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Radiant|Lab Grown|IGI

1.05ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG811606075

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

Certificate IGI LG811606075

Diamond specifications and retailer prices

From £239 GBP
$321 USD
As of November 2, 2026
Save £1,616 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,856 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG811606075 or 811606075. Listed at 22 retailers as of October 31, 2026, with prices from £239 to £1,856, a £1,616 spread on the same certified stone. Brilliant Earth lists it at £1,856. 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 angle41.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811606075
Dimensions7.23 × 5.00 × 3.35 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm5.00 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811606075
Side View
Table 65.0%Crown 41.9°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.0%

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: Nov 2
Current: £1,856 GBP|Low: £230 GBP|High: £1,856 GBP|Avg: £638 GBP
Brilliant Earth
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
November 2, 2026
Retailer 4£239 GBP
Retailer 7£267 GBP
Retailer 5£297 GBP
Retailer 3£399 GBP
Retailer 13£414 GBP
Retailer 6£475 GBP
Retailer 10£500 GBP
Retailer 2£512 GBP
Retailer 8£530 GBP
Retailer 12£724 GBP
Retailer 11£810 GBP
Retailer 15£870 GBP
Retailer 14£987 GBP
Retailer 9£1,190 GBP
Brilliant Earth£1,856 GBP

45 data points across 15 retailers

22 retailers£239 GBP to £1,856 GBP

A
Cheapest Retailer
-
£239 GBP
$321 USD
A
Retailer 2
-
£267 GBP
$358 USD
View
Final sale: no returns
A
Retailer 3
-
£278 GBP
$373 USD
View
Retailer 4
-
£297 GBP
$398 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£297 GBP
$398 USD
View
A
Retailer 6
-
£399 GBP
$535 USD
View
A
Retailer 7
-
£414 GBP
$555 USD
View
B+
Retailer 8
-
£469 GBP
$629 USD
View
B+
Retailer 9
-
£475 GBP
$637 USD
View
B+
Retailer 10
-
£500 GBP
€639 EUR
View
B+
Retailer 11
-
£512 GBP
ZAR 11,097 ZAR
View
B+
Retailer 12
-
£530 GBP
View
B+
Retailer 13
-
£724 GBP
A$1,495 AUD
View
B+
Retailer 14
-
£810 GBP
A$1,672 AUD
View
B
Retailer 15
-
£870 GBP
$1,168 USD
View
B
Retailer 16
-
£955 GBP
$1,281 USD
View
B
Retailer 17
-
£987 GBP
$1,325 USD
View
B
Retailer 18
-
£988 GBP
$1,326 USD
View
B
Retailer 19
-
£1,069 GBP
$1,434 USD
View
B
Retailer 20
-
£1,178 GBP
$1,581 USD
View
B
Retailer 21
-
£1,190 GBP
View
Most Expensive
B
Brilliant Earth
20620834A · Oct 31
£1,856 GBP
$2,490 USD
View
21 more retailers have this diamond
Prices start from £239 GBPSave up to £1,616 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
£239 GBP