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Heart|Lab Grown|IGI

1.45ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG645401107

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG645401107

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)
14 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 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645401107 or 645401107. Listed at 14 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

1.45
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645401107
Dimensions7.99 × 7.99 × 7.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm7.99 mm1.45 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645401107
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 55.8%

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: £1,605 GBP|Low: £193 GBP|High: £1,657 GBP|Avg: £616 GBP|-3.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
October 29, 2026
Retailer 3£193 GBP
Retailer 5£257 GBP
Retailer 15£306 GBP
Retailer 4£331 GBP
Retailer 14£353 GBP
Retailer 9£357 GBP
Retailer 7£424 GBP
Retailer 8£561 GBP
Retailer 12£668 GBP
Retailer 13£688 GBP
Retailer 11£731 GBP
Retailer 10£885 GBP
Retailer 2£920 GBP
Retailer 6£950 GBP
Do Amore Diamonds£1,605 GBP

19 data points across 15 retailers

14 retailers£167 GBP to £1,605 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£193 GBP
$259 USD
View
Final sale: no returns
A
Retailer 3
-
£193 GBP
$259 USD
View
A
Retailer 4
-
£306 GBP
HK$3,200 HKD
View
A
Retailer 5
-
£353 GBP
$473 USD
View
A
Retailer 6
-
£357 GBP
$478 USD
View
B+
Retailer 7
-
£561 GBP
A$1,157 AUD
View
B
Retailer 8
-
£668 GBP
$895 USD
View
Retailer 9
-
£688 GBP
A$1,419 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
£731 GBP
$980 USD
View
B
Retailer 11
-
£734 GBP
$984 USD
View
B
Retailer 12
-
£885 GBP
SGD 1,603 SGD
View
B
Retailer 13
-
£920 GBP
View
Most Expensive
B
Do Amore Diamonds
27-69EC3AB9D · Oct 29
£1,605 GBP
$2,150 USD
View
13 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
1.45ct Heart
£167 GBP