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Heart|Lab Grown|IGI

1.45ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG816615660

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816615660

Diamond specifications and retailer prices

From £182 GBP
$243 USD
As of October 30, 2026
Save £929 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,111 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816615660 or 816615660. Listed at 18 retailers as of October 28, 2026, with prices from £182 to £1,111, a £929 spread on the same certified stone. Brilliant Earth lists it at £1,111. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615660
Dimensions7.77 × 6.90 × 4.54 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
7.77 mm6.90 mm1.45 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615660
Side View
Table 57.0%Crown 36.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 58.4%

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: £1,111 GBP|Low: £178 GBP|High: £1,111 GBP|Avg: £512 GBP
Brilliant Earth
Retailer 2
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Retailer 18
October 30, 2026
Retailer 10£182 GBP
Retailer 4£204 GBP
Retailer 18£212 GBP
Retailer 8£226 GBP
Retailer 15£226 GBP
Retailer 2£278 GBP
Retailer 17£380 GBP
Retailer 13£389 GBP
Retailer 11£429 GBP
Retailer 14£552 GBP
Retailer 16£566 GBP
Retailer 3£583 GBP
Retailer 9£591 GBP
Retailer 7£728 GBP
Retailer 6£729 GBP
Retailer 5£767 GBP
Retailer 12£912 GBP
Brilliant Earth£1,111 GBP

32 data points across 18 retailers

18 retailers£182 GBP to £1,111 GBP

A
Cheapest Retailer
-
£182 GBP
$243 USD
A
Retailer 2
-
£204 GBP
$272 USD
View
Final sale: no returns
A
Retailer 3
-
£212 GBP
$282 USD
View
A
Retailer 4
-
£226 GBP
$301 USD
View
A
Retailer 5
-
£226 GBP
$301 USD
View
A
Retailer 6
-
£278 GBP
View
A
Retailer 7
-
£380 GBP
$506 USD
View
A
Retailer 8
-
£389 GBP
ZAR 8,366 ZAR
View
A
Retailer 9
-
£429 GBP
View
B+
Retailer 10
-
£552 GBP
A$1,131 AUD
View
B+
Retailer 11
-
£566 GBP
$754 USD
View
B+
Retailer 12
-
£583 GBP
$776 USD
View
B+
Retailer 13
-
£591 GBP
$787 USD
View
B+
Retailer 14
-
£728 GBP
$969 USD
View
B+
Retailer 15
-
£729 GBP
SGD 1,312 SGD
View
B+
Retailer 16
-
£767 GBP
$1,021 USD
View
B
Retailer 17
-
£912 GBP
View
Most Expensive
B
Brilliant Earth
21421171A · Oct 28
£1,111 GBP
$1,480 USD
View
17 more retailers have this diamond
Prices start from £182 GBPSave up to £929 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
£182 GBP