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Radiant|Lab Grown|IGI

1.05ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG597387073

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

Certificate IGI LG597387073

Diamond specifications and retailer prices

From £198 GBP
$266 USD
As of November 2, 2026
Save £848 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,046 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG597387073 or 597387073. Listed at 22 retailers as of November 1, 2026, with prices from £198 to £1,046, a £848 spread on the same certified stone. Reve Diamonds lists it at £1,046. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597387073
Dimensions7.34 × 5.02 × 3.35 mm
L/W Ratio1.46
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
7.34 mm5.02 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597387073
Side View
Table 64.0%Crown 40.4°Girdle: THN-MEDPavilion 33.9°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £471 GBP|Low: £190 GBP|High: £997 GBP|Avg: £477 GBP|+3.4%
Retailer 1
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
November 2, 2026
Retailer 16£198 GBP
Retailer 7£221 GBP
Retailer 4£230 GBP
Retailer 2£246 GBP
Retailer 5£246 GBP
Retailer 11£347 GBP
Retailer 13£365 GBP
Retailer 10£422 GBP
Retailer 9£423 GBP
Retailer 6£427 GBP
Retailer 1£471 GBP
Retailer 12£598 GBP
Retailer 15£755 GBP
Retailer 3£790 GBP
Retailer 8£954 GBP
Retailer 14£985 GBP

43 data points across 16 retailers

22 retailers£198 GBP to £1,046 GBP

A
Cheapest Retailer
-
£198 GBP
$266 USD
A
Retailer 2
-
£221 GBP
$297 USD
View
Final sale: no returns
A
Retailer 3
-
£230 GBP
$308 USD
View
Retailer 4
-
£246 GBP
$330 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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£246 GBP
$330 USD
View
A
Retailer 6
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£277 GBP
HK$2,900 HKD
View
A
Retailer 7
-
£347 GBP
$465 USD
View
A
Retailer 8
-
£365 GBP
$490 USD
View
A
Retailer 9
-
£422 GBP
€539 EUR
View
A
Retailer 10
-
£423 GBP
ZAR 9,181 ZAR
View
A
Retailer 11
-
£427 GBP
$573 USD
View
A
Retailer 12
-
£454 GBP
$609 USD
View
B+
Retailer 13
-
£471 GBP
View
B+
Retailer 14
-
£598 GBP
A$1,234 AUD
View
B+
Retailer 15
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£661 GBP
SGD 1,198 SGD
View
B+
Retailer 16
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£755 GBP
$1,013 USD
View
B
Retailer 17
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£790 GBP
$1,060 USD
View
B
Retailer 18
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£828 GBP
$1,111 USD
View
B
Retailer 19
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£954 GBP
View
B
Retailer 20
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£985 GBP
View
B
Retailer 21
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£988 GBP
View
Most Expensive
B
Reve Diamonds
65034DBE0 · Nov 1
£1,046 GBP
$1,404 USD
View
21 more retailers have this diamond
Prices start from £198 GBPSave up to £848 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
£198 GBP