Heart|Lab Grown|IGI

1.00ct E FL Heart Lab Grown Diamond

EX • E/FL • IGI LG799648093

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799648093

Diamond specifications and retailer prices

From £179 GBP
$239 USD
As of October 27, 2026
Save £1,435 GBP (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,614 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown heart diamond

This 1ct 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 LG799648093 or 799648093. Listed at 10 retailers as of October 27, 2026, with prices from £179 to £1,614, a £1,435 spread on the same certified stone. Do Amore Diamonds lists it at £1,614. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648093
Dimensions6.12 × 6.96 × 4.04 mm
L/W Ratio1.14
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
6.12 mm6.96 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648093
Side View
Table 61.0%Crown 34.3°Girdle: ThickPavilion 39°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,614 GBP|Low: £179 GBP|High: £1,772 GBP|Avg: £668 GBP|-8.9%
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 14£179 GBP
Retailer 11£208 GBP
Retailer 7£225 GBP
Retailer 2£245 GBP
Retailer 5£349 GBP
Retailer 15£375 GBP
Retailer 13£396 GBP
Retailer 6£460 GBP
Retailer 4£578 GBP
Retailer 3£613 GBP
Retailer 12£623 GBP
Retailer 9£739 GBP
Retailer 10£984 GBP
Retailer 8£1,152 GBP
Retailer 16£1,569 GBP
Do Amore Diamonds£1,614 GBP

20 data points across 16 retailers

10 retailers£179 GBP to £1,614 GBP

A
Cheapest Retailer
-
£179 GBP
$239 USD
A
Retailer 2
-
£208 GBP
$277 USD
View
A
Retailer 3
-
£245 GBP
View
A
Retailer 4
-
£375 GBP
$499 USD
View
A
Retailer 5
-
£396 GBP
$527 USD
View
B+
Retailer 6
-
£623 GBP
$830 USD
View
B+
Retailer 7
-
£739 GBP
$984 USD
View
B
Retailer 8
-
£984 GBP
View
B
Retailer 9
-
£1,569 GBP
$2,090 USD
View
Most Expensive
B
Do Amore Diamonds
27-FC1C35D6C · Oct 29
£1,614 GBP
$2,150 USD
View
9 more retailers have this diamond
Prices start from £179 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
1.00ct Heart
£179 GBP