Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG617452464

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

Certificate IGI LG617452464

Diamond specifications and retailer prices

From $706 USD
As of October 30, 2026
Save $4 USD (1%) vs most expensive(unlock to see where)
10 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 LG617452464 or 617452464. Listed at 10 retailers as of October 29, 2026, with a relatively tight 1% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 angle43.6°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617452464
Dimensions7.57 × 5.17 × 3.49 mm
L/W Ratio1.46
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
7.57 mm5.17 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617452464
Side View
Table 65.0%Crown 43.6°Girdle: THN-MEDPavilion 35.5°Culet: NoneDepth 67.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,470 USD|Low: $150 USD|High: $1,500 USD|Avg: $722 USD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 6$153 USD
Retailer 4$177 USD
Retailer 9$346 USD
Retailer 2$509 USD
Retailer 5$643 USD
Retailer 7$672 USD
Retailer 10$706 USD
Retailer 8$710 USD
Retailer 3$979 USD
Do Amore Diamonds$1,470 USD

22 data points across 10 retailers

10 retailers$706 USD to $710 USD

Retailer 1
-
$153 USD
Price last confirmed 9 days ago
Retailer 2
-
$177 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$346 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$509 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$643 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$672 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$706 USD
View
B+
Retailer 8
-
$710 USD
View
Retailer 9
-
$979 USD
View
Price last confirmed 11 days ago
Most Expensive
Do Amore Diamonds
27-5303D1F0B · Oct 29
$1,470 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $706 USDSave up to $4 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.

B+
1.21ct Radiant
$706 USD