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Radiant|Lab Grown|IGI

4.40ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG739532907

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

Certificate IGI LG739532907

Diamond specifications and retailer prices

From £2,796 GBP
$3,752 USD
As of October 30, 2026
Save £14,249 GBP (84%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £17,045 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 4.4ct lab-grown radiant diamond

This 4.4ct 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 LG739532907 or 739532907. Listed at 30 retailers as of October 30, 2026, with prices from £2,796 to £17,045, a £14,249 spread on the same certified stone. With Clarity lists it at £17,045. 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

4.40
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739532907
Dimensions11.38 × 8.25 × 5.45 mm
L/W Ratio1.38
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
11.38 mm8.25 mm4.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739532907
Side View
Table 64.0%Crown 42.3°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.1%

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: Oct 30
Current: £4,209 GBP|Low: £2,796 GBP|High: £17,045 GBP|Avg: £6,486 GBP|-8.0%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 2, 2026
Retailer 6£2,796 GBP
Retailer 4£3,109 GBP
Retailer 21£3,290 GBP
Retailer 12£3,679 GBP
Retailer 8£4,035 GBP
Retailer 19£4,052 GBP
Retailer 1£4,209 GBP
Retailer 3£4,301 GBP
Retailer 2£4,762 GBP
Retailer 16£4,956 GBP
Retailer 11£4,986 GBP
Retailer 20£5,264 GBP
Retailer 13£6,902 GBP
Retailer 15£6,947 GBP
Retailer 17£7,032 GBP
Retailer 5£8,170 GBP
Retailer 7£9,004 GBP
Retailer 14£9,106 GBP
Retailer 18£11,344 GBP
Retailer 10£11,462 GBP
Retailer 9£11,672 GBP
With Clarity£17,045 GBP

34 data points across 22 retailers

30 retailers£2,796 GBP to £17,045 GBP

A
Cheapest Retailer
-
£2,796 GBP
$3,752 USD
Retailer 2
-
£2,928 GBP
$3,929 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£2,928 GBP
$3,929 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£3,068 GBP
$4,117 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
£3,109 GBP
$4,172 USD
View
A
Retailer 6
-
£3,290 GBP
$4,415 USD
View
Retailer 7
-
£3,350 GBP
$4,495 USD
View
Price last confirmed 36 days ago
Retailer 8
-
£3,397 GBP
$4,558 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
£3,679 GBP
$4,937 USD
View
Final sale: no returns
A
Retailer 10
-
£4,035 GBP
HK$42,300 HKD
View
A
Retailer 11
-
£4,052 GBP
$5,438 USD
View
A
Retailer 12
-
£4,209 GBP
View
Retailer 13
-
£4,244 GBP
$5,695 USD
View
Price last confirmed 23 days ago
Retailer 14
-
£4,244 GBP
$5,695 USD
View
Price last confirmed 32 days ago
A
Retailer 15
-
£4,301 GBP
$5,772 USD
View
A
Retailer 16
-
£4,762 GBP
$6,390 USD
View
A
Retailer 17
-
£4,956 GBP
$6,650 USD
View
A
Retailer 18
-
£4,986 GBP
View
A
Retailer 19
-
£5,264 GBP
€6,728 EUR
View
B+
Retailer 20
-
£6,902 GBP
ZAR 149,630 ZAR
View
B+
Retailer 21
-
£6,947 GBP
View
B+
Retailer 22
-
£7,032 GBP
A$14,517 AUD
View
B+
Retailer 23
-
£8,170 GBP
$10,964 USD
View
B+
Retailer 24
-
£9,004 GBP
$12,083 USD
View
B
Retailer 25
-
£9,089 GBP
$12,197 USD
View
B+
Retailer 26
-
£9,106 GBP
$12,220 USD
View
B
Retailer 27
-
£11,344 GBP
A$23,419 AUD
View
B
Retailer 28
-
£11,462 GBP
$15,382 USD
View
B
Retailer 29
-
£11,672 GBP
SGD 21,166 SGD
View
Most Expensive
B
With Clarity
739532907 · Nov 2
£17,045 GBP
$22,873 USD
View
29 more retailers have this diamond
Prices start from £2,796 GBPSave up to £14,249 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
4.40ct Radiant
£2,796 GBP