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Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840634909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634909

Diamond specifications and retailer prices

From $369 AUD
$259 USD
As of October 29, 2026
Save $2,683 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,052 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634909 or 840634909. Listed at 22 retailers as of October 29, 2026, with prices from $369 to $3,052, a $2,683 spread on the same certified stone. Helzberg Diamonds lists it at $3,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634909
Dimensions6.88 × 6.94 × 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
6.88 mm6.94 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634909
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.6%

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: Oct 29
Current: $3,052 AUD|Low: $369 AUD|High: $3,052 AUD|Avg: $1,209 AUD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 29, 2026
Retailer 8$369 AUD
Retailer 4$413 AUD
Retailer 22$427 AUD
Retailer 5$457 AUD
Retailer 20$457 AUD
Retailer 19$705 AUD
Retailer 17$742 AUD
Retailer 13$755 AUD
Retailer 9$762 AUD
Retailer 18$785 AUD
Retailer 3$814 AUD
Retailer 2$868 AUD
Retailer 21$951 AUD
Retailer 6$1,403 AUD
Retailer 11$1,469 AUD
Retailer 14$1,474 AUD
Retailer 7$1,542 AUD
Retailer 15$1,601 AUD
Retailer 16$1,840 AUD
Retailer 10$2,164 AUD
Retailer 12$2,477 AUD
Helzberg Diamonds$3,052 AUD

14 data points across 22 retailers

22 retailers$369 AUD to $3,052 AUD

A
Cheapest Retailer
-
$369 AUD
$259 USD
A
Retailer 2
-
$413 AUD
$290 USD
View
Final sale: no returns
A
Retailer 3
-
$427 AUD
$300 USD
View
A
Retailer 4
-
$457 AUD
$321 USD
View
A
Retailer 5
-
$457 AUD
$321 USD
View
A
Retailer 6
-
$705 AUD
$495 USD
View
A
Retailer 7
-
$742 AUD
£410 GBP
View
A
Retailer 8
-
$755 AUD
€505 EUR
View
A
Retailer 9
-
$762 AUD
$535 USD
View
A
Retailer 10
-
$785 AUD
ZAR 8,910 ZAR
View
A
Retailer 11
-
$814 AUD
$572 USD
View
A
Retailer 12
-
$868 AUD
£480 GBP
View
B+
Retailer 13
-
$951 AUD
$668 USD
View
B+
Retailer 14
-
$1,403 AUD
$986 USD
View
B+
Retailer 15
-
$1,469 AUD
$1,032 USD
View
B+
Retailer 16
-
$1,474 AUD
SGD 1,399 SGD
View
B+
Retailer 17
-
$1,542 AUD
$1,083 USD
View
B
Retailer 18
-
$1,601 AUD
$1,125 USD
View
B+
Retailer 19
-
$1,840 AUD
£1,018 GBP
View
Retailer 20
-
$2,164 AUD
$1,520 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
$2,477 AUD
$1,740 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKPGP · Oct 29
$3,052 AUD
$2,144 USD
View
21 more retailers have this diamond
Prices start from $369 AUDSave up to $2,683 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
1.22ct Round
$369 AUD