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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG665410217

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

Certificate IGI LG665410217

Diamond specifications and retailer prices

From €270 EUR
$300 USD
As of October 27, 2026
Save €2,417 EUR (90%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: €2,686 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 LG665410217 or 665410217. Listed at 32 retailers as of October 27, 2026, with prices from €270 to €2,686, a €2,417 spread on the same certified stone. Brilliant Earth lists it at €2,686. 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 angle42.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665410217
Dimensions8.50 × 5.71 × 3.74 mm
L/W Ratio1.49
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
8.50 mm5.71 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665410217
Side View
Table 63.0%Crown 42.9°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
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: €2,686 EUR|Low: €270 EUR|High: €2,686 EUR|Avg: €967 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
October 30, 2026
Retailer 3€270 EUR
Retailer 16€321 EUR
Retailer 10€391 EUR
Retailer 4€474 EUR
Retailer 18€476 EUR
Retailer 21€548 EUR
Retailer 8€571 EUR
Retailer 17€575 EUR
Retailer 2€594 EUR
Retailer 9€754 EUR
Retailer 13€780 EUR
Retailer 5€1,001 EUR
Retailer 22€1,029 EUR
Retailer 15€1,114 EUR
Retailer 12€1,119 EUR
Retailer 14€1,128 EUR
Retailer 7€1,288 EUR
Retailer 19€1,343 EUR
Retailer 6€1,361 EUR
Retailer 11€1,368 EUR
Retailer 20€2,040 EUR
Brilliant Earth€2,686 EUR

37 data points across 22 retailers

32 retailers€270 EUR to €2,686 EUR

A
Cheapest Retailer
-
€270 EUR
$300 USD
Retailer 2
-
€270 EUR
$300 USD
View
Price last confirmed 21 days ago
Retailer 3
-
€281 EUR
$313 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
€321 EUR
$357 USD
View
Final sale: no returns
Retailer 5
-
€326 EUR
$363 USD
View
Price last confirmed 32 days ago
Retailer 6
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€335 EUR
$373 USD
View
Price last confirmed 26 days ago
Retailer 7
-
€344 EUR
$383 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
€391 EUR
HK$3,400 HKD
View
A
Retailer 9
-
€474 EUR
$528 USD
View
A
Retailer 10
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€476 EUR
$530 USD
View
A
Retailer 11
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€548 EUR
View
A
Retailer 12
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€571 EUR
$635 USD
View
A
Retailer 13
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€575 EUR
ZAR 10,343 ZAR
View
Retailer 14
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€587 EUR
£515 GBP
View
Price last confirmed 14 days ago
A
Retailer 15
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€594 EUR
£521 GBP
View
A
Retailer 16
-
€754 EUR
$840 USD
View
A
Retailer 17
-
€780 EUR
A$1,336 AUD
View
A
Retailer 18
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€1,001 EUR
$1,114 USD
View
B+
Retailer 19
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€1,029 EUR
$1,145 USD
View
Retailer 20
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€1,076 EUR
$1,198 USD
View
Price last confirmed 19 days ago
B+
Retailer 21
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€1,076 EUR
$1,198 USD
View
B+
Retailer 22
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€1,114 EUR
$1,240 USD
View
B+
Retailer 23
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€1,119 EUR
$1,245 USD
View
Retailer 24
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€1,121 EUR
$1,248 USD
View
Price last confirmed 29 days ago
B+
Retailer 25
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€1,128 EUR
SGD 1,697 SGD
View
B+
Retailer 26
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€1,288 EUR
$1,433 USD
View
B+
Retailer 27
-
€1,343 EUR
£1,177 GBP
View
B+
Retailer 28
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€1,361 EUR
$1,514 USD
View
Retailer 29
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€1,368 EUR
A$2,343 AUD
View
Price last confirmed 24 days ago
Retailer 30
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€2,040 EUR
$2,270 USD
View
Price last confirmed 11 days ago
B
Retailer 31
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€2,541 EUR
£2,227 GBP
View
Most Expensive
B
Brilliant Earth
12598535A · Oct 29
€2,686 EUR
$2,990 USD
View
31 more retailers have this diamond
Prices start from €270 EURSave up to €2,417 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
€270 EUR