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Heart|Lab Grown|IGI

1.30ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG665409679

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665409679

Diamond specifications and retailer prices

From £239 GBP
$318 USD
As of October 27, 2026
Save £1,774 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,012 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.3ct lab-grown heart diamond

This 1.3ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665409679 or 665409679. Listed at 22 retailers as of October 27, 2026, with prices from £239 to £2,012, a £1,774 spread on the same certified stone. Brilliant Earth lists it at £2,012. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409679
Dimensions6.96 × 7.50 × 4.36 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
6.96 mm7.50 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409679
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 58.1%

Caratlytics Score

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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: £2,012 GBP|Low: £227 GBP|High: £2,012 GBP|Avg: £685 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 4£239 GBP
Retailer 19£267 GBP
Retailer 12£277 GBP
Retailer 7£296 GBP
Retailer 11£296 GBP
Retailer 21£413 GBP
Retailer 9£480 GBP
Retailer 6£483 GBP
Retailer 15£497 GBP
Retailer 20£508 GBP
Retailer 13£528 GBP
Retailer 17£531 GBP
Retailer 3£688 GBP
Retailer 18£722 GBP
Retailer 8£767 GBP
Retailer 5£951 GBP
Retailer 14£985 GBP
Retailer 2£1,117 GBP
Retailer 10£1,179 GBP
Retailer 16£1,192 GBP
Brilliant Earth£2,012 GBP

34 data points across 21 retailers

22 retailers£239 GBP to £2,012 GBP

A
Cheapest Retailer
-
£239 GBP
$318 USD
A
Retailer 2
-
£267 GBP
$356 USD
View
Final sale: no returns
A
Retailer 3
-
£277 GBP
$369 USD
View
A
Retailer 4
-
£296 GBP
$394 USD
View
A
Retailer 5
-
£296 GBP
$394 USD
View
A
Retailer 6
-
£413 GBP
$550 USD
View
A
Retailer 7
-
£480 GBP
$639 USD
View
A
Retailer 8
-
£483 GBP
$643 USD
View
A
Retailer 9
-
£497 GBP
€630 EUR
View
A
Retailer 10
-
£508 GBP
ZAR 10,939 ZAR
View
A
Retailer 11
-
£528 GBP
View
A
Retailer 12
-
£531 GBP
A$1,088 AUD
View
B+
Retailer 13
-
£688 GBP
$916 USD
View
B+
Retailer 14
-
£722 GBP
A$1,479 AUD
View
B+
Retailer 15
-
£767 GBP
$1,021 USD
View
B+
Retailer 16
-
£951 GBP
$1,267 USD
View
B+
Retailer 17
-
£985 GBP
$1,312 USD
View
B
Retailer 18
-
£1,117 GBP
$1,487 USD
View
B+
Retailer 19
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£1,117 GBP
A$2,288 AUD
View
B
Retailer 20
-
£1,179 GBP
$1,570 USD
View
B+
Retailer 21
-
£1,192 GBP
View
Most Expensive
B
Brilliant Earth
14719911A · Oct 28
£2,012 GBP
$2,680 USD
View
21 more retailers have this diamond
Prices start from £239 GBPSave up to £1,774 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
1.30ct Heart
£239 GBP