Radiant|Lab Grown|IGI

1.21ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG612346405

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

Certificate IGI LG612346405

Diamond specifications and retailer prices

From $718 USD
As of October 29, 2026
Save $282 USD (28%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,310 USD at Jared · As of October 28, 2026
View at Jared

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG612346405 or 612346405. Listed at 5 retailers as of October 29, 2026, with a 39% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612346405
Dimensions7.59 × 5.15 × 3.47 mm
L/W Ratio1.47
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
7.59 mm5.15 mm1.21 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612346405
Side View
Table 65.0%Crown 42.7°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,310 USD|Low: $330 USD|High: $1,620 USD|Avg: $733 USD|-19.1%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$351 USD
Retailer 9$402 USD
Retailer 7$429 USD
Retailer 8$510 USD
Retailer 10$603 USD
Retailer 4$718 USD
Retailer 6$896 USD
Retailer 2$994 USD
Retailer 5$1,000 USD
Jared$1,310 USD

13 data points across 10 retailers

5 retailers$718 USD to $1,000 USD

Retailer 1
-
$351 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$718 USD
View
B
Retailer 3
-
$994 USD
View
B
Retailer 4
-
$1,000 USD
View
Most Expensive
Jared
149885848 · Oct 28
$1,310 USD
View
Price last confirmed 7 days ago
4 more retailers have this diamond
Prices start from $718 USDSave up to $282 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
$718 USD