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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

GD • D/VVS1 • IGI LG623420555

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

Certificate IGI LG623420555

Diamond specifications and retailer prices

From €184 EUR
As of November 4, 2026
Save €1,589 EUR (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,773 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 VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG623420555 or 623420555. Listed at 21 retailers as of November 4, 2026, with prices from €184 to €1,773, a €1,589 spread on the same certified stone. Do Amore Diamonds lists it at €1,773. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623420555
Dimensions7.65 × 5.23 × 3.55 mm
L/W Ratio1.46
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
7.65 mm5.23 mm1.21 ctD / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623420555
Side View
Table 64.0%Crown 41.9°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.9%

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: €468 EUR|Low: €177 EUR|High: €1,711 EUR|Avg: €589 EUR|+3.6%
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 4€184 EUR
Retailer 14€206 EUR
Retailer 3€215 EUR
Retailer 2€229 EUR
Retailer 17€229 EUR
Retailer 7€308 EUR
Retailer 9€366 EUR
Retailer 11€437 EUR
Retailer 1€468 EUR
Retailer 10€618 EUR
Retailer 16€739 EUR
Retailer 5€813 EUR
Retailer 6€846 EUR
Retailer 15€953 EUR
Retailer 8€991 EUR
Retailer 12€1,013 EUR
Retailer 13€1,675 EUR

45 data points across 17 retailers

21 retailers€184 EUR to €1,773 EUR

A
Cheapest Retailer
-
€184 EUR
A
Retailer 2
-
€206 EUR
View
Final sale: no returns
A
Retailer 3
-
€215 EUR
View
Retailer 4
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€229 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€229 EUR
View
B+
Retailer 6
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€308 EUR
View
B+
Retailer 7
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€366 EUR
View
B+
Retailer 8
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€405 EUR
View
B+
Retailer 9
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€437 EUR
View
B+
Retailer 10
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€468 EUR
View
B+
Retailer 11
-
€618 EUR
View
B
Retailer 12
-
€739 EUR
View
B
Retailer 13
-
€813 EUR
View
Retailer 14
-
€846 EUR
View
Price last confirmed 29 days ago
Retailer 15
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€953 EUR
View
Price last confirmed 19 days ago
B
Retailer 16
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€966 EUR
View
B
Retailer 17
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€991 EUR
View
B
Retailer 18
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€1,013 EUR
View
B
Retailer 19
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€1,084 EUR
View
B
Retailer 20
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€1,675 EUR
View
Most Expensive
B
Do Amore Diamonds
27-EBF7213F3 · Nov 4
€1,773 EUR
$1,990 USD
View
20 more retailers have this diamond
Prices start from €184 EURSave up to €1,589 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
€184 EUR