Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG605342045

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

Certificate IGI LG605342045

Diamond specifications and retailer prices

From $199 USD
As of November 1, 2026
Save $1,511 USD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,710 USD 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG605342045 or 605342045. Listed at 14 retailers as of October 31, 2026, with prices from $199 to $1,710, a $1,511 spread on the same certified stone. Do Amore Diamonds lists it at $1,710. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605342045
Dimensions7.30 × 5.24 × 3.61 mm
L/W Ratio1.39
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
7.30 mm5.24 mm1.21 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605342045
Side View
Table 67.0%Crown 45.2°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,710 USD|Low: $142 USD|High: $1,710 USD|Avg: $661 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$199 USD
Retailer 11$338 USD
Retailer 8$391 USD
Retailer 2$420 USD
Retailer 5$444 USD
Retailer 10$468 USD
Retailer 6$593 USD
Retailer 7$748 USD
Retailer 3$954 USD
Retailer 4$1,137 USD
Do Amore Diamonds$1,710 USD

39 data points across 11 retailers

14 retailers$199 USD to $1,710 USD

A
Cheapest Retailer
-
$199 USD
Final sale: no returns
Retailer 2
-
$220 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$338 USD
View
A
Retailer 4
-
$391 USD
View
A
Retailer 5
-
$420 USD
ZAR 6,781 ZAR
View
B+
Retailer 6
-
$444 USD
£350 GBP
View
B+
Retailer 7
-
$468 USD
View
B+
Retailer 8
-
$593 USD
A$913 AUD
View
B
Retailer 9
-
$678 USD
£534 GBP
View
B
Retailer 10
-
$748 USD
View
Retailer 11
-
$782 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$954 USD
View
B
Retailer 13
-
$1,137 USD
£895 GBP
View
Most Expensive
B
Do Amore Diamonds
27-26A1B7DAD · Oct 31
$1,710 USD
View
13 more retailers have this diamond
Prices start from $199 USDSave up to $1,511 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
$199 USD