Radiant|Lab Grown|IGI

3.26ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG822623002

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

Certificate IGI LG822623002

Diamond specifications and retailer prices

From £858 GBP
$1,149 USD
As of October 30, 2026
Save £8,449 GBP (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £9,307 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.26ct lab-grown radiant diamond

This 3.26ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG822623002 or 822623002. Listed at 14 retailers as of October 29, 2026, with prices from £858 to £9,307, a £8,449 spread on the same certified stone. Brilliant Earth lists it at £9,307. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.26
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822623002
Dimensions10.24 × 7.29 × 5.17 mm
L/W Ratio1.40
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
10.24 mm7.29 mm3.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822623002
Side View
Table 61.0%Crown 40.3°Girdle: ThickPavilion 36.7°Culet: NoneDepth 70.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £9,307 GBP|Low: £858 GBP|High: £9,590 GBP|Avg: £3,748 GBP|-3.0%
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
October 30, 2026
Retailer 2£858 GBP
Retailer 14£963 GBP
Retailer 5£1,157 GBP
Retailer 12£1,630 GBP
Retailer 15£1,841 GBP
Retailer 9£1,932 GBP
Retailer 13£2,023 GBP
Retailer 11£2,058 GBP
Retailer 3£2,608 GBP
Retailer 10£3,546 GBP
Retailer 4£4,060 GBP
Retailer 7£4,602 GBP
Retailer 6£5,422 GBP
Retailer 8£7,613 GBP
Brilliant Earth£9,307 GBP

31 data points across 15 retailers

14 retailers£858 GBP to £9,307 GBP

A
Cheapest Retailer
-
£858 GBP
$1,149 USD
A
Retailer 2
-
£963 GBP
$1,290 USD
View
A
Retailer 3
-
£1,157 GBP
$1,550 USD
View
A
Retailer 4
-
£1,630 GBP
$2,184 USD
View
A
Retailer 5
-
£1,841 GBP
€2,349 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
£1,932 GBP
$2,588 USD
View
A
Retailer 7
-
£2,023 GBP
$2,711 USD
View
A
Retailer 8
-
£2,058 GBP
$2,757 USD
View
Retailer 9
-
£2,608 GBP
A$5,377 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£3,546 GBP
View
Retailer 11
-
£4,060 GBP
$5,440 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£5,422 GBP
A$11,176 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
£7,613 GBP
$10,200 USD
View
Most Expensive
B
Brilliant Earth
21060695Y · Oct 29
£9,307 GBP
$12,470 USD
View
13 more retailers have this diamond
Prices start from £858 GBPSave up to £8,449 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
3.26ct Radiant
£858 GBP