Radiant|Lab Grown|IGI

1.05ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739561141

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

Certificate IGI LG739561141

Diamond specifications and retailer prices

From £137 GBP
$184 USD
As of October 30, 2026
Save £1,332 GBP (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,469 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739561141 or 739561141. Listed at 26 retailers as of October 27, 2026, with prices from £137 to £1,469, a £1,332 spread on the same certified stone. Queensmith lists it at £1,469. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739561141
Dimensions7.53 × 5.24 × 3.36 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.53 mm5.24 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739561141
Side View
Table 63.0%Crown 40.1°Girdle: MediumPavilion 36.1°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £343 GBP|Low: £133 GBP|High: £1,321 GBP|Avg: £495 GBP|+1.6%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 20£137 GBP
Retailer 9£154 GBP
Retailer 19£160 GBP
Retailer 6£171 GBP
Retailer 10£171 GBP
Retailer 14£194 GBP
Retailer 8£245 GBP
Retailer 16£323 GBP
Retailer 1£343 GBP
Retailer 3£350 GBP
Retailer 17£460 GBP
Retailer 4£579 GBP
Retailer 2£605 GBP
Retailer 11£636 GBP
Retailer 13£734 GBP
Retailer 7£854 GBP
Retailer 15£885 GBP
Retailer 12£993 GBP
Retailer 18£996 GBP
Retailer 5£1,321 GBP

39 data points across 20 retailers

26 retailers£137 GBP to £1,469 GBP

A
Cheapest Retailer
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£137 GBP
$184 USD
A
Retailer 2
-
£154 GBP
$206 USD
View
Final sale: no returns
A
Retailer 3
-
£160 GBP
$214 USD
View
A
Retailer 4
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£171 GBP
$229 USD
View
A
Retailer 5
-
£171 GBP
$229 USD
View
A
Retailer 6
-
£194 GBP
View
A
Retailer 7
-
£245 GBP
$328 USD
View
A
Retailer 8
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 9
-
£323 GBP
ZAR 6,999 ZAR
View
A
Retailer 10
-
£340 GBP
$455 USD
View
A
Retailer 11
-
£343 GBP
View
A
Retailer 12
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£350 GBP
$469 USD
View
A
Retailer 13
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£460 GBP
A$949 AUD
View
B+
Retailer 14
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£579 GBP
$776 USD
View
B+
Retailer 15
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£605 GBP
$811 USD
View
B+
Retailer 16
-
£636 GBP
SGD 1,152 SGD
View
B+
Retailer 17
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£734 GBP
$984 USD
View
B+
Retailer 18
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£739 GBP
View
B
Retailer 19
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£854 GBP
$1,145 USD
View
B+
Retailer 20
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£885 GBP
View
Retailer 21
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£966 GBP
$1,295 USD
View
Price last confirmed 10 days ago
B+
Retailer 22
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£993 GBP
$1,330 USD
View
Retailer 23
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£996 GBP
$1,335 USD
View
Price last confirmed 10 days ago
Retailer 24
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£996 GBP
$1,335 USD
View
Price last confirmed 10 days ago
B
Retailer 25
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£1,321 GBP
$1,770 USD
View
Most Expensive
B
Queensmith
LG739561141 · Oct 27
£1,469 GBP
View
25 more retailers have this diamond
Prices start from £137 GBPSave up to £1,332 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
1.05ct Radiant
£137 GBP