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Radiant|Lab Grown|IGI

1.44ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG621410454

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

Certificate IGI LG621410454

Diamond specifications and retailer prices

From £137 GBP
$184 USD
As of October 30, 2026
Save £750 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £887 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.44ct lab-grown radiant diamond

This 1.44ct 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 LG621410454 or 621410454. Listed at 20 retailers as of October 30, 2026, with prices from £137 to £887, a £750 spread on the same certified stone. Flawless Fine Jewelry lists it at £887. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.44
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621410454
Dimensions8.19 × 5.44 × 3.65 mm
L/W Ratio1.51
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
8.19 mm5.44 mm1.44 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621410454
Side View
Table 63.0%Crown 37.8°Girdle: MediumPavilion 34.3°Culet: NoneDepth 67.1%

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 30
Current: £887 GBP|Low: £128 GBP|High: £887 GBP|Avg: £402 GBP|+2.6%
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 19£137 GBP
Retailer 12£159 GBP
Retailer 10£166 GBP
Retailer 4£170 GBP
Retailer 18£175 GBP
Retailer 2£285 GBP
Retailer 5£285 GBP
Retailer 3£300 GBP
Retailer 13£308 GBP
Retailer 7£406 GBP
Retailer 16£417 GBP
Retailer 15£446 GBP
Retailer 11£534 GBP
Retailer 9£549 GBP
Retailer 8£555 GBP
Retailer 14£578 GBP
Retailer 17£694 GBP
Retailer 6£778 GBP
Flawless Fine Jewelry£887 GBP

38 data points across 19 retailers

20 retailers£137 GBP to £887 GBP

A
Cheapest Retailer
-
£137 GBP
$184 USD
A
Retailer 2
-
£159 GBP
$213 USD
View
A
Retailer 3
-
£166 GBP
$223 USD
View
A
Retailer 4
-
£170 GBP
$228 USD
View
A
Retailer 5
-
£175 GBP
$235 USD
View
Final sale: no returns
A
Retailer 6
-
£285 GBP
€364 EUR
View
A
Retailer 7
-
£285 GBP
ZAR 6,179 ZAR
View
B+
Retailer 8
-
£300 GBP
$402 USD
View
A
Retailer 9
-
£308 GBP
View
A
Retailer 10
-
£406 GBP
A$836 AUD
View
B+
Retailer 11
-
£417 GBP
$559 USD
View
B+
Retailer 12
-
£446 GBP
$597 USD
View
B+
Retailer 13
-
£534 GBP
$716 USD
View
Retailer 14
-
£549 GBP
$735 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
£552 GBP
View
B+
Retailer 16
-
£555 GBP
A$1,144 AUD
View
B+
Retailer 17
-
£578 GBP
$774 USD
View
B
Retailer 18
-
£694 GBP
$930 USD
View
B
Retailer 19
-
£778 GBP
View
Most Expensive
B
Flawless Fine Jewelry
7C44BBC93 · Oct 31
£887 GBP
View
19 more retailers have this diamond
Prices start from £137 GBPSave up to £750 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
1.44ct Radiant
£137 GBP