Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG641494187

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

Certificate IGI LG641494187

Diamond specifications and retailer prices

From €254 EUR
$284 USD
As of October 30, 2026
Save €2,301 EUR (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,555 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.51ct lab-grown radiant diamond

This 1.51ct 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 LG641494187 or 641494187. Listed at 24 retailers as of October 30, 2026, with prices from €254 to €2,555, a €2,301 spread on the same certified stone. Diamond Quarter lists it at €2,555. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641494187
Dimensions8.26 × 5.61 × 3.82 mm
L/W Ratio1.47
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
8.26 mm5.61 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641494187
Side View
Table 61.0%Crown 33.2°Girdle: MediumPavilion 33.1°Culet: NoneDepth 68.1%

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 30
Current: €359 EUR|Low: €244 EUR|High: €2,256 EUR|Avg: €855 EUR|-1.2%
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Retailer 23
November 1, 2026
Retailer 2€254 EUR
Retailer 9€285 EUR
Retailer 23€295 EUR
Retailer 3€316 EUR
Retailer 13€316 EUR
Retailer 1€359 EUR
Retailer 14€447 EUR
Retailer 19€456 EUR
Retailer 8€518 EUR
Retailer 6€549 EUR
Retailer 18€599 EUR
Retailer 12€621 EUR
Retailer 4€709 EUR
Retailer 17€812 EUR
Retailer 22€969 EUR
Retailer 7€1,120 EUR
Retailer 16€1,265 EUR
Retailer 11€1,296 EUR
Retailer 10€1,306 EUR
Retailer 15€1,350 EUR
Retailer 21€1,404 EUR
Retailer 20€1,933 EUR
Retailer 5€2,256 EUR

34 data points across 23 retailers

24 retailers€254 EUR to €2,555 EUR

A
Cheapest Retailer
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€254 EUR
$284 USD
A
Retailer 2
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€285 EUR
$318 USD
View
Final sale: no returns
A
Retailer 3
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€295 EUR
$330 USD
View
Retailer 4
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€316 EUR
$353 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€316 EUR
$353 USD
View
A
Retailer 6
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€359 EUR
£316 GBP
View
A
Retailer 7
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€447 EUR
HK$3,900 HKD
View
A
Retailer 8
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€456 EUR
$510 USD
View
A
Retailer 9
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€518 EUR
$579 USD
View
A
Retailer 10
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€549 EUR
$613 USD
View
A
Retailer 11
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€599 EUR
ZAR 10,803 ZAR
View
A
Retailer 12
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€621 EUR
£546 GBP
View
A
Retailer 13
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€709 EUR
$792 USD
View
A
Retailer 14
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€812 EUR
A$1,396 AUD
View
B+
Retailer 15
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€969 EUR
$1,083 USD
View
B+
Retailer 16
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€1,120 EUR
$1,251 USD
View
B+
Retailer 17
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€1,265 EUR
$1,414 USD
View
B+
Retailer 18
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€1,296 EUR
SGD 1,957 SGD
View
B+
Retailer 19
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€1,306 EUR
$1,459 USD
View
B+
Retailer 20
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€1,350 EUR
£1,188 GBP
View
B+
Retailer 21
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€1,404 EUR
£1,235 GBP
View
Retailer 22
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€1,933 EUR
$2,160 USD
View
Price last confirmed 13 days ago
B
Retailer 23
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€2,256 EUR
$2,520 USD
View
Most Expensive
B
Diamond Quarter
1.51IFELG87DFCEN · Oct 31
€2,555 EUR
£2,248 GBP
View
23 more retailers have this diamond
Prices start from €254 EURSave up to €2,301 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
1.51ct Radiant
€254 EUR