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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

VG • D/VVS1 • IGI LG671423914

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

Certificate IGI LG671423914

Diamond specifications and retailer prices

From €253 EUR
As of November 4, 2026
Save €1,001 EUR (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,254 EUR at MOH London · As of November 5, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG671423914 or 671423914. Listed at 21 retailers as of November 4, 2026, with prices from €253 to €1,254, a €1,001 spread on the same certified stone. MOH London lists it at €1,254. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671423914
Dimensions7.74 × 5.20 × 3.69 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.74 mm5.20 mm1.21 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671423914
Side View
Table 62.0%Crown 38°Girdle: MediumPavilion 36.2°Culet: NoneDepth 71.0%

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: €1,254 EUR|Low: €243 EUR|High: €1,272 EUR|Avg: €693 EUR|-0.3%
MOH London
Retailer 2
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Retailer 22
November 5, 2026
Retailer 21€253 EUR
Retailer 19€283 EUR
Retailer 7€293 EUR
Retailer 6€314 EUR
Retailer 22€314 EUR
Retailer 2€355 EUR
Retailer 10€410 EUR
Retailer 16€454 EUR
Retailer 5€516 EUR
Retailer 8€535 EUR
Retailer 13€541 EUR
Retailer 11€543 EUR
Retailer 12€563 EUR
Retailer 3€872 EUR
Retailer 18€964 EUR
Retailer 17€1,002 EUR
Retailer 4€1,009 EUR
Retailer 15€1,022 EUR
Retailer 9€1,140 EUR
Retailer 14€1,186 EUR
Retailer 20€1,224 EUR
MOH London€1,254 EUR

31 data points across 22 retailers

21 retailers€253 EUR to €1,254 EUR

A
Cheapest Retailer
-
€253 EUR
A
Retailer 2
-
€283 EUR
View
Final sale: no returns
A
Retailer 3
-
€293 EUR
View
Retailer 4
-
€314 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€314 EUR
View
A
Retailer 6
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€355 EUR
View
Retailer 7
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€410 EUR
View
Price last confirmed 31 days ago
B+
Retailer 8
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€454 EUR
View
B+
Retailer 9
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€516 EUR
View
B+
Retailer 10
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€535 EUR
View
B+
Retailer 11
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€541 EUR
View
B+
Retailer 12
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€543 EUR
View
Retailer 13
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€872 EUR
View
Price last confirmed 12 days ago
B
Retailer 14
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€964 EUR
View
Retailer 15
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€1,002 EUR
View
Price last confirmed 19 days ago
B
Retailer 16
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€1,009 EUR
View
B
Retailer 17
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€1,022 EUR
View
Retailer 18
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€1,186 EUR
View
Price last confirmed 30 days ago
B
Retailer 19
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€1,190 EUR
View
B
Retailer 20
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€1,224 EUR
View
Most Expensive
B
MOH London
LG671423914 · Nov 5
€1,254 EUR
£1,108 GBP
View
20 more retailers have this diamond
Prices start from €253 EURSave up to €1,001 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
€253 EUR