Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG831692380

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

Certificate IGI LG831692380

Diamond specifications and retailer prices

From €187 EUR
As of November 2, 2026
Save €902 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,089 EUR at Reve Diamonds · As of November 1, 2026
View at Reve 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 very-good cut grade and certified by IGI LG831692380 or 831692380. Listed at 20 retailers as of November 1, 2026, with prices from €187 to €1,089, a €902 spread on the same certified stone. Reve Diamonds lists it at €1,089. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831692380
Dimensions8.07 × 5.21 × 3.46 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.21 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831692380
Side View
Table 64.0%Crown 35.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €622 EUR|Low: €187 EUR|High: €1,089 EUR|Avg: €555 EUR|-16.7%
Retailer 1
Retailer 2
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Retailer 19
Reve Diamonds
November 3, 2026
Retailer 5€187 EUR
Retailer 4€209 EUR
Retailer 19€217 EUR
Retailer 7€232 EUR
Retailer 14€309 EUR
Retailer 18€390 EUR
Retailer 6€398 EUR
Retailer 15€399 EUR
Retailer 9€416 EUR
Retailer 12€428 EUR
Retailer 2€447 EUR
Retailer 13€566 EUR
Retailer 1€622 EUR
Retailer 10€641 EUR
Retailer 17€745 EUR
Retailer 8€753 EUR
Retailer 11€792 EUR
Retailer 16€928 EUR
Retailer 3€976 EUR
Reve Diamonds€1,089 EUR

8 data points across 20 retailers

20 retailers€187 EUR to €1,089 EUR

A
Cheapest Retailer
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€187 EUR
A
Retailer 2
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€209 EUR
View
Final sale: no returns
A
Retailer 3
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€217 EUR
View
A
Retailer 4
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€232 EUR
View
A
Retailer 5
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€309 EUR
View
A
Retailer 6
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€390 EUR
View
A
Retailer 7
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€398 EUR
View
A
Retailer 8
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€399 EUR
View
B+
Retailer 9
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€416 EUR
View
A
Retailer 10
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€428 EUR
View
B+
Retailer 11
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€447 EUR
View
B+
Retailer 12
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€566 EUR
View
B+
Retailer 13
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€622 EUR
View
Retailer 14
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€641 EUR
View
Price last confirmed 8 days ago
B
Retailer 15
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€745 EUR
View
B
Retailer 16
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€753 EUR
View
B
Retailer 17
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€792 EUR
View
B
Retailer 18
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€928 EUR
View
B
Retailer 19
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€976 EUR
View
Most Expensive
B
Reve Diamonds
6D92BDA8B · Nov 1
€1,089 EUR
$1,227 USD
View
19 more retailers have this diamond
Prices start from €187 EURSave up to €902 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
€187 EUR