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Radiant|Lab Grown|IGI

1.21ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG620444528

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

Certificate IGI LG620444528

Diamond specifications and retailer prices

From €181 EUR
As of November 4, 2026
Save €1,559 EUR (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,740 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620444528 or 620444528. Listed at 13 retailers as of November 4, 2026, with prices from €181 to €1,740, a €1,559 spread on the same certified stone. Do Amore Diamonds lists it at €1,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620444528
Dimensions7.12 × 5.33 × 3.67 mm
L/W Ratio1.34
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
7.12 mm5.33 mm1.21 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620444528
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 68.9%

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: €428 EUR|Low: €174 EUR|High: €974 EUR|Avg: €480 EUR|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6€181 EUR
Retailer 3€202 EUR
Retailer 10€210 EUR
Retailer 7€225 EUR
Retailer 11€225 EUR
Retailer 4€292 EUR
Retailer 1€428 EUR
Retailer 2€508 EUR
Retailer 5€621 EUR
Retailer 9€766 EUR
Retailer 8€797 EUR
Retailer 12€974 EUR

22 data points across 12 retailers

13 retailers€181 EUR to €1,740 EUR

A
Cheapest Retailer
-
€181 EUR
A
Retailer 2
-
€202 EUR
View
Final sale: no returns
A
Retailer 3
-
€210 EUR
View
A
Retailer 4
-
€225 EUR
View
Retailer 5
-
€225 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€292 EUR
View
A
Retailer 7
-
€428 EUR
View
B+
Retailer 8
-
€508 EUR
View
B+
Retailer 9
-
€621 EUR
View
B
Retailer 10
-
€766 EUR
View
B
Retailer 11
-
€797 EUR
View
B
Retailer 12
-
€974 EUR
View
Most Expensive
B
Do Amore Diamonds
27-ED7D7C1DD · Nov 4
€1,740 EUR
$1,960 USD
View
12 more retailers have this diamond
Prices start from €181 EURSave up to €1,559 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
€181 EUR