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 €183 EUR
$204 USD
As of October 30, 2026
Save €1,572 EUR (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,754 EUR at Do Amore Diamonds · As of October 31, 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 October 30, 2026, with prices from €183 to €1,754, a €1,572 spread on the same certified stone. Do Amore Diamonds lists it at €1,754. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €432 EUR|Low: €175 EUR|High: €982 EUR|Avg: €490 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€183 EUR
Retailer 3€204 EUR
Retailer 10€212 EUR
Retailer 7€226 EUR
Retailer 11€226 EUR
Retailer 4€294 EUR
Retailer 1€432 EUR
Retailer 2€512 EUR
Retailer 5€627 EUR
Retailer 9€773 EUR
Retailer 8€804 EUR
Retailer 12€982 EUR

24 data points across 12 retailers

13 retailers€183 EUR to €1,754 EUR

A
Cheapest Retailer
-
€183 EUR
$204 USD
A
Retailer 2
-
€204 EUR
$228 USD
View
Final sale: no returns
A
Retailer 3
-
€212 EUR
$237 USD
View
A
Retailer 4
-
€226 EUR
$253 USD
View
Retailer 5
-
€226 EUR
$253 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€294 EUR
$329 USD
View
A
Retailer 7
-
€432 EUR
ZAR 7,792 ZAR
View
B+
Retailer 8
-
€512 EUR
$572 USD
View
B+
Retailer 9
-
€627 EUR
$700 USD
View
B
Retailer 10
-
€773 EUR
$864 USD
View
B
Retailer 11
-
€804 EUR
$898 USD
View
B
Retailer 12
-
€982 EUR
£864 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ED7D7C1DD · Oct 31
€1,754 EUR
$1,960 USD
View
12 more retailers have this diamond
Prices start from €183 EURSave up to €1,572 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
€183 EUR