Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG605337352

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

Certificate IGI LG605337352

Diamond specifications and retailer prices

From €260 EUR
$290 USD
As of October 30, 2026
Save €2,130 EUR (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,390 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG605337352 or 605337352. Listed at 24 retailers as of October 30, 2026, with prices from €260 to €2,390, a €2,130 spread on the same certified stone. Brilliant Earth lists it at €2,390. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605337352
Dimensions8.05 × 5.77 × 3.84 mm
L/W Ratio1.40
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
8.05 mm5.77 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605337352
Side View
Table 67.0%Crown 46.9°Girdle: MediumPavilion 36.3°Culet: NoneDepth 66.6%

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: €2,390 EUR|Low: €247 EUR|High: €2,721 EUR|Avg: €891 EUR|-9.8%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 6€260 EUR
Retailer 19€291 EUR
Retailer 3€301 EUR
Retailer 9€322 EUR
Retailer 14€322 EUR
Retailer 22€461 EUR
Retailer 11€529 EUR
Retailer 21€553 EUR
Retailer 8€555 EUR
Retailer 13€569 EUR
Retailer 16€596 EUR
Retailer 20€749 EUR
Retailer 10€865 EUR
Retailer 5€906 EUR
Retailer 7€1,035 EUR
Retailer 15€1,078 EUR
Retailer 17€1,238 EUR
Retailer 18€1,280 EUR
Retailer 2€1,290 EUR
Retailer 12€1,326 EUR
Retailer 4€2,041 EUR
Brilliant Earth€2,390 EUR

36 data points across 22 retailers

24 retailers€260 EUR to €2,390 EUR

A
Cheapest Retailer
-
€260 EUR
$290 USD
A
Retailer 2
-
€291 EUR
$325 USD
View
Final sale: no returns
A
Retailer 3
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€301 EUR
$336 USD
View
Retailer 4
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€322 EUR
$360 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€322 EUR
$360 USD
View
A
Retailer 6
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€461 EUR
$515 USD
View
A
Retailer 7
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€529 EUR
$591 USD
View
A
Retailer 8
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€553 EUR
ZAR 9,982 ZAR
View
A
Retailer 9
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€555 EUR
$620 USD
View
A
Retailer 10
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€569 EUR
£501 GBP
View
A
Retailer 11
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€596 EUR
View
A
Retailer 12
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€749 EUR
A$1,287 AUD
View
A
Retailer 13
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€865 EUR
$966 USD
View
B+
Retailer 14
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€906 EUR
$1,012 USD
View
B+
Retailer 15
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€1,035 EUR
$1,156 USD
View
B+
Retailer 16
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€1,060 EUR
$1,184 USD
View
B+
Retailer 17
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€1,078 EUR
$1,205 USD
View
B+
Retailer 18
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€1,183 EUR
$1,322 USD
View
B+
Retailer 19
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€1,238 EUR
$1,383 USD
View
B+
Retailer 20
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€1,277 EUR
£1,123 GBP
View
B+
Retailer 21
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€1,280 EUR
A$2,200 AUD
View
B+
Retailer 22
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€1,290 EUR
£1,135 GBP
View
B+
Retailer 23
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€1,326 EUR
$1,481 USD
View
Most Expensive
B
Brilliant Earth
14717190A · Oct 31
€2,390 EUR
$2,670 USD
View
23 more retailers have this diamond
Prices start from €260 EURSave up to €2,130 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
€260 EUR