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Round|Lab Grown|IGI

1.46ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG784627878

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784627878

Diamond specifications and retailer prices

From £139 GBP
As of October 29, 2026
Save £457 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £597 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.46ct lab-grown round diamond

This 1.46ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784627878 or 784627878. Listed at 15 retailers as of October 29, 2026, with prices from £139 to £597, a £457 spread on the same certified stone. Taylor and Hart lists it at £597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784627878
Dimensions7.36 × 7.42 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm7.42 mm1.46 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784627878
Side View
Table 58.0%Crown 33.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 29
Current: £559 GBP|Low: £139 GBP|High: £759 GBP|Avg: £402 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Taylor and Hart
October 30, 2026
Retailer 11£139 GBP
Retailer 8£162 GBP
Retailer 6£173 GBP
Retailer 15£200 GBP
Retailer 12£294 GBP
Retailer 9£299 GBP
Retailer 2£304 GBP
Retailer 10£312 GBP
Retailer 13£365 GBP
Retailer 14£403 GBP
Retailer 3£447 GBP
Retailer 5£556 GBP
Retailer 1£559 GBP
Retailer 4£586 GBP
Taylor and Hart£597 GBP
Retailer 7£759 GBP

4 data points across 16 retailers

15 retailers£139 GBP to £597 GBP

A
Cheapest Retailer
-
£139 GBP
A
Retailer 2
-
£162 GBP
View
Retailer 3
-
£173 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£200 GBP
View
A
Retailer 5
-
£294 GBP
View
A
Retailer 6
-
£299 GBP
View
B+
Retailer 7
-
£304 GBP
View
A
Retailer 8
-
£312 GBP
View
A
Retailer 9
-
£365 GBP
View
B+
Retailer 10
-
£403 GBP
View
B+
Retailer 11
-
£447 GBP
View
B+
Retailer 12
-
£556 GBP
View
B+
Retailer 13
-
£559 GBP
View
B
Retailer 14
-
£586 GBP
View
Most Expensive
B
Taylor and Hart
8B7SQ1B · Oct 31
£597 GBP
$800 USD
View
14 more retailers have this diamond
Prices start from £139 GBPSave up to £457 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 Round
£139 GBP