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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG604312858

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

Certificate IGI LG604312858

Diamond specifications and retailer prices

From €244 EUR
$272 USD
As of October 27, 2026
Save €2,433 EUR (91%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €2,677 EUR 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 LG604312858 or 604312858. Listed at 31 retailers as of October 27, 2026, with prices from €244 to €2,677, a €2,433 spread on the same certified stone. Brilliant Earth lists it at €2,677. 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 angle39.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604312858
Dimensions8.30 × 5.95 × 3.89 mm
L/W Ratio1.39
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
8.30 mm5.95 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604312858
Side View
Table 64.0%Crown 39.5°Girdle: MediumPavilion 35.4°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: €2,677 EUR|Low: €244 EUR|High: €2,677 EUR|Avg: €978 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
October 30, 2026
Retailer 4€244 EUR
Retailer 17€291 EUR
Retailer 22€445 EUR
Retailer 12€449 EUR
Retailer 5€474 EUR
Retailer 10€541 EUR
Retailer 20€548 EUR
Retailer 18€575 EUR
Retailer 2€594 EUR
Retailer 11€754 EUR
Retailer 6€779 EUR
Retailer 16€780 EUR
Retailer 21€932 EUR
Retailer 8€1,166 EUR
Retailer 14€1,224 EUR
Retailer 7€1,277 EUR
Retailer 15€1,311 EUR
Retailer 13€1,349 EUR
Retailer 3€1,375 EUR
Retailer 19€1,927 EUR
Retailer 9€2,174 EUR
Brilliant Earth€2,677 EUR

39 data points across 22 retailers

31 retailers€244 EUR to €2,677 EUR

A
Cheapest Retailer
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€244 EUR
$272 USD
Retailer 2
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€244 EUR
$272 USD
View
Price last confirmed 21 days ago
Retailer 3
-
€255 EUR
$284 USD
View
Price last confirmed 30 days ago
A
Retailer 4
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€291 EUR
$324 USD
View
Final sale: no returns
Retailer 5
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€296 EUR
$329 USD
View
Price last confirmed 32 days ago
Retailer 6
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€304 EUR
$338 USD
View
Price last confirmed 26 days ago
Retailer 7
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€312 EUR
$347 USD
View
Price last confirmed 31 days ago
A
Retailer 8
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€445 EUR
$495 USD
View
A
Retailer 9
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€449 EUR
HK$3,900 HKD
View
A
Retailer 10
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€474 EUR
$528 USD
View
A
Retailer 11
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€541 EUR
$602 USD
View
A
Retailer 12
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€548 EUR
View
A
Retailer 13
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€575 EUR
ZAR 10,343 ZAR
View
A
Retailer 14
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€594 EUR
£521 GBP
View
A
Retailer 15
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€754 EUR
$840 USD
View
A
Retailer 16
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€779 EUR
$867 USD
View
A
Retailer 17
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€780 EUR
A$1,336 AUD
View
A
Retailer 18
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€932 EUR
$1,037 USD
View
Retailer 19
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€1,076 EUR
$1,198 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
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€1,076 EUR
$1,198 USD
View
Retailer 21
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€1,121 EUR
$1,248 USD
View
Price last confirmed 29 days ago
B+
Retailer 22
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€1,166 EUR
$1,298 USD
View
B+
Retailer 23
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€1,224 EUR
$1,362 USD
View
B+
Retailer 24
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€1,277 EUR
$1,421 USD
View
B+
Retailer 25
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€1,311 EUR
SGD 1,972 SGD
View
B+
Retailer 26
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€1,349 EUR
£1,182 GBP
View
Retailer 27
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€1,375 EUR
A$2,354 AUD
View
Price last confirmed 21 days ago
Retailer 28
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€1,927 EUR
$2,145 USD
View
Price last confirmed 11 days ago
B
Retailer 29
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€2,174 EUR
$2,420 USD
View
B
Retailer 30
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€2,541 EUR
£2,227 GBP
View
Most Expensive
B
Brilliant Earth
10094170Y · Oct 29
€2,677 EUR
$2,980 USD
View
30 more retailers have this diamond
Prices start from €244 EURSave up to €2,433 EUR

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
€244 EUR