Heart|Lab Grown|IGI

1.45ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG822619226

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG822619226

Diamond specifications and retailer prices

From £181 GBP
As of November 4, 2026
Save £726 GBP (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £906 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG822619226 or 822619226. Listed at 3 retailers as of November 4, 2026, with prices from £181 to £906, a £726 spread on the same certified stone. Brilliant Earth lists it at £906. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822619226
Dimensions7.18 × 7.88 × 4.54 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
7.18 mm7.88 mm1.45 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822619226
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £906 GBP|Low: £181 GBP|High: £1,293 GBP|Avg: £590 GBP|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3£181 GBP
Retailer 4£344 GBP
Retailer 2£382 GBP
Retailer 6£580 GBP
Retailer 5£726 GBP
Brilliant Earth£906 GBP

41 data points across 6 retailers

3 retailers£181 GBP to £906 GBP

A
Cheapest Retailer
-
£181 GBP
Final sale: no returns
A
Retailer 2
-
£382 GBP
View
Most Expensive
B
Brilliant Earth
21233409A · Nov 4
£906 GBP
$1,220 USD
View
2 more retailers have this diamond
Prices start from £181 GBPSave up to £726 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
£181 GBP