Heart|Lab Grown|IGI

1.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG847664909

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG847664909

Diamond specifications and retailer prices

From £163 GBP
$218 USD
As of October 30, 2026
Save £1,352 GBP (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,515 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847664909 or 847664909. Listed at 23 retailers as of October 23, 2026, with prices from £163 to £1,515, a £1,352 spread on the same certified stone. Brilliant Earth lists it at £1,515. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847664909
Dimensions7.23 × 7.92 × 4.52 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm7.92 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847664909
Side View
Table 68.0%Crown 35°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 57.1%

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 30
Current: £1,515 GBP|Low: £163 GBP|High: £1,515 GBP|Avg: £547 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 2£163 GBP
Retailer 5£182 GBP
Retailer 23£202 GBP
Retailer 14£218 GBP
Retailer 12£234 GBP
Retailer 19£236 GBP
Retailer 17£270 GBP
Retailer 10£355 GBP
Retailer 20£373 GBP
Retailer 21£380 GBP
Retailer 3£387 GBP
Retailer 8£401 GBP
Retailer 15£486 GBP
Retailer 9£544 GBP
Retailer 4£608 GBP
Retailer 7£647 GBP
Retailer 22£687 GBP
Retailer 16£716 GBP
Retailer 13£733 GBP
Retailer 11£736 GBP
Retailer 6£811 GBP
Retailer 18£933 GBP
Brilliant Earth£1,515 GBP

10 data points across 23 retailers

23 retailers£163 GBP to £1,515 GBP

A
Cheapest Retailer
-
£163 GBP
$218 USD
A
Retailer 2
-
£182 GBP
$244 USD
View
Final sale: no returns
A
Retailer 3
-
£202 GBP
$270 USD
View
A
Retailer 4
-
£218 GBP
$292 USD
View
A
Retailer 5
-
£234 GBP
$313 USD
View
A
Retailer 6
-
£236 GBP
View
B+
Retailer 7
-
£270 GBP
$362 USD
View
A
Retailer 8
-
£355 GBP
$475 USD
View
A
Retailer 9
-
£373 GBP
View
A
Retailer 10
-
£380 GBP
$509 USD
View
A
Retailer 11
-
£387 GBP
€494 EUR
View
B+
Retailer 12
-
£401 GBP
ZAR 8,675 ZAR
View
B+
Retailer 13
-
£486 GBP
$651 USD
View
B+
Retailer 14
-
£544 GBP
A$1,121 AUD
View
B+
Retailer 15
-
£608 GBP
$814 USD
View
B+
Retailer 16
-
£647 GBP
$867 USD
View
B+
Retailer 17
-
£687 GBP
$920 USD
View
B
Retailer 18
-
£716 GBP
$960 USD
View
B+
Retailer 19
-
£733 GBP
$982 USD
View
B
Retailer 20
-
£736 GBP
A$1,518 AUD
View
B
Retailer 21
-
£811 GBP
View
B
Retailer 22
-
£933 GBP
$1,250 USD
View
Most Expensive
B
Brilliant Earth
22239045A · Oct 23
£1,515 GBP
$2,030 USD
View
22 more retailers have this diamond
Prices start from £163 GBPSave up to £1,352 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
£163 GBP