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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG826677715

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

Certificate IGI LG826677715

Diamond specifications and retailer prices

From €184 EUR
As of November 4, 2026
Save €1,171 EUR (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,354 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 LG826677715 or 826677715. Listed at 20 retailers as of November 4, 2026, with prices from €184 to €1,354, a €1,171 spread on the same certified stone. Brilliant Earth lists it at €1,354. 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 angle45.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826677715
Dimensions7.92 × 5.71 × 3.85 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.71 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826677715
Side View
Table 66.0%Crown 45.1°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.4%

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: Nov 4
Current: €1,354 EUR|Low: €176 EUR|High: €1,728 EUR|Avg: €629 EUR|-21.6%
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
November 6, 2026
Retailer 3€184 EUR
Retailer 4€227 EUR
Retailer 9€227 EUR
Retailer 18€307 EUR
Retailer 16€382 EUR
Retailer 15€392 EUR
Retailer 2€414 EUR
Retailer 6€452 EUR
Retailer 14€529 EUR
Retailer 10€682 EUR
Retailer 5€731 EUR
Retailer 17€734 EUR
Retailer 12€757 EUR
Retailer 7€779 EUR
Retailer 8€922 EUR
Retailer 13€926 EUR
Retailer 11€1,059 EUR
Brilliant Earth€1,354 EUR

39 data points across 18 retailers

20 retailers€184 EUR to €1,354 EUR

A
Cheapest Retailer
-
€184 EUR
Retailer 2
-
€217 EUR
View
Price last confirmed 40 days ago
Retailer 3
-
€227 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€227 EUR
View
Retailer 5
-
€230 EUR
View
Price last confirmed 38 days ago
B+
Retailer 6
-
€307 EUR
View
A
Retailer 7
-
€382 EUR
View
A
Retailer 8
-
€392 EUR
View
A
Retailer 9
-
€414 EUR
View
A
Retailer 10
-
€452 EUR
View
A
Retailer 11
-
€529 EUR
View
B+
Retailer 12
-
€682 EUR
View
B+
Retailer 13
-
€731 EUR
View
B+
Retailer 14
-
€734 EUR
View
B+
Retailer 15
-
€757 EUR
View
B+
Retailer 16
-
€779 EUR
View
Retailer 17
-
€922 EUR
View
Price last confirmed 29 days ago
B
Retailer 18
-
€926 EUR
View
B
Retailer 19
-
€1,059 EUR
View
Most Expensive
B
Brilliant Earth
21053331A · Nov 4
€1,354 EUR
$1,520 USD
View
19 more retailers have this diamond
Prices start from €184 EURSave up to €1,171 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
€184 EUR