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Heart|Lab Grown|IGI

1.08ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG726570803

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726570803

Diamond specifications and retailer prices

From £223 GBP
$299 USD
As of October 30, 2026
Save £911 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,134 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.08ct lab-grown heart diamond

This 1.08ct 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 LG726570803 or 726570803. Listed at 20 retailers as of October 30, 2026, with prices from £223 to £1,134, a £911 spread on the same certified stone. Brilliant Earth lists it at £1,134. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.08
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726570803
Dimensions6.27 × 7.10 × 4.21 mm
L/W Ratio1.13
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
6.27 mm7.10 mm1.08 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726570803
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,134 GBP|Low: £132 GBP|High: £1,366 GBP|Avg: £554 GBP|-16.9%
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
Retailer 14
October 31, 2026
Retailer 6£207 GBP
Retailer 8£223 GBP
Retailer 9£282 GBP
Retailer 11£343 GBP
Retailer 2£371 GBP
Retailer 14£431 GBP
Retailer 3£433 GBP
Retailer 12£463 GBP
Retailer 13£489 GBP
Retailer 7£515 GBP
Retailer 4£682 GBP
Retailer 5£830 GBP
Retailer 10£929 GBP
Brilliant Earth£1,134 GBP

36 data points across 14 retailers

20 retailers£223 GBP to £1,134 GBP

Retailer 1
-
£167 GBP
$224 USD
Price last confirmed 23 days ago
Retailer 2
-
£193 GBP
$259 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£204 GBP
$274 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£207 GBP
$277 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£207 GBP
$277 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£223 GBP
$299 USD
View
Final sale: no returns
A
Retailer 7
-
£282 GBP
$378 USD
View
A
Retailer 8
-
£343 GBP
ZAR 7,435 ZAR
View
A
Retailer 9
-
£371 GBP
View
B+
Retailer 10
-
£431 GBP
$577 USD
View
B+
Retailer 11
-
£433 GBP
$580 USD
View
B+
Retailer 12
-
£463 GBP
$621 USD
View
B+
Retailer 13
-
£489 GBP
A$1,007 AUD
View
B+
Retailer 14
-
£515 GBP
$690 USD
View
Retailer 15
-
£665 GBP
$891 USD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
£668 GBP
$895 USD
View
B+
Retailer 17
-
£682 GBP
$914 USD
View
B+
Retailer 18
-
£830 GBP
View
B
Retailer 19
-
£929 GBP
$1,245 USD
View
Most Expensive
B
Brilliant Earth
15521086A · Oct 30
£1,134 GBP
$1,520 USD
View
19 more retailers have this diamond
Prices start from £223 GBPSave up to £911 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
1.08ct Heart
£223 GBP