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Heart|Lab Grown|IGI

1.99ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG818659718

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818659718

Diamond specifications and retailer prices

From £1,034 GBP
$1,377 USD
As of October 28, 2026
Save £3,855 GBP (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,889 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.99ct lab-grown heart diamond

This 1.99ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659718 or 818659718. Listed at 7 retailers as of October 28, 2026, with prices from £1,034 to £4,889, a £3,855 spread on the same certified stone. Do Amore Diamonds lists it at £4,889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.99
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659718
Dimensions8.65 × 7.76 × 4.98 mm
L/W Ratio1.11
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
8.65 mm7.76 mm1.99 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659718
Side View
Table 63.0%Crown 41.2°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 57.6%

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 28
Current: £4,889 GBP|Low: £648 GBP|High: £5,069 GBP|Avg: £2,122 GBP|-3.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11£648 GBP
Retailer 6£1,034 GBP
Retailer 4£1,036 GBP
Retailer 8£1,295 GBP
Retailer 10£1,443 GBP
Retailer 5£1,572 GBP
Retailer 9£1,573 GBP
Retailer 2£2,655 GBP
Retailer 3£3,097 GBP
Retailer 7£4,288 GBP
Do Amore Diamonds£4,889 GBP

12 data points across 11 retailers

7 retailers£1,034 GBP to £4,889 GBP

A
Cheapest Retailer
-
£1,034 GBP
$1,377 USD
A
Retailer 2
-
£1,036 GBP
$1,380 USD
View
B+
Retailer 3
-
£1,572 GBP
$2,094 USD
View
Retailer 4
-
£1,573 GBP
ZAR 33,838 ZAR
View
Price last confirmed 48 days ago
B+
Retailer 5
-
£2,655 GBP
View
B
Retailer 6
-
£4,288 GBP
$5,710 USD
View
Most Expensive
B
Do Amore Diamonds
27-634FEF26C · Oct 29
£4,889 GBP
$6,510 USD
View
6 more retailers have this diamond
Prices start from £1,034 GBPSave up to £3,855 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
1.99ct Heart
£1,034 GBP