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Radiant|Lab Grown|IGI

1.79ct E FL Radiant Lab Grown Diamond

EX • E/FL

Diamond specifications and retailer prices

From £339 GBP
$454 USD
As of October 30, 2026
Save £1,917 GBP (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,255 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.79ct lab-grown radiant diamond

This 1.79ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from £339 to £2,255, a £1,917 spread on the same certified stone. Blue Nile lists it at £2,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.25 × 6.01 × 4.02 mm
L/W Ratio1.37
Top View
8.25 mm6.01 mm1.79 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.9%

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: £2,255 GBP|Low: £339 GBP|High: £3,479 GBP|Avg: £1,478 GBP|-19.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2£339 GBP
Retailer 5£379 GBP
Retailer 3£608 GBP
Retailer 4£1,219 GBP
Blue Nile£2,255 GBP
Retailer 6£3,479 GBP

11 data points across 6 retailers

5 retailers£339 GBP to £2,255 GBP

A
Cheapest Retailer
-
£339 GBP
$454 USD
A
Retailer 2
-
£379 GBP
$508 USD
View
A
Retailer 3
-
£608 GBP
$815 USD
View
B+
Retailer 4
-
£1,219 GBP
$1,633 USD
View
Most Expensive
B
Blue Nile
30352996 · Oct 31
£2,255 GBP
$3,022 USD
View
4 more retailers have this diamond
Prices start from £339 GBPSave up to £1,917 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
1.79ct Radiant
£339 GBP