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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG830622192

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830622192

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of October 29, 2026
Save $2,167 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,534 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830622192 or 830622192. Listed at 19 retailers as of October 29, 2026, with prices from $367 to $2,534, a $2,167 spread on the same certified stone. Brilliant Earth lists it at $2,534. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622192
Dimensions6.94 × 6.89 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm6.89 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622192
Side View
Table 56.0%Crown 34.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,534 AUD|Low: $411 AUD|High: $2,975 AUD|Avg: $1,242 AUD|-14.8%
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
October 30, 2026
Retailer 5$411 AUD
Retailer 10$683 AUD
Retailer 8$759 AUD
Retailer 3$762 AUD
Retailer 9$783 AUD
Retailer 2$868 AUD
Retailer 4$1,015 AUD
Retailer 14$1,399 AUD
Retailer 12$1,481 AUD
Retailer 6$1,538 AUD
Retailer 11$1,614 AUD
Retailer 7$1,837 AUD
Retailer 13$2,150 AUD
Brilliant Earth$2,534 AUD

39 data points across 14 retailers

19 retailers$367 AUD to $2,534 AUD

A+
Cheapest Retailer
-
$367 AUD
$258 USD
A
Retailer 2
-
$411 AUD
$289 USD
View
Final sale: no returns
A
Retailer 3
-
$426 AUD
$299 USD
View
A
Retailer 4
-
$456 AUD
$320 USD
View
A
Retailer 5
-
$456 AUD
$320 USD
View
A
Retailer 6
-
$683 AUD
$480 USD
View
A
Retailer 7
-
$759 AUD
€508 EUR
View
A
Retailer 8
-
$762 AUD
$535 USD
View
A
Retailer 9
-
$783 AUD
ZAR 8,886 ZAR
View
A
Retailer 10
-
$868 AUD
£480 GBP
View
B+
Retailer 11
-
$1,015 AUD
$713 USD
View
B+
Retailer 12
-
$1,399 AUD
$983 USD
View
B+
Retailer 13
-
$1,465 AUD
$1,029 USD
View
B+
Retailer 14
-
$1,481 AUD
SGD 1,406 SGD
View
B+
Retailer 15
-
$1,538 AUD
$1,080 USD
View
B+
Retailer 16
-
$1,614 AUD
$1,134 USD
View
B+
Retailer 17
-
$1,837 AUD
£1,016 GBP
View
Retailer 18
-
$2,150 AUD
$1,510 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21433752A · Oct 29
$2,534 AUD
$1,780 USD
View
18 more retailers have this diamond
Prices start from $367 AUDSave up to $2,167 AUD

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 Round
$367 AUD