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Radiant|Lab Grown|IGI

1.49ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG801694509

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

Certificate IGI LG801694509

Diamond specifications and retailer prices

From £552 GBP
$739 USD
As of October 30, 2026
Save £2,165 GBP (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,717 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.49ct lab-grown radiant diamond

This 1.49ct 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 very-good cut grade and certified by IGI LG801694509 or 801694509. Listed at 6 retailers as of October 30, 2026, with prices from £552 to £2,717, a £2,165 spread on the same certified stone. Brilliant Earth lists it at £2,717. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.49
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694509
Dimensions7.90 × 5.54 × 3.87 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
7.90 mm5.54 mm1.49 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694509
Side View
Table 57.0%Crown 45.6°Girdle: ThickPavilion 35.3°Culet: NoneDepth 69.9%

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: £2,717 GBP|Low: £527 GBP|High: £4,015 GBP|Avg: £1,550 GBP|-32.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4£552 GBP
Retailer 2£639 GBP
Retailer 6£688 GBP
Retailer 7£1,194 GBP
Retailer 3£1,411 GBP
Retailer 5£2,467 GBP
Brilliant Earth£2,717 GBP

23 data points across 7 retailers

6 retailers£552 GBP to £2,717 GBP

A
Cheapest Retailer
-
£552 GBP
$739 USD
A
Retailer 2
-
£639 GBP
€816 EUR
View
B+
Retailer 3
-
£688 GBP
$922 USD
View
B
Retailer 4
-
£1,411 GBP
View
Retailer 5
-
£2,467 GBP
$3,305 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21059827Y · Oct 31
£2,717 GBP
$3,640 USD
View
5 more retailers have this diamond
Prices start from £552 GBPSave up to £2,165 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
1.49ct Radiant
£552 GBP