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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG831633282

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

Certificate IGI LG831633282

Diamond specifications and retailer prices

From €229 EUR
As of November 4, 2026
Save €918 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,147 EUR at Reve Diamonds · As of November 4, 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 top-tier cut grade and certified by IGI LG831633282 or 831633282. Listed at 13 retailers as of November 4, 2026, with prices from €229 to €1,147, a €918 spread on the same certified stone. Reve Diamonds lists it at €1,147. 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 angle40.7°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831633282
Dimensions5.98 × 5.92 × 3.86 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.98 mm5.92 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831633282
Side View
Table 63.0%Crown 40.7°Girdle: MediumPavilion 35.1°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,015 EUR|Low: €229 EUR|High: €1,147 EUR|Avg: €656 EUR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 5, 2026
Retailer 9€229 EUR
Retailer 8€342 EUR
Retailer 6€423 EUR
Retailer 5€438 EUR
Retailer 10€447 EUR
Retailer 7€652 EUR
Retailer 4€673 EUR
Retailer 3€820 EUR
Retailer 2€862 EUR
Retailer 11€863 EUR
Retailer 1€1,015 EUR
Reve Diamonds€1,147 EUR

25 data points across 12 retailers

13 retailers€229 EUR to €1,147 EUR

A
Cheapest Retailer
-
€229 EUR
Final sale: no returns
A
Retailer 2
-
€342 EUR
View
A
Retailer 3
-
€423 EUR
View
A
Retailer 4
-
€438 EUR
View
B+
Retailer 5
-
€447 EUR
View
Retailer 6
-
€652 EUR
View
Price last confirmed 18 days ago
B+
Retailer 7
-
€673 EUR
View
B
Retailer 8
-
€820 EUR
View
Retailer 9
-
€825 EUR
View
Price last confirmed 14 days ago
B
Retailer 10
-
€863 EUR
View
B
Retailer 11
-
€880 EUR
View
B
Retailer 12
-
€1,015 EUR
View
Most Expensive
B
Reve Diamonds
CABC4399D · Nov 4
€1,147 EUR
$1,292 USD
View
12 more retailers have this diamond
Prices start from €229 EURSave up to €918 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
€229 EUR