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Radiant|Lab Grown|IGI

1.45ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG831654103

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG831654103

Diamond specifications and retailer prices

From £160 GBP
$214 USD
As of October 30, 2026
Save £638 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £798 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant 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 LG831654103 or 831654103. Listed at 14 retailers as of October 29, 2026, with prices from £160 to £798, a £638 spread on the same certified stone. MOH London lists it at £798. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831654103
Dimensions7.91 × 5.58 × 3.70 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm5.58 mm1.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831654103
Side View
Table 69.0%Crown 46.7°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 66.3%

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: Oct 30
Current: £798 GBP|Low: £154 GBP|High: £870 GBP|Avg: £464 GBP|-7.2%
MOH London
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
November 1, 2026
Retailer 12£160 GBP
Retailer 11£185 GBP
Retailer 13£220 GBP
Retailer 2£243 GBP
Retailer 5£340 GBP
Retailer 4£387 GBP
Retailer 14£459 GBP
Retailer 7£484 GBP
Retailer 8£560 GBP
Retailer 3£637 GBP
Retailer 6£638 GBP
Retailer 10£639 GBP
Retailer 9£702 GBP
MOH London£798 GBP

39 data points across 14 retailers

14 retailers£160 GBP to £798 GBP

A
Cheapest Retailer
-
£160 GBP
$214 USD
A
Retailer 2
-
£185 GBP
$248 USD
View
A
Retailer 3
-
£220 GBP
HK$2,300 HKD
View
A
Retailer 4
-
£243 GBP
View
A
Retailer 5
-
£340 GBP
$455 USD
View
A
Retailer 6
-
£387 GBP
$518 USD
View
B+
Retailer 7
-
£459 GBP
$615 USD
View
B+
Retailer 8
-
£484 GBP
A$998 AUD
View
B+
Retailer 9
-
£560 GBP
$750 USD
View
B+
Retailer 10
-
£637 GBP
$853 USD
View
B
Retailer 11
-
£638 GBP
SGD 1,155 SGD
View
B
Retailer 12
-
£639 GBP
$856 USD
View
B
Retailer 13
-
£702 GBP
$940 USD
View
Most Expensive
B
MOH London
LG831654103 · Oct 29
£798 GBP
View
13 more retailers have this diamond
Prices start from £160 GBPSave up to £638 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 Radiant
£160 GBP