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Round|Lab Grown|IGI

1.46ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG754510030

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510030

Diamond specifications and retailer prices

From £146 GBP
$196 USD
As of November 3, 2026
Save £771 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £917 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 LG754510030 or 754510030. Listed at 18 retailers as of November 3, 2026, with prices from £146 to £917, a £771 spread on the same certified stone. Brilliant Earth lists it at £917. 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 angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510030
Dimensions7.28 × 7.25 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm7.25 mm1.46 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510030
Side View
Table 56.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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 3
Current: £917 GBP|Low: £146 GBP|High: £962 GBP|Avg: £438 GBP|-4.7%
Brilliant Earth
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
Retailer 16
Retailer 17
November 3, 2026
Retailer 14£146 GBP
Retailer 6£169 GBP
Retailer 16£180 GBP
Retailer 9£183 GBP
Retailer 2£311 GBP
Retailer 13£312 GBP
Retailer 7£315 GBP
Retailer 11£329 GBP
Retailer 10£333 GBP
Retailer 5£371 GBP
Retailer 4£404 GBP
Retailer 12£441 GBP
Retailer 17£581 GBP
Retailer 3£583 GBP
Retailer 8£621 GBP
Retailer 15£846 GBP
Brilliant Earth£917 GBP

32 data points across 17 retailers

18 retailers£146 GBP to £917 GBP

A
Cheapest Retailer
-
£146 GBP
$196 USD
A
Retailer 2
-
£169 GBP
$227 USD
View
A
Retailer 3
-
£180 GBP
$242 USD
View
Retailer 4
-
£183 GBP
$245 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£311 GBP
View
A
Retailer 6
-
£312 GBP
ZAR 6,763 ZAR
View
B+
Retailer 7
-
£315 GBP
$422 USD
View
A
Retailer 8
-
£329 GBP
View
A
Retailer 9
-
£333 GBP
€425 EUR
View
A
Retailer 10
-
£371 GBP
$498 USD
View
B+
Retailer 11
-
£404 GBP
$542 USD
View
B+
Retailer 12
-
£441 GBP
A$910 AUD
View
B+
Retailer 13
-
£451 GBP
$605 USD
View
B+
Retailer 14
-
£581 GBP
$779 USD
View
B+
Retailer 15
-
£583 GBP
$782 USD
View
B
Retailer 16
-
£621 GBP
$833 USD
View
B
Retailer 17
-
£846 GBP
View
Most Expensive
B
Brilliant Earth
17710494A · Nov 3
£917 GBP
$1,230 USD
View
17 more retailers have this diamond
Prices start from £146 GBPSave up to £771 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
£146 GBP