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Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG539225586

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

Certificate IGI LG539225586

Diamond specifications and retailer prices

From €208 EUR
As of November 4, 2026
Save €816 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,025 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539225586 or 539225586. Listed at 16 retailers as of November 4, 2026, with prices from €208 to €1,025, a €816 spread on the same certified stone. Brilliant Earth lists it at €1,025. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539225586
Dimensions7.40 × 5.49 × 3.63 mm
L/W Ratio1.35
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
7.40 mm5.49 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539225586
Side View
Table 64.5%Crown 37.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.1%

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: €1,025 EUR|Low: €208 EUR|High: €1,051 EUR|Avg: €572 EUR|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11€208 EUR
Retailer 9€232 EUR
Retailer 6€399 EUR
Retailer 8€399 EUR
Retailer 2€423 EUR
Retailer 10€515 EUR
Retailer 5€566 EUR
Retailer 7€747 EUR
Retailer 3€910 EUR
Retailer 4€925 EUR
Brilliant Earth€1,025 EUR

41 data points across 11 retailers

16 retailers€208 EUR to €1,025 EUR

Retailer 1
-
€179 EUR
Price last confirmed 34 days ago
A
Retailer 2
-
€208 EUR
View
Final sale: no returns
Retailer 3
-
€217 EUR
View
Price last confirmed 39 days ago
Retailer 4
-
€232 EUR
View
Price last confirmed 33 days ago
A
Retailer 5
-
€397 EUR
View
A
Retailer 6
-
€399 EUR
View
A
Retailer 7
-
€399 EUR
View
A
Retailer 8
-
€423 EUR
View
B+
Retailer 9
-
€515 EUR
View
B+
Retailer 10
-
€566 EUR
View
B+
Retailer 11
-
€596 EUR
View
Retailer 12
-
€744 EUR
View
Price last confirmed 36 days ago
B
Retailer 13
-
€747 EUR
View
B
Retailer 14
-
€791 EUR
View
B
Retailer 15
-
€925 EUR
View
Most Expensive
B
Brilliant Earth
6168464A · Nov 4
€1,025 EUR
$1,150 USD
View
15 more retailers have this diamond
Prices start from €208 EURSave up to €816 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
€208 EUR