Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG619424981

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

Certificate IGI LG619424981

Diamond specifications and retailer prices

From $153 USD
As of October 27, 2026
Save $1,317 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,470 USD at Do Amore Diamonds · As of October 29, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619424981 or 619424981. Listed at 11 retailers as of October 27, 2026, with prices from $153 to $1,470, a $1,317 spread on the same certified stone. Do Amore Diamonds lists it at $1,470. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619424981
Dimensions7.37 × 5.22 × 3.57 mm
L/W Ratio1.41
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
7.37 mm5.22 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619424981
Side View
Table 66.0%Crown 47.6°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 68.4%

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: Oct 27
Current: $1,470 USD|Low: $124 USD|High: $1,500 USD|Avg: $588 USD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 13$153 USD
Retailer 3$175 USD
Retailer 10$177 USD
Retailer 2$258 USD
Retailer 15$346 USD
Retailer 4$359 USD
Retailer 5$424 USD
Retailer 8$510 USD
Retailer 12$600 USD
Retailer 11$643 USD
Retailer 14$672 USD
Retailer 6$706 USD
Retailer 7$930 USD
Retailer 9$979 USD
Do Amore Diamonds$1,470 USD

31 data points across 15 retailers

11 retailers$153 USD to $1,470 USD

A
Cheapest Retailer
-
$153 USD
A
Retailer 2
-
$175 USD
View
Final sale: no returns
A
Retailer 3
-
$177 USD
View
A
Retailer 4
-
$258 USD
£203 GBP
View
B+
Retailer 5
-
$346 USD
View
A
Retailer 6
-
$510 USD
A$784 AUD
View
Retailer 7
-
$600 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$643 USD
View
B+
Retailer 9
-
$672 USD
View
Retailer 10
-
$979 USD
£771 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-CEB14178C · Oct 29
$1,470 USD
View
10 more retailers have this diamond
Prices start from $153 USDSave up to $1,317 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
$153 USD