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Heart|Lab Grown|IGI

1.45ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG669426932

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669426932

Diamond specifications and retailer prices

From £227 GBP
As of November 4, 2026
Save £1,173 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,400 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 LG669426932 or 669426932. Listed at 23 retailers as of November 4, 2026, with prices from £227 to £1,400, a £1,173 spread on the same certified stone. Brilliant Earth lists it at £1,400. 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 angle33.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669426932
Dimensions7.07 × 7.62 × 4.68 mm
L/W Ratio1.08
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
7.07 mm7.62 mm1.45 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669426932
Side View
Table 59.0%Crown 33.2°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 61.4%

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: Nov 4
Current: £1,400 GBP|Low: £225 GBP|High: £1,400 GBP|Avg: £624 GBP|+1.6%
Brilliant Earth
Retailer 2
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Retailer 21
November 5, 2026
Retailer 5£227 GBP
Retailer 21£254 GBP
Retailer 12£264 GBP
Retailer 8£281 GBP
Retailer 11£281 GBP
Retailer 3£396 GBP
Retailer 9£459 GBP
Retailer 18£471 GBP
Retailer 7£472 GBP
Retailer 17£486 GBP
Retailer 2£496 GBP
Retailer 20£509 GBP
Retailer 4£617 GBP
Retailer 16£693 GBP
Retailer 15£866 GBP
Retailer 6£906 GBP
Retailer 14£940 GBP
Retailer 19£1,021 GBP
Retailer 13£1,126 GBP
Retailer 10£1,136 GBP
Brilliant Earth£1,400 GBP

34 data points across 21 retailers

23 retailers£227 GBP to £1,400 GBP

A
Cheapest Retailer
-
£227 GBP
A
Retailer 2
-
£254 GBP
View
Final sale: no returns
A
Retailer 3
-
£264 GBP
View
A
Retailer 4
-
£281 GBP
View
Retailer 5
-
£281 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£396 GBP
View
B+
Retailer 7
-
£459 GBP
View
B+
Retailer 8
-
£471 GBP
View
B+
Retailer 9
-
£472 GBP
View
B+
Retailer 10
-
£486 GBP
View
B+
Retailer 11
-
£496 GBP
View
B+
Retailer 12
-
£509 GBP
View
B+
Retailer 13
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£617 GBP
View
B+
Retailer 14
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£693 GBP
View
B
Retailer 15
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£736 GBP
View
B
Retailer 16
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£794 GBP
View
B
Retailer 17
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£866 GBP
View
B
Retailer 18
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£906 GBP
View
B
Retailer 19
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£940 GBP
View
B
Retailer 20
-
£1,021 GBP
View
B
Retailer 21
-
£1,126 GBP
View
B
Retailer 22
-
£1,136 GBP
View
Most Expensive
B
Brilliant Earth
13623296A · Nov 4
£1,400 GBP
$1,890 USD
View
22 more retailers have this diamond
Prices start from £227 GBPSave up to £1,173 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
£227 GBP