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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG657416404

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

Certificate IGI LG657416404

Diamond specifications and retailer prices

From £204 GBP
$272 USD
As of October 27, 2026
Save £2,406 GBP (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,610 GBP at Yadav Diamonds · As of October 29, 2026
View at Yadav Diamonds

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG657416404 or 657416404. Listed at 22 retailers as of October 27, 2026, with prices from £204 to £2,610, a £2,406 spread on the same certified stone. Yadav Diamonds lists it at £2,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657416404
Dimensions8.16 × 5.67 × 3.89 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
8.16 mm5.67 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657416404
Side View
Table 65.0%Crown 47.2°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 68.6%

Caratlytics Score

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A+
Exceptional
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 27
Current: £494 GBP|Low: £204 GBP|High: £2,320 GBP|Avg: £737 GBP|-6.4%
Retailer 1
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Retailer 19
October 29, 2026
Retailer 10£204 GBP
Retailer 4£228 GBP
Retailer 2£237 GBP
Retailer 8£253 GBP
Retailer 15£253 GBP
Retailer 19£338 GBP
Retailer 14£372 GBP
Retailer 13£480 GBP
Retailer 1£494 GBP
Retailer 18£508 GBP
Retailer 3£651 GBP
Retailer 12£651 GBP
Retailer 17£722 GBP
Retailer 7£898 GBP
Retailer 6£973 GBP
Retailer 9£1,022 GBP
Retailer 16£1,122 GBP
Retailer 5£1,810 GBP
Retailer 11£2,238 GBP

26 data points across 19 retailers

22 retailers£204 GBP to £2,610 GBP

A+
Cheapest Retailer
-
£204 GBP
$272 USD
A
Retailer 2
-
£228 GBP
$304 USD
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
$315 USD
View
A
Retailer 4
-
£253 GBP
$337 USD
View
A
Retailer 5
-
£253 GBP
$337 USD
View
B+
Retailer 6
-
£338 GBP
$450 USD
View
A
Retailer 7
-
£372 GBP
$495 USD
View
A
Retailer 8
-
£480 GBP
ZAR 10,328 ZAR
View
A
Retailer 9
-
£494 GBP
View
A
Retailer 10
-
£508 GBP
$677 USD
View
A
Retailer 11
-
£651 GBP
$867 USD
View
A
Retailer 12
-
£651 GBP
A$1,334 AUD
View
A
Retailer 13
-
£722 GBP
$962 USD
View
B+
Retailer 14
-
£898 GBP
$1,196 USD
View
B+
Retailer 15
-
£973 GBP
$1,296 USD
View
B+
Retailer 16
-
£1,022 GBP
$1,360 USD
View
B+
Retailer 17
-
£1,079 GBP
View
B+
Retailer 18
-
£1,122 GBP
View
B+
Retailer 19
-
£1,810 GBP
$2,410 USD
View
B
Retailer 20
-
£2,238 GBP
$2,980 USD
View
B
Retailer 21
-
£2,448 GBP
$3,260 USD
View
Most Expensive
B
Yadav Diamonds
13004489 · Oct 29
£2,610 GBP
$3,476 USD
View
21 more retailers have this diamond
Prices start from £204 GBPSave up to £2,406 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+
1.59ct Radiant
£204 GBP