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Heart|Lab Grown|IGI

1.45ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG794622573

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG794622573

Diamond specifications and retailer prices

From £176 GBP
As of November 4, 2026
Save £1,194 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,370 GBP at Brilliant Earth · As of November 4, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794622573 or 794622573. Listed at 18 retailers as of November 4, 2026, with prices from £176 to £1,370, a £1,194 spread on the same certified stone. Brilliant Earth lists it at £1,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794622573
Dimensions7.91 × 6.75 × 4.48 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
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
7.91 mm6.75 mm1.45 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794622573
Side View
Table 55.0%Crown 36.5°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 56.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,370 GBP|Low: £176 GBP|High: £1,370 GBP|Avg: £505 GBP
Brilliant Earth
Retailer 2
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Retailer 18
November 5, 2026
Retailer 10£176 GBP
Retailer 4£197 GBP
Retailer 18£204 GBP
Retailer 8£219 GBP
Retailer 15£219 GBP
Retailer 17£370 GBP
Retailer 13£377 GBP
Retailer 16£403 GBP
Retailer 2£407 GBP
Retailer 11£536 GBP
Retailer 12£553 GBP
Retailer 9£570 GBP
Retailer 3£599 GBP
Retailer 7£703 GBP
Retailer 6£706 GBP
Retailer 5£741 GBP
Retailer 14£876 GBP
Brilliant Earth£1,370 GBP

41 data points across 18 retailers

18 retailers£176 GBP to £1,370 GBP

A
Cheapest Retailer
-
£176 GBP
A
Retailer 2
-
£197 GBP
View
Final sale: no returns
A
Retailer 3
-
£204 GBP
View
Retailer 4
-
£219 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£219 GBP
View
A
Retailer 6
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£370 GBP
View
A
Retailer 7
-
£377 GBP
View
A
Retailer 8
-
£403 GBP
View
A
Retailer 9
-
£407 GBP
View
B+
Retailer 10
-
£536 GBP
View
B+
Retailer 11
-
£553 GBP
View
B+
Retailer 12
-
£570 GBP
View
B+
Retailer 13
-
£599 GBP
View
B+
Retailer 14
-
£703 GBP
View
B+
Retailer 15
-
£706 GBP
View
B+
Retailer 16
-
£741 GBP
View
B+
Retailer 17
-
£876 GBP
View
Most Expensive
B
Brilliant Earth
21419487A · Nov 4
£1,370 GBP
$1,850 USD
View
17 more retailers have this diamond
Prices start from £176 GBPSave up to £1,194 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
£176 GBP