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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG633404266

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

Certificate IGI LG633404266

Diamond specifications and retailer prices

From £204 GBP
$272 USD
As of October 27, 2026
Save £2,034 GBP (91%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,238 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG633404266 or 633404266. Listed at 31 retailers as of October 27, 2026, with prices from £204 to £2,238, a £2,034 spread on the same certified stone. Brilliant Earth lists it at £2,238. 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 angle39.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633404266
Dimensions8.77 × 5.84 × 3.82 mm
L/W Ratio1.50
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
8.77 mm5.84 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633404266
Side View
Table 61.0%Crown 39.4°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 65.4%

Caratlytics Score

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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 27
Current: £2,238 GBP|Low: £204 GBP|High: £2,238 GBP|Avg: £820 GBP
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 3£204 GBP
Retailer 17£243 GBP
Retailer 12£375 GBP
Retailer 4£396 GBP
Retailer 19£398 GBP
Retailer 10£452 GBP
Retailer 21£458 GBP
Retailer 18£481 GBP
Retailer 2£495 GBP
Retailer 11£630 GBP
Retailer 6£651 GBP
Retailer 16£652 GBP
Retailer 22£779 GBP
Retailer 8£975 GBP
Retailer 14£1,023 GBP
Retailer 7£1,067 GBP
Retailer 15£1,096 GBP
Retailer 13£1,127 GBP
Retailer 5£1,149 GBP
Retailer 20£1,611 GBP
Retailer 9£1,817 GBP
Brilliant Earth£2,238 GBP

40 data points across 22 retailers

31 retailers£204 GBP to £2,238 GBP

A
Cheapest Retailer
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£204 GBP
$272 USD
A
Retailer 2
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£204 GBP
$272 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
£213 GBP
$284 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£243 GBP
$324 USD
View
Final sale: no returns
A
Retailer 5
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£247 GBP
$329 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
£254 GBP
$338 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
£261 GBP
$347 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
£375 GBP
HK$3,900 HKD
View
A
Retailer 9
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£396 GBP
$528 USD
View
A
Retailer 10
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£398 GBP
$530 USD
View
A
Retailer 11
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£452 GBP
$602 USD
View
A
Retailer 12
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£458 GBP
€581 EUR
View
A
Retailer 13
-
£481 GBP
ZAR 10,343 ZAR
View
A
Retailer 14
-
£495 GBP
View
A
Retailer 15
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£630 GBP
$840 USD
View
A
Retailer 16
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£651 GBP
$867 USD
View
A
Retailer 17
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£652 GBP
A$1,336 AUD
View
A
Retailer 18
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£779 GBP
$1,037 USD
View
B+
Retailer 19
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£900 GBP
$1,198 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
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£900 GBP
$1,198 USD
View
B+
Retailer 21
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£937 GBP
$1,248 USD
View
Price last confirmed 29 days ago
B+
Retailer 22
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£975 GBP
$1,298 USD
View
B+
Retailer 23
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£1,023 GBP
$1,362 USD
View
B+
Retailer 24
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£1,067 GBP
$1,421 USD
View
B+
Retailer 25
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£1,096 GBP
SGD 1,972 SGD
View
B+
Retailer 26
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£1,127 GBP
View
B+
Retailer 27
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£1,149 GBP
A$2,354 AUD
View
Price last confirmed 24 days ago
B+
Retailer 28
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£1,611 GBP
$2,145 USD
View
Price last confirmed 11 days ago
B
Retailer 29
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£1,817 GBP
$2,420 USD
View
B
Retailer 30
-
£2,124 GBP
View
Most Expensive
B
Brilliant Earth
11204182Y · Oct 29
£2,238 GBP
$2,980 USD
View
30 more retailers have this diamond
Prices start from £204 GBPSave up to £2,034 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