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 $204 USD
As of November 4, 2026
Save $1,756 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,960 USD 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 $204 to $1,960, a $1,756 spread on the same certified stone. Do Amore Diamonds lists it at $1,960. 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: Nov 4
Current: $482 USD|Low: $196 USD|High: $1,097 USD|Avg: $541 USD|+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$204 USD
Retailer 3$228 USD
Retailer 10$237 USD
Retailer 7$253 USD
Retailer 11$253 USD
Retailer 4$329 USD
Retailer 1$482 USD
Retailer 2$572 USD
Retailer 5$700 USD
Retailer 9$863 USD
Retailer 8$898 USD
Retailer 12$1,097 USD

22 data points across 12 retailers

13 retailers$204 USD to $1,960 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$237 USD
View
A
Retailer 4
-
$253 USD
View
Retailer 5
-
$253 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$329 USD
View
A
Retailer 7
-
$482 USD
View
B+
Retailer 8
-
$572 USD
View
B+
Retailer 9
-
$700 USD
View
B
Retailer 10
-
$863 USD
View
B
Retailer 11
-
$898 USD
View
B
Retailer 12
-
$1,097 USD
View
Most Expensive
B
Do Amore Diamonds
27-ED7D7C1DD · Nov 4
$1,960 USD
View
12 more retailers have this diamond
Prices start from $204 USDSave up to $1,756 USD

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
$204 USD