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Radiant|Lab Grown|IGI

4.40ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754594437

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

Certificate IGI LG754594437

Diamond specifications and retailer prices

From £2,493 GBP
$3,345 USD
As of November 2, 2026
Save £14,654 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £17,147 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG754594437 or 754594437. Listed at 17 retailers as of November 2, 2026, with prices from £2,493 to £17,147, a £14,654 spread on the same certified stone. Do Amore Diamonds lists it at £17,147. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594437
Dimensions11.60 × 8.27 × 5.34 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
11.60 mm8.27 mm4.40 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594437
Side View
Table 69.0%Crown 38.5°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 64.6%

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: £17,147 GBP|Low: £2,493 GBP|High: £18,049 GBP|Avg: £6,320 GBP|-5.0%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 2, 2026
Retailer 17£2,493 GBP
Retailer 10£2,712 GBP
Retailer 16£2,775 GBP
Retailer 4£3,007 GBP
Retailer 8£3,094 GBP
Retailer 3£3,637 GBP
Retailer 6£3,988 GBP
Retailer 15£3,988 GBP
Retailer 12£4,488 GBP
Retailer 2£5,264 GBP
Retailer 9£5,411 GBP
Retailer 11£6,836 GBP
Retailer 13£6,913 GBP
Retailer 5£7,919 GBP
Retailer 7£9,106 GBP
Retailer 14£11,344 GBP
Do Amore Diamonds£17,147 GBP

36 data points across 17 retailers

17 retailers£2,493 GBP to £17,147 GBP

A
Cheapest Retailer
-
£2,493 GBP
$3,345 USD
A
Retailer 2
-
£2,712 GBP
$3,639 USD
View
A
Retailer 3
-
£2,775 GBP
$3,724 USD
View
A
Retailer 4
-
£3,007 GBP
$4,035 USD
View
A
Retailer 5
-
£3,094 GBP
$4,152 USD
View
Final sale: no returns
A
Retailer 6
-
£3,637 GBP
$4,880 USD
View
A
Retailer 7
-
£3,988 GBP
$5,352 USD
View
A
Retailer 8
-
£3,988 GBP
$5,352 USD
View
A
Retailer 9
-
£4,488 GBP
$6,022 USD
View
A
Retailer 10
-
£5,264 GBP
€6,727 EUR
View
Retailer 11
-
£5,411 GBP
$7,261 USD
View
Price last confirmed 91 days ago
B+
Retailer 12
-
£6,836 GBP
View
B+
Retailer 13
-
£6,913 GBP
A$14,273 AUD
View
B+
Retailer 14
-
£7,919 GBP
$10,627 USD
View
B+
Retailer 15
-
£9,106 GBP
$12,220 USD
View
B
Retailer 16
-
£11,344 GBP
A$23,419 AUD
View
Most Expensive
B
Do Amore Diamonds
27-57BE81F1F · Nov 2
£17,147 GBP
$23,010 USD
View
16 more retailers have this diamond
Prices start from £2,493 GBPSave up to £14,654 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
£2,493 GBP