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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 £167 GBP
$224 USD
As of October 30, 2026
Save £1,437 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,605 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 29, 2026, with prices from £167 to £1,605, a £1,437 spread on the same certified stone. Do Amore Diamonds lists it at £1,605. 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 30
Current: £1,605 GBP|Low: £167 GBP|High: £1,761 GBP|Avg: £662 GBP|-8.9%
Do Amore Diamonds
Retailer 2
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Retailer 16
October 30, 2026
Retailer 9£167 GBP
Retailer 14£207 GBP
Retailer 7£223 GBP
Retailer 11£242 GBP
Retailer 5£347 GBP
Retailer 10£353 GBP
Retailer 16£393 GBP
Retailer 6£458 GBP
Retailer 4£574 GBP
Retailer 3£609 GBP
Retailer 15£619 GBP
Retailer 12£734 GBP
Retailer 13£978 GBP
Retailer 8£1,145 GBP
Retailer 2£1,358 GBP
Do Amore Diamonds£1,605 GBP

21 data points across 16 retailers

10 retailers£167 GBP to £1,605 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£207 GBP
$277 USD
View
A
Retailer 3
-
£242 GBP
View
A
Retailer 4
-
£353 GBP
$473 USD
View
A
Retailer 5
-
£393 GBP
$527 USD
View
B+
Retailer 6
-
£619 GBP
$830 USD
View
B+
Retailer 7
-
£734 GBP
$984 USD
View
B
Retailer 8
-
£978 GBP
View
B
Retailer 9
-
£1,358 GBP
$1,820 USD
View
Most Expensive
B
Do Amore Diamonds
27-FC1C35D6C · Oct 29
£1,605 GBP
$2,150 USD
View
9 more retailers have this diamond
Prices start from £167 GBPSave up to £1,437 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
£167 GBP