailer 2£457 GBP
Retailer 8£464 GBP
Retailer 15£664 GBP
Retailer 10£771 GBP
Retailer 6£836 GBP
Retailer 5£874 GBP
Retailer 17£1,038 GBP
Retailer 14£1,043 GBP
Brilliant Earth£1,645 GBP

42 data points across 18 retailers

18 retailers£210 GBP to £1,645 GBP

A
Cheapest Retailer
-
£210 GBP
$279 USD
A
Retailer 2
-
£239 GBP
$318 USD
View
Final sale: no returns
A
Retailer 3
-
£243 GBP
$324 USD
View
A
Retailer 4
-
£260 GBP
$346 USD
View
A
Retailer 5
-
£260 GBP
$346 USD
View
A
Retailer 6
-
£379 GBP
$505 USD
View
A
Retailer 7
-
£429 GBP
$571 USD
View
B+
Retailer 8
-
£442 GBP
$588 USD
View
B+
Retailer 9
-
£447 GBP
ZAR 9,610 ZAR
View
B+
Retailer 10
-
£457 GBP
View
B+
Retailer 11
-
£464 GBP
$618 USD
View
B+
Retailer 12
-
£664 GBP
$884 USD
View
B
Retailer 13
-
£771 GBP
SGD 1,388 SGD
View
B+
Retailer 14
-
£836 GBP
$1,113 USD
View
B
Retailer 15
-
£874 GBP
$1,164 USD
View
B
Retailer 16
-
£1,038 GBP
$1,382 USD
View
B
Retailer 17
-
£1,043 GBP
View
Most Expensive
B
Brilliant Earth
21422485A · Oct 28
£1,645 GBP
$2,190 USD
View
17 more retailers have this diamond
Prices start from £210 GBPSave up to £1,435 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
£210 GBP