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Radiant|Lab Grown|IGI

1.44ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG787623038

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

Certificate IGI LG787623038

Diamond specifications and retailer prices

From £573 GBP
HK$6,000 HKD
As of October 30, 2026
Save £2,636 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,209 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 LG787623038 or 787623038. Listed at 12 retailers as of October 29, 2026, with prices from £573 to £3,209, a £2,636 spread on the same certified stone. Brilliant Earth lists it at £3,209. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623038
Dimensions8.35 × 5.58 × 3.61 mm
L/W Ratio1.50
Culet sizeLarge
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
8.35 mm5.58 mm1.44 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623038
Side View
Table 63.0%Crown 41.4°Girdle: MediumPavilion 31.9°Culet: LargeDepth 64.7%

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: £3,209 GBP|Low: £573 GBP|High: £3,306 GBP|Avg: £1,529 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12£573 GBP
Retailer 7£662 GBP
Retailer 11£709 GBP
Retailer 6£766 GBP
Retailer 2£781 GBP
Retailer 10£856 GBP
Retailer 9£1,182 GBP
Retailer 8£1,629 GBP
Retailer 3£1,983 GBP
Retailer 5£2,097 GBP
Retailer 4£2,366 GBP
Brilliant Earth£3,209 GBP

42 data points across 12 retailers

12 retailers£573 GBP to £3,209 GBP

A
Cheapest Retailer
-
£573 GBP
HK$6,000 HKD
A
Retailer 2
-
£662 GBP
$887 USD
View
A
Retailer 3
-
£709 GBP
$950 USD
View
Retailer 4
-
£766 GBP
€978 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£781 GBP
View
B+
Retailer 6
-
£856 GBP
$1,147 USD
View
B+
Retailer 7
-
£1,182 GBP
$1,584 USD
View
B
Retailer 8
-
£1,629 GBP
$2,182 USD
View
B
Retailer 9
-
£1,983 GBP
$2,657 USD
View
B
Retailer 10
-
£2,097 GBP
View
Retailer 11
-
£2,366 GBP
$3,170 USD
View
Price last confirmed 72 days ago
Most Expensive
B
Brilliant Earth
19961745A · Oct 29
£3,209 GBP
$4,300 USD
View
11 more retailers have this diamond
Prices start from £573 GBPSave up to £2,636 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
£573 GBP