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Radiant|Lab Grown|IGI

1.06ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG689562270

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

Certificate IGI LG689562270

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of October 30, 2026
Save £1,400 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,567 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.06ct lab-grown radiant diamond

This 1.06ct 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 LG689562270 or 689562270. Listed at 21 retailers as of October 30, 2026, with prices from £167 to £1,567, a £1,400 spread on the same certified stone. Brilliant Earth lists it at £1,567. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562270
Dimensions7.22 × 5.17 × 3.43 mm
L/W Ratio1.40
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
7.22 mm5.17 mm1.06 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562270
Side View
Table 66.0%Crown 45.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,567 GBP|Low: £159 GBP|High: £1,866 GBP|Avg: £532 GBP|-16.0%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 3£167 GBP
Retailer 15£186 GBP
Retailer 18£193 GBP
Retailer 7£207 GBP
Retailer 10£207 GBP
Retailer 8£353 GBP
Retailer 16£355 GBP
Retailer 5£382 GBP
Retailer 13£386 GBP
Retailer 2£391 GBP
Retailer 19£451 GBP
Retailer 17£505 GBP
Retailer 6£566 GBP
Retailer 4£665 GBP
Retailer 11£704 GBP
Retailer 12£734 GBP
Retailer 14£774 GBP
Retailer 20£834 GBP
Retailer 9£947 GBP
Brilliant Earth£1,567 GBP

42 data points across 20 retailers

21 retailers£167 GBP to £1,567 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£186 GBP
$249 USD
View
Final sale: no returns
A
Retailer 3
-
£193 GBP
$259 USD
View
A
Retailer 4
-
£207 GBP
$277 USD
View
A
Retailer 5
-
£207 GBP
$277 USD
View
A
Retailer 6
-
£353 GBP
$473 USD
View
A
Retailer 7
-
£355 GBP
ZAR 7,695 ZAR
View
A
Retailer 8
-
£382 GBP
$512 USD
View
A
Retailer 9
-
£386 GBP
View
A
Retailer 10
-
£391 GBP
€499 EUR
View
B+
Retailer 11
-
£451 GBP
$604 USD
View
B+
Retailer 12
-
£505 GBP
A$1,040 AUD
View
B+
Retailer 13
-
£566 GBP
$759 USD
View
B+
Retailer 14
-
£665 GBP
$891 USD
View
B+
Retailer 15
-
£704 GBP
$944 USD
View
B+
Retailer 16
-
£749 GBP
$1,003 USD
View
B+
Retailer 17
-
£774 GBP
A$1,595 AUD
View
B+
Retailer 18
-
£834 GBP
View
B
Retailer 19
-
£947 GBP
$1,269 USD
View
Retailer 20
-
£960 GBP
$1,286 USD
View
Price last confirmed 61 days ago
Most Expensive
B
Brilliant Earth
15932569A · Oct 31
£1,567 GBP
$2,100 USD
View
20 more retailers have this diamond
Prices start from £167 GBPSave up to £1,400 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
1.06ct Radiant
£167 GBP