CaratHunter
Plans
Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG539225586

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

Certificate IGI LG539225586

Diamond specifications and retailer prices

From $234 USD
As of November 1, 2026
Save $916 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,150 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG539225586 or 539225586. Listed at 17 retailers as of October 31, 2026, with prices from $234 to $1,150, a $916 spread on the same certified stone. Brilliant Earth lists it at $1,150. 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 angle37.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539225586
Dimensions7.40 × 5.49 × 3.63 mm
L/W Ratio1.35
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
7.40 mm5.49 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539225586
Side View
Table 64.5%Crown 37.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.1%

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: Nov 1
Current: $1,150 USD|Low: $234 USD|High: $1,180 USD|Avg: $641 USD|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11$234 USD
Retailer 9$260 USD
Retailer 8$448 USD
Retailer 4$449 USD
Retailer 2$480 USD
Retailer 10$578 USD
Retailer 5$635 USD
Retailer 7$838 USD
Retailer 3$1,021 USD
Retailer 6$1,043 USD
Brilliant Earth$1,150 USD

41 data points across 11 retailers

17 retailers$234 USD to $1,150 USD

Retailer 1
-
$201 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$234 USD
View
Final sale: no returns
Retailer 3
-
$243 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$260 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$446 USD
View
A
Retailer 6
-
$448 USD
View
A
Retailer 7
-
$449 USD
ZAR 7,247 ZAR
View
A
Retailer 8
-
$480 USD
£378 GBP
View
B+
Retailer 9
-
$578 USD
View
B+
Retailer 10
-
$635 USD
A$977 AUD
View
B
Retailer 11
-
$670 USD
£527 GBP
View
Retailer 12
-
$835 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$838 USD
View
B
Retailer 14
-
$888 USD
View
Retailer 15
-
$1,021 USD
£804 GBP
View
Price last confirmed 26 days ago
Retailer 16
-
$1,043 USD
£821 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
6168464A · Oct 31
$1,150 USD
View
16 more retailers have this diamond
Prices start from $234 USDSave up to $916 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
$234 USD