Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG837672620

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

Certificate IGI LG837672620

Diamond specifications and retailer prices

From $185 USD
As of October 19, 2026
15 retailers carry this diamond
Most expensive: $1,706 USD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

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 LG837672620 or 837672620. Listed at 15 retailers as of October 13, 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 angle40.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672620
Dimensions7.30 × 5.21 × 3.61 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.21 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672620
Side View
Table 65.0%Crown 40.9°Girdle: STK-THKPavilion 36.4°Culet: NoneDepth 69.3%

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 19
Current: $1,706 USD|Low: $185 USD|High: $1,706 USD|Avg: $747 USD
Helzberg Diamonds
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 23, 2026
Retailer 5$185 USD
Retailer 12$207 USD
Retailer 21$214 USD
Retailer 9$230 USD
Retailer 14$230 USD
Retailer 19$261 USD
Retailer 10$310 USD
Retailer 3$391 USD
Retailer 20$405 USD
Retailer 2$423 USD
Retailer 8$551 USD
Retailer 4$565 USD
Retailer 16$573 USD
Retailer 7$738 USD
Retailer 6$768 USD
Retailer 13$776 USD
Retailer 11$792 USD
Retailer 15$922 USD
Retailer 22$1,070 USD
Retailer 17$1,073 USD
Retailer 18$1,326 USD
Helzberg Diamonds$1,706 USD

30 data points across 22 retailers

15 retailers$185 USD to $1,706 USD

Retailer 1
-
$185 USD
Price last confirmed 13 days ago
Retailer 2
-
$214 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$230 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$230 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$391 USD
ZAR 6,312 ZAR
View
Price last confirmed 14 days ago
Retailer 6
-
$405 USD
£319 GBP
View
Price last confirmed 11 days ago
Retailer 7
-
$565 USD
A$869 AUD
View
Price last confirmed 14 days ago
Retailer 8
-
$738 USD
View
Price last confirmed 12 days ago
Retailer 9
-
$776 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$792 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$922 USD
A$1,419 AUD
View
Price last confirmed 23 days ago
Retailer 12
-
$1,070 USD
View
Price last confirmed 13 days ago
Retailer 13
-
$1,073 USD
£845 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
$1,326 USD
SGD 1,792 SGD
View
Price last confirmed 11 days ago
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMIG · Oct 13
$1,706 USD
View
Price last confirmed 19 days ago
14 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
$185 USD