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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG526289099

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

Certificate IGI LG526289099

Diamond specifications and retailer prices

From €280 EUR
As of November 4, 2026
Save €1,368 EUR (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,648 EUR at Brilliant Earth · As of November 4, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526289099 or 526289099. Listed at 21 retailers as of November 4, 2026, with prices from €280 to €1,648, a €1,368 spread on the same certified stone. Brilliant Earth lists it at €1,648. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526289099
Dimensions8.09 × 5.57 × 3.86 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.09 mm5.57 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526289099
Side View
Table 64.5%Crown 42.8°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €1,648 EUR|Low: €268 EUR|High: €1,728 EUR|Avg: €776 EUR|-4.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 19€280 EUR
Retailer 10€313 EUR
Retailer 6€324 EUR
Retailer 7€347 EUR
Retailer 20€347 EUR
Retailer 8€486 EUR
Retailer 18€486 EUR
Retailer 5€564 EUR
Retailer 9€576 EUR
Retailer 15€598 EUR
Retailer 2€612 EUR
Retailer 14€814 EUR
Retailer 17€1,017 EUR
Retailer 4€1,115 EUR
Retailer 12€1,156 EUR
Retailer 3€1,334 EUR
Retailer 16€1,344 EUR
Retailer 13€1,385 EUR
Retailer 11€1,387 EUR
Brilliant Earth€1,648 EUR

45 data points across 20 retailers

21 retailers€280 EUR to €1,648 EUR

A
Cheapest Retailer
-
€280 EUR
A
Retailer 2
-
€313 EUR
View
Final sale: no returns
A
Retailer 3
-
€324 EUR
View
Retailer 4
-
€347 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€347 EUR
View
A
Retailer 6
-
€486 EUR
View
A
Retailer 7
-
€486 EUR
View
B+
Retailer 8
-
€564 EUR
View
B+
Retailer 9
-
€576 EUR
View
B+
Retailer 10
-
€598 EUR
View
B+
Retailer 11
-
€612 EUR
View
B+
Retailer 12
-
€814 EUR
View
B
Retailer 13
-
€923 EUR
View
B
Retailer 14
-
€1,017 EUR
View
B
Retailer 15
-
€1,115 EUR
View
B
Retailer 16
-
€1,156 EUR
View
B
Retailer 17
-
€1,334 EUR
View
B
Retailer 18
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€1,344 EUR
View
B
Retailer 19
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€1,385 EUR
View
B
Retailer 20
-
€1,387 EUR
View
Most Expensive
B
Brilliant Earth
17970817A · Nov 4
€1,648 EUR
$1,850 USD
View
20 more retailers have this diamond
Prices start from €280 EURSave up to €1,368 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
€280 EUR