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Radiant|Lab Grown|IGI

4.49ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG760565781

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

Certificate IGI LG760565781

Diamond specifications and retailer prices

From £3,203 GBP
$4,291 USD
As of November 1, 2026
Save £17,187 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £20,390 GBP at Zales · As of October 30, 2026
View at Zales

About this 4.49ct lab-grown radiant diamond

This 4.49ct 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 LG760565781 or 760565781. Listed at 21 retailers as of October 30, 2026, with prices from £3,203 to £20,390, a £17,187 spread on the same certified stone. Zales lists it at £20,390. 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

4.49
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760565781
Dimensions11.74 × 8.18 × 5.38 mm
L/W Ratio1.44
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
11.74 mm8.18 mm4.49 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760565781
Side View
Table 64.0%Crown 42.4°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.8%

Caratlytics Score

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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: Nov 1
Current: £4,700 GBP|Low: £3,203 GBP|High: £20,643 GBP|Avg: £7,834 GBP|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Zales
November 2, 2026
Retailer 7£3,203 GBP
Retailer 19£3,317 GBP
Retailer 13£3,687 GBP
Retailer 21£3,773 GBP
Retailer 11£3,842 GBP
Retailer 20£4,400 GBP
Retailer 1£4,700 GBP
Retailer 2£4,721 GBP
Retailer 9£5,152 GBP
Retailer 16£5,641 GBP
Retailer 10£6,056 GBP
Retailer 12£7,583 GBP
Retailer 17£7,793 GBP
Retailer 15£7,986 GBP
Retailer 14£8,028 GBP
Retailer 3£9,133 GBP
Retailer 5£9,973 GBP
Retailer 6£13,035 GBP
Retailer 8£18,159 GBP
Retailer 4£19,673 GBP
Retailer 18£20,390 GBP
Zales£20,390 GBP

37 data points across 22 retailers

21 retailers£3,203 GBP to £20,390 GBP

A
Cheapest Retailer
-
£3,203 GBP
$4,291 USD
Final sale: no returns
A
Retailer 2
-
£3,317 GBP
$4,445 USD
View
Retailer 3
-
£3,471 GBP
$4,651 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£3,773 GBP
$5,055 USD
View
Retailer 5
-
£3,789 GBP
$5,077 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
£4,400 GBP
$5,895 USD
View
A
Retailer 7
-
£4,700 GBP
View
A
Retailer 8
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£4,721 GBP
$6,326 USD
View
A
Retailer 9
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£5,152 GBP
View
A
Retailer 10
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£5,641 GBP
€7,198 EUR
View
Retailer 11
-
£6,056 GBP
$8,115 USD
View
Price last confirmed 35 days ago
B+
Retailer 12
-
£7,583 GBP
View
B+
Retailer 13
-
£7,793 GBP
ZAR 168,698 ZAR
View
B+
Retailer 14
-
£7,986 GBP
A$16,462 AUD
View
B+
Retailer 15
-
£9,133 GBP
$12,237 USD
View
B+
Retailer 16
-
£9,973 GBP
$13,363 USD
View
B
Retailer 17
-
£13,035 GBP
$17,465 USD
View
B
Retailer 18
-
£18,159 GBP
$24,331 USD
View
B
Retailer 19
-
£19,673 GBP
$26,360 USD
View
B
Retailer 20
-
£20,390 GBP
$27,320 USD
View
Most Expensive
B
Zales
529500210 · Oct 30
£20,390 GBP
$27,320 USD
View
20 more retailers have this diamond
Prices start from £3,203 GBPSave up to £17,187 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
4.49ct Radiant
£3,203 GBP