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Radiant|Lab Grown|IGI

4.42ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG844602157

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

Certificate IGI LG844602157

Diamond specifications and retailer prices

From £2,503 GBP
$3,359 USD
As of October 30, 2026
Save £14,718 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £17,221 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.42ct lab-grown radiant diamond

This 4.42ct 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 LG844602157 or 844602157. Listed at 17 retailers as of October 30, 2026, with prices from £2,503 to £17,221, a £14,718 spread on the same certified stone. Do Amore Diamonds lists it at £17,221. 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

4.42
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844602157
Dimensions11.57 × 8.08 × 5.34 mm
L/W Ratio1.43
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
11.57 mm8.08 mm4.42 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844602157
Side View
Table 64.0%Crown 46.6°Girdle: MED-STKPavilion 32.3°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £17,221 GBP|Low: £2,503 GBP|High: £33,530 GBP|Avg: £7,521 GBP|-2.7%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 3£2,503 GBP
Retailer 14£2,670 GBP
Retailer 2£2,724 GBP
Retailer 18£2,786 GBP
Retailer 5£3,018 GBP
Retailer 4£3,666 GBP
Retailer 8£4,005 GBP
Retailer 17£4,005 GBP
Retailer 12£4,505 GBP
Retailer 16£5,289 GBP
Retailer 11£6,865 GBP
Retailer 13£6,945 GBP
Retailer 7£7,954 GBP
Retailer 9£9,143 GBP
Retailer 6£11,264 GBP
Retailer 15£11,397 GBP
Do Amore Diamonds£17,221 GBP
Retailer 10£17,835 GBP

19 data points across 18 retailers

17 retailers£2,503 GBP to £17,221 GBP

A
Cheapest Retailer
-
£2,503 GBP
$3,359 USD
A
Retailer 2
-
£2,670 GBP
View
A
Retailer 3
-
£2,724 GBP
$3,655 USD
View
A
Retailer 4
-
£2,786 GBP
$3,739 USD
View
A
Retailer 5
-
£3,018 GBP
$4,050 USD
View
A
Retailer 6
-
£3,666 GBP
$4,920 USD
View
A
Retailer 7
-
£4,005 GBP
$5,374 USD
View
A
Retailer 8
-
£4,005 GBP
$5,374 USD
View
A
Retailer 9
-
£4,505 GBP
$6,046 USD
View
A
Retailer 10
-
£5,289 GBP
€6,759 EUR
View
B+
Retailer 11
-
£6,865 GBP
View
B+
Retailer 12
-
£6,945 GBP
A$14,338 AUD
View
B+
Retailer 13
-
£7,954 GBP
$10,674 USD
View
B
Retailer 14
-
£9,143 GBP
$12,270 USD
View
B
Retailer 15
-
£11,264 GBP
$15,116 USD
View
B
Retailer 16
-
£11,397 GBP
A$23,529 AUD
View
Most Expensive
B
Do Amore Diamonds
27-14C844DCF · Oct 31
£17,221 GBP
$23,110 USD
View
16 more retailers have this diamond
Prices start from £2,503 GBPSave up to £14,718 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
4.42ct Radiant
£2,503 GBP