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Heart|Lab Grown|IGI

1.46ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG831671790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831671790

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of October 30, 2026
Save £90 GBP (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £806 GBP at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1.46ct lab-grown heart diamond

This 1.46ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831671790 or 831671790. Listed at 3 retailers as of October 30, 2026, with a 53% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831671790
Dimensions6.75 × 7.88 × 4.68 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.75 mm7.88 mm1.46 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831671790
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £170 GBP|Low: £170 GBP|High: £661 GBP|Avg: £430 GBP|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 1£170 GBP
Retailer 2£260 GBP
Retailer 3£369 GBP
Retailer 5£452 GBP
Retailer 4£661 GBP

13 data points across 5 retailers

3 retailers£170 GBP to £260 GBP

A
Cheapest Retailer
-
£170 GBP
$228 USD
Final sale: no returns
B+
Retailer 2
-
£260 GBP
$348 USD
View
Most Expensive
Brilliant Earth
21232734A · Oct 1
£806 GBP
$1,080 USD
View
Price last confirmed 29 days ago
2 more retailers have this diamond
Prices start from £170 GBPSave up to £90 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
1.46ct Heart
£170 GBP