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Radiant|Lab Grown|IGI

1.45ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG615343839

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

Certificate IGI LG615343839

Diamond specifications and retailer prices

From £128 GBP
$172 USD
As of October 27, 2026
Save £1,103 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,231 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG615343839 or 615343839. Listed at 11 retailers as of October 27, 2026, with prices from £128 to £1,231, a £1,103 spread on the same certified stone. Do Amore Diamonds lists it at £1,231. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615343839
Dimensions8.04 × 5.61 × 3.80 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.04 mm5.61 mm1.45 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615343839
Side View
Table 64.0%Crown 41.8°Girdle: THN-MEDPavilion 35.8°Culet: NoneDepth 67.7%

Caratlytics Score

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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 27
Current: £1,231 GBP|Low: £128 GBP|High: £1,276 GBP|Avg: £540 GBP|-3.5%
Do Amore Diamonds
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October 29, 2026
Retailer 14£128 GBP
Retailer 18£149 GBP
Retailer 12£149 GBP
Retailer 16£285 GBP
Retailer 8£306 GBP
Retailer 3£308 GBP
Retailer 6£405 GBP
Retailer 11£429 GBP
Retailer 5£440 GBP
Retailer 10£509 GBP
Retailer 13£541 GBP
Retailer 15£565 GBP
Retailer 9£596 GBP
Retailer 4£707 GBP
Retailer 2£827 GBP
Retailer 17£911 GBP
Retailer 7£925 GBP
Do Amore Diamonds£1,231 GBP

17 data points across 18 retailers

11 retailers£128 GBP to £1,231 GBP

A
Cheapest Retailer
-
£128 GBP
$172 USD
A
Retailer 2
-
£149 GBP
$199 USD
View
Final sale: no returns
A
Retailer 3
-
£149 GBP
$200 USD
View
B+
Retailer 4
-
£285 GBP
$382 USD
View
A
Retailer 5
-
£429 GBP
A$884 AUD
View
B+
Retailer 6
-
£541 GBP
$725 USD
View
B+
Retailer 7
-
£565 GBP
$757 USD
View
B
Retailer 8
-
£827 GBP
View
B
Retailer 9
-
£911 GBP
$1,220 USD
View
B
Retailer 10
-
£925 GBP
$1,240 USD
View
Most Expensive
B
Do Amore Diamonds
27-F9B03DBA4 · Oct 29
£1,231 GBP
$1,650 USD
View
10 more retailers have this diamond
Prices start from £128 GBPSave up to £1,103 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
£128 GBP