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Radiant|Lab Grown|IGI

1.05ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG653434490

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

Certificate IGI LG653434490

Diamond specifications and retailer prices

From £139 GBP
$187 USD
As of November 2, 2026
Save £1,202 GBP (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,341 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 LG653434490 or 653434490. Listed at 25 retailers as of November 2, 2026, with prices from £139 to £1,341, a £1,202 spread on the same certified stone. Do Amore Diamonds lists it at £1,341. 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 angle42.7°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653434490
Dimensions7.40 × 4.99 × 3.22 mm
L/W Ratio1.48
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
7.40 mm4.99 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653434490
Side View
Table 63.0%Crown 42.7°Girdle: MediumPavilion 31.8°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £351 GBP|Low: £134 GBP|High: £1,304 GBP|Avg: £463 GBP|+3.3%
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 4£139 GBP
Retailer 11£158 GBP
Retailer 15£162 GBP
Retailer 3£173 GBP
Retailer 7£270 GBP
Retailer 10£324 GBP
Retailer 9£329 GBP
Retailer 1£351 GBP
Retailer 8£352 GBP
Retailer 14£466 GBP
Retailer 6£557 GBP
Retailer 5£613 GBP
Retailer 13£762 GBP
Retailer 16£768 GBP
Retailer 2£965 GBP
Retailer 12£991 GBP

41 data points across 16 retailers

25 retailers£139 GBP to £1,341 GBP

A
Cheapest Retailer
-
£139 GBP
$187 USD
A
Retailer 2
-
£158 GBP
$212 USD
View
Final sale: no returns
A
Retailer 3
-
£162 GBP
$217 USD
View
A
Retailer 4
-
£173 GBP
$232 USD
View
A
Retailer 5
-
£270 GBP
$362 USD
View
A
Retailer 6
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 7
-
£324 GBP
€414 EUR
View
A
Retailer 8
-
£329 GBP
ZAR 7,140 ZAR
View
A
Retailer 9
-
£339 GBP
$455 USD
View
A
Retailer 10
-
£351 GBP
View
A
Retailer 11
-
£352 GBP
$472 USD
View
A
Retailer 12
-
£410 GBP
$550 USD
View
A
Retailer 13
-
£466 GBP
A$963 AUD
View
B+
Retailer 14
-
£557 GBP
$748 USD
View
B+
Retailer 15
-
£613 GBP
$823 USD
View
B+
Retailer 16
-
£668 GBP
SGD 1,211 SGD
View
B+
Retailer 17
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£742 GBP
$995 USD
View
B+
Retailer 18
-
£762 GBP
A$1,573 AUD
View
Retailer 19
-
£768 GBP
View
Price last confirmed 14 days ago
B
Retailer 20
-
£859 GBP
$1,153 USD
View
Retailer 21
-
£965 GBP
$1,295 USD
View
Price last confirmed 12 days ago
B+
Retailer 22
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£965 GBP
$1,295 USD
View
B+
Retailer 23
-
£991 GBP
$1,330 USD
View
B
Retailer 24
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£1,209 GBP
View
Most Expensive
B
Do Amore Diamonds
27-441C63700 · Nov 2
£1,341 GBP
$1,800 USD
View
24 more retailers have this diamond
Prices start from £139 GBPSave up to £1,202 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
£139 GBP