Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG834617725

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

Certificate IGI LG834617725

Diamond specifications and retailer prices

From $265 USD
£209 GBP
As of October 21, 2026
12 retailers carry this diamond
Most expensive: $1,680 USD at Brilliant Earth · As of October 10, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG834617725 or 834617725. Listed at 12 retailers as of October 10, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834617725
Dimensions7.59 × 5.25 × 3.53 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm5.25 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834617725
Side View
Table 69.0%Crown 43.5°Girdle: THN-MEDPavilion 37.1°Culet: NoneDepth 67.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: $1,680 USD|Low: $170 USD|High: $1,730 USD|Avg: $712 USD|-2.9%
Brilliant Earth
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
Retailer 16
October 23, 2026
Retailer 5$210 USD
Retailer 13$265 USD
Retailer 7$315 USD
Retailer 16$397 USD
Retailer 14$412 USD
Retailer 2$429 USD
Retailer 3$573 USD
Retailer 10$574 USD
Retailer 9$748 USD
Retailer 4$781 USD
Retailer 6$803 USD
Retailer 8$915 USD
Retailer 15$1,070 USD
Retailer 11$1,090 USD
Retailer 12$1,337 USD
Brilliant Earth$1,680 USD

37 data points across 16 retailers

12 retailers$265 USD to $1,680 USD

Retailer 1
-
$265 USD
£209 GBP
Price last confirmed 10 days ago
Retailer 2
-
$315 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$397 USD
ZAR 6,406 ZAR
View
Price last confirmed 13 days ago
Retailer 4
-
$412 USD
£324 GBP
View
Price last confirmed 10 days ago
Retailer 5
-
$573 USD
A$882 AUD
View
Price last confirmed 13 days ago
Retailer 6
-
$748 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$803 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$915 USD
A$1,408 AUD
View
Price last confirmed 23 days ago
Retailer 9
-
$1,070 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$1,090 USD
£858 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
$1,337 USD
SGD 1,807 SGD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
21447400A · Oct 10
$1,680 USD
View
Price last confirmed 21 days ago
11 more retailers have this diamond

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.

1.21ct Radiant
$265 USD