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Radiant|Lab Grown|IGI

1.51ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG508151920

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

Certificate IGI LG508151920

Diamond specifications and retailer prices

From €375 EUR
As of November 3, 2026
Save €1,890 EUR (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,532 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508151920 or 508151920. Listed at 23 retailers as of November 3, 2026, with a 505% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508151920
Dimensions7.76 × 5.70 × 3.90 mm
L/W Ratio1.36
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
7.76 mm5.70 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508151920
Side View
Table 67.0%Crown 44.1°Girdle: STK-THKPavilion 37°Culet: NoneDepth 68.4%

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: Nov 3
Current: €3,532 EUR|Low: €382 EUR|High: €3,532 EUR|Avg: €1,164 EUR
Do Amore Diamonds
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
November 5, 2026
Retailer 5€398 EUR
Retailer 9€445 EUR
Retailer 17€446 EUR
Retailer 3€493 EUR
Retailer 4€493 EUR
Retailer 11€634 EUR
Retailer 8€773 EUR
Retailer 14€879 EUR
Retailer 10€896 EUR
Retailer 12€938 EUR
Retailer 16€1,325 EUR
Retailer 7€1,431 EUR
Retailer 15€1,482 EUR
Retailer 6€1,844 EUR
Retailer 13€2,052 EUR
Retailer 2€2,264 EUR
Do Amore Diamonds€3,532 EUR

40 data points across 17 retailers

23 retailers€375 EUR to €2,264 EUR

A
Cheapest Retailer
-
€375 EUR
A
Retailer 2
-
€398 EUR
View
A
Retailer 3
-
€445 EUR
View
Final sale: no returns
A
Retailer 4
-
€446 EUR
View
Retailer 5
-
€493 EUR
View
Price last confirmed 20 days ago
A
Retailer 6
-
€493 EUR
View
B+
Retailer 7
-
€621 EUR
View
B+
Retailer 8
-
€634 EUR
View
B+
Retailer 9
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€704 EUR
View
B+
Retailer 10
-
€773 EUR
View
Retailer 11
-
€879 EUR
View
Price last confirmed 18 days ago
B+
Retailer 12
-
€896 EUR
View
B+
Retailer 13
-
€938 EUR
View
B
Retailer 14
-
€1,318 EUR
View
B
Retailer 15
-
€1,325 EUR
View
B
Retailer 16
-
€1,431 EUR
View
B
Retailer 17
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€1,482 EUR
View
B
Retailer 18
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€1,583 EUR
View
B
Retailer 19
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€1,844 EUR
View
B
Retailer 20
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€1,876 EUR
View
B
Retailer 21
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€2,052 EUR
View
B
Retailer 22
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€2,264 EUR
View
Most Expensive
Do Amore Diamonds
27-9D9268BDC · Nov 4
€3,532 EUR
$3,980 USD
View
Price under review
22 more retailers have this diamond
Prices start from €375 EURSave up to €1,890 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
€375 EUR