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 $263 AUD
$185 USD
As of October 19, 2026
15 retailers carry this diamond
Most expensive: $2,429 AUD 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
Colour
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: $2,429 AUD|Low: $263 AUD|High: $2,429 AUD|Avg: $1,063 AUD
Helzberg Diamonds
Retailer 2
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Retailer 8
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Retailer 22
October 23, 2026
Retailer 5$263 AUD
Retailer 12$295 AUD
Retailer 21$305 AUD
Retailer 9$327 AUD
Retailer 14$327 AUD
Retailer 19$372 AUD
Retailer 10$441 AUD
Retailer 3$556 AUD
Retailer 20$577 AUD
Retailer 2$602 AUD
Retailer 8$784 AUD
Retailer 4$804 AUD
Retailer 16$816 AUD
Retailer 7$1,051 AUD
Retailer 6$1,093 AUD
Retailer 13$1,105 AUD
Retailer 11$1,127 AUD
Retailer 15$1,313 AUD
Retailer 22$1,523 AUD
Retailer 17$1,528 AUD
Retailer 18$1,888 AUD
Helzberg Diamonds$2,429 AUD

30 data points across 22 retailers

15 retailers$263 AUD to $2,429 AUD

Retailer 1
-
$263 AUD
$185 USD
Price last confirmed 13 days ago
Retailer 2
-
$305 AUD
$214 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$327 AUD
$230 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$327 AUD
$230 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$556 AUD
ZAR 6,312 ZAR
View
Price last confirmed 15 days ago
Retailer 6
-
$577 AUD
£319 GBP
View
Price last confirmed 12 days ago
Retailer 7
-
$804 AUD
View
Price last confirmed 15 days ago
Retailer 8
-
$1,051 AUD
$738 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$1,105 AUD
$776 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$1,127 AUD
$792 USD
View
Price last confirmed 13 days ago
Retailer 11
-
$1,313 AUD
View
Price last confirmed 24 days ago
Retailer 12
-
$1,523 AUD
$1,070 USD
View
Price last confirmed 14 days ago
Retailer 13
-
$1,528 AUD
£845 GBP
View
Price last confirmed 12 days ago
Retailer 14
-
$1,888 AUD
SGD 1,792 SGD
View
Price last confirmed 12 days ago
Most Expensive
Helzberg Diamonds
ZXZOJNMNIMIG · Oct 13
$2,429 AUD
$1,706 USD
View
Price last confirmed 20 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
$263 AUD