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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG808629874

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG808629874

Diamond specifications and retailer prices

From £243 GBP
$323 USD
As of October 27, 2026
Save £1,913 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,155 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG808629874 or 808629874. Listed at 17 retailers as of October 27, 2026, with prices from £243 to £2,155, a £1,913 spread on the same certified stone. Do Amore Diamonds lists it at £2,155. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808629874
Dimensions8.04 × 7.11 × 3.00 mm
L/W Ratio1.13
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
8.04 mm7.11 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808629874
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 57.1%

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: £2,155 GBP|Low: £236 GBP|High: £2,178 GBP|Avg: £834 GBP|+27.0%
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 15£243 GBP
Retailer 17£281 GBP
Retailer 12£344 GBP
Retailer 13£349 GBP
Retailer 6£388 GBP
Retailer 7£399 GBP
Retailer 8£496 GBP
Retailer 10£499 GBP
Retailer 16£608 GBP
Retailer 5£718 GBP
Retailer 2£770 GBP
Retailer 19£882 GBP
Retailer 11£965 GBP
Retailer 3£988 GBP
Retailer 18£1,066 GBP
Retailer 14£1,298 GBP
Retailer 4£1,307 GBP
Retailer 9£1,772 GBP
Do Amore Diamonds£2,155 GBP

29 data points across 19 retailers

17 retailers£243 GBP to £2,155 GBP

A
Cheapest Retailer
-
£243 GBP
$323 USD
A
Retailer 2
-
£281 GBP
$374 USD
View
A
Retailer 3
-
£344 GBP
View
A
Retailer 4
-
£349 GBP
$465 USD
View
A
Retailer 5
-
£388 GBP
$517 USD
View
A
Retailer 6
-
£399 GBP
$532 USD
View
A
Retailer 7
-
£496 GBP
$661 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
£608 GBP
$809 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
£718 GBP
$957 USD
View
A
Retailer 10
-
£770 GBP
A$1,577 AUD
View
B+
Retailer 11
-
£882 GBP
$1,174 USD
View
B+
Retailer 12
-
£988 GBP
CA$1,827 CAD
View
B+
Retailer 13
-
£1,066 GBP
$1,420 USD
View
B+
Retailer 14
-
£1,298 GBP
View
B+
Retailer 15
-
£1,307 GBP
$1,740 USD
View
B
Retailer 16
-
£1,772 GBP
A$3,630 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
Do Amore Diamonds
27-43E08449F · Oct 29
£2,155 GBP
$2,870 USD
View
16 more retailers have this diamond
Prices start from £243 GBPSave up to £1,913 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
1.51ct Heart
£243 GBP