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Radiant|Lab Grown|IGI

1.44ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG762545399

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

Certificate IGI LG762545399

Diamond specifications and retailer prices

From £626 GBP
$839 USD
As of October 30, 2026
Save £2,553 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,179 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.44ct lab-grown radiant diamond

This 1.44ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545399 or 762545399. Listed at 13 retailers as of October 29, 2026, with prices from £626 to £3,179, a £2,553 spread on the same certified stone. Brilliant Earth lists it at £3,179. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.44
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545399
Dimensions8.26 × 5.58 × 3.56 mm
L/W Ratio1.48
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
8.26 mm5.58 mm1.44 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545399
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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: £3,179 GBP|Low: £626 GBP|High: £3,276 GBP|Avg: £1,444 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
October 30, 2026
Retailer 11£626 GBP
Retailer 10£630 GBP
Retailer 4£652 GBP
Retailer 5£709 GBP
Retailer 9£766 GBP
Retailer 2£781 GBP
Retailer 7£862 GBP
Retailer 3£1,182 GBP
Retailer 12£1,716 GBP
Retailer 13£2,037 GBP
Retailer 6£2,105 GBP
Retailer 8£2,418 GBP
Brilliant Earth£3,179 GBP

42 data points across 13 retailers

13 retailers£626 GBP to £3,179 GBP

A
Cheapest Retailer
-
£626 GBP
$839 USD
A
Retailer 2
-
£630 GBP
HK$6,600 HKD
View
A
Retailer 3
-
£652 GBP
$874 USD
View
A
Retailer 4
-
£709 GBP
$950 USD
View
Retailer 5
-
£766 GBP
€978 EUR
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£781 GBP
View
B+
Retailer 7
-
£862 GBP
ZAR 18,662 ZAR
View
B+
Retailer 8
-
£1,182 GBP
$1,584 USD
View
B
Retailer 9
-
£1,716 GBP
$2,299 USD
View
B
Retailer 10
-
£2,037 GBP
$2,730 USD
View
B
Retailer 11
-
£2,105 GBP
View
Retailer 12
-
£2,418 GBP
$3,240 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
19646868Y · Oct 29
£3,179 GBP
$4,260 USD
View
12 more retailers have this diamond
Prices start from £626 GBPSave up to £2,553 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
1.44ct Radiant
£626 GBP