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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG620456864

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

Certificate IGI LG620456864

Diamond specifications and retailer prices

From €205 EUR
As of November 4, 2026
Save €939 EUR (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,095 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620456864 or 620456864. Listed at 19 retailers as of November 4, 2026, with a 458% 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

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620456864
Dimensions7.56 × 5.22 × 3.50 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
7.56 mm5.22 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620456864
Side View
Table 66.0%Crown 46.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.0%

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 4
Current: €1,119 EUR|Low: €196 EUR|High: €1,136 EUR|Avg: €518 EUR|-0.2%
Retailer 1
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
November 5, 2026
Retailer 13€205 EUR
Retailer 6€229 EUR
Retailer 4€237 EUR
Retailer 2€254 EUR
Retailer 14€254 EUR
Retailer 12€340 EUR
Retailer 9€483 EUR
Retailer 7€528 EUR
Retailer 5€533 EUR
Retailer 10€679 EUR
Retailer 8€685 EUR
Retailer 11€818 EUR
Retailer 3€900 EUR
Retailer 1€1,119 EUR

44 data points across 14 retailers

19 retailers€205 EUR to €1,144 EUR

A
Cheapest Retailer
-
€205 EUR
A
Retailer 2
-
€229 EUR
View
Final sale: no returns
A
Retailer 3
-
€237 EUR
View
Retailer 4
-
€254 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€254 EUR
View
A
Retailer 6
-
€327 EUR
View
A
Retailer 7
-
€340 EUR
View
A
Retailer 8
-
€483 EUR
View
B+
Retailer 9
-
€528 EUR
View
B+
Retailer 10
-
€533 EUR
View
Retailer 11
-
€679 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
€685 EUR
View
B
Retailer 13
-
€818 EUR
View
B
Retailer 14
-
€900 EUR
View
B
Retailer 15
-
€1,051 EUR
View
B
Retailer 16
-
€1,119 EUR
View
B
Retailer 17
-
€1,144 EUR
View
Retailer 18
-
€1,961 EUR
View
Price under review
Most Expensive
Do Amore Diamonds
23-620456864 · Nov 4
€2,095 EUR
$2,360 USD
View
Price under review
18 more retailers have this diamond
Prices start from €205 EURSave up to €939 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
1.21ct Radiant
€205 EUR