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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 €243 EUR
$272 USD
As of October 30, 2026
Save €2,288 EUR (90%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €2,531 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 30, 2026, with prices from €243 to €2,531, a €2,288 spread on the same certified stone. Diamond Quarter lists it at €2,531. 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
Color
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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Price History

Last verified: Oct 30
Current: €547 EUR|Low: €243 EUR|High: €2,667 EUR|Avg: €994 EUR|-1.2%
Retailer 1
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Retailer 22
October 31, 2026
Retailer 4€243 EUR
Retailer 20€290 EUR
Retailer 3€443 EUR
Retailer 13€447 EUR
Retailer 5€473 EUR
Retailer 10€539 EUR
Retailer 1€547 EUR
Retailer 21€573 EUR
Retailer 12€592 EUR
Retailer 11€751 EUR
Retailer 6€776 EUR
Retailer 19€777 EUR
Retailer 2€928 EUR
Retailer 8€1,162 EUR
Retailer 14€1,219 EUR
Retailer 7€1,272 EUR
Retailer 15€1,306 EUR
Retailer 18€1,344 EUR
Retailer 17€1,350 EUR
Retailer 22€1,920 EUR
Retailer 9€2,166 EUR
Retailer 16€2,211 EUR

38 data points across 22 retailers

31 retailers€243 EUR to €2,531 EUR

A
Cheapest Retailer
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€243 EUR
$272 USD
Retailer 2
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€243 EUR
$272 USD
View
Price last confirmed 24 days ago
Retailer 3
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€254 EUR
$284 USD
View
Price last confirmed 32 days ago
A
Retailer 4
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€290 EUR
$324 USD
View
Final sale: no returns
Retailer 5
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€294 EUR
$329 USD
View
Price last confirmed 34 days ago
Retailer 6
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€303 EUR
$338 USD
View
Price last confirmed 29 days ago
Retailer 7
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€311 EUR
$347 USD
View
Price last confirmed 33 days ago
A
Retailer 8
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€443 EUR
$495 USD
View
A
Retailer 9
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€447 EUR
HK$3,900 HKD
View
A
Retailer 10
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€473 EUR
$528 USD
View
A
Retailer 11
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€539 EUR
$602 USD
View
A
Retailer 12
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€547 EUR
View
A
Retailer 13
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€573 EUR
ZAR 10,343 ZAR
View
A
Retailer 14
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€592 EUR
£521 GBP
View
A
Retailer 15
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€751 EUR
$840 USD
View
A
Retailer 16
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€776 EUR
$867 USD
View
A
Retailer 17
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€777 EUR
A$1,336 AUD
View
B+
Retailer 18
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€928 EUR
$1,037 USD
View
Retailer 19
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€1,072 EUR
$1,198 USD
View
Price last confirmed 21 days ago
B+
Retailer 20
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€1,072 EUR
$1,198 USD
View
Retailer 21
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€1,117 EUR
$1,248 USD
View
Price last confirmed 31 days ago
B+
Retailer 22
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€1,162 EUR
$1,298 USD
View
B+
Retailer 23
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€1,219 EUR
$1,362 USD
View
B+
Retailer 24
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€1,272 EUR
$1,421 USD
View
B+
Retailer 25
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€1,306 EUR
SGD 1,972 SGD
View
B+
Retailer 26
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€1,344 EUR
£1,182 GBP
View
B+
Retailer 27
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€1,350 EUR
A$2,321 AUD
View
Retailer 28
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€1,920 EUR
$2,145 USD
View
Price last confirmed 13 days ago
B
Retailer 29
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€2,166 EUR
$2,420 USD
View
B
Retailer 30
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€2,211 EUR
$2,470 USD
View
Most Expensive
B
Diamond Quarter
1.59IFELG58D747N · Oct 31
€2,531 EUR
£2,227 GBP
View
30 more retailers have this diamond
Prices start from €243 EURSave up to €2,288 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
€243 EUR