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Round|Lab Grown|IGI

1.22ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG778645875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645875

Diamond specifications and retailer prices

From $564 AUD
$396 USD
As of October 29, 2026
Save $3,323 AUD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,886 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct 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 LG778645875 or 778645875. Listed at 21 retailers as of October 29, 2026, with prices from $564 to $3,886, a $3,323 spread on the same certified stone. Brilliant Earth lists it at $3,886. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645875
Dimensions6.94 × 7.01 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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 mm7.01 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645875
Side View
Table 60.0%Crown 33.1°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
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: $3,886 AUD|Low: $541 AUD|High: $3,886 AUD|Avg: $1,354 AUD
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 31, 2026
Retailer 12$564 AUD
Retailer 5$632 AUD
Retailer 13$699 AUD
Retailer 14$699 AUD
Retailer 10$911 AUD
Retailer 6$940 AUD
Retailer 4$1,029 AUD
Retailer 7$1,135 AUD
Retailer 9$1,202 AUD
Retailer 2$1,220 AUD
Retailer 11$1,681 AUD
Retailer 3$2,227 AUD
Retailer 8$2,748 AUD
Brilliant Earth$3,886 AUD

42 data points across 14 retailers

21 retailers$564 AUD to $3,886 AUD

A
Cheapest Retailer
-
$564 AUD
$396 USD
A
Retailer 2
-
$632 AUD
$444 USD
View
Final sale: no returns
A
Retailer 3
-
$632 AUD
$444 USD
View
A
Retailer 4
-
$699 AUD
$491 USD
View
A
Retailer 5
-
$699 AUD
$491 USD
View
A
Retailer 6
-
$765 AUD
HK$4,200 HKD
View
B+
Retailer 7
-
$911 AUD
$640 USD
View
A
Retailer 8
-
$940 AUD
$660 USD
View
B+
Retailer 9
-
$1,029 AUD
$723 USD
View
B+
Retailer 10
-
$1,098 AUD
$771 USD
View
B+
Retailer 11
-
$1,135 AUD
£628 GBP
View
B+
Retailer 12
-
$1,202 AUD
ZAR 13,643 ZAR
View
B+
Retailer 13
-
$1,220 AUD
€816 EUR
View
B
Retailer 14
-
$1,681 AUD
$1,181 USD
View
B
Retailer 15
-
$2,227 AUD
SGD 2,114 SGD
View
B+
Retailer 16
-
$2,249 AUD
$1,580 USD
View
B
Retailer 17
-
$2,301 AUD
$1,616 USD
View
B
Retailer 18
-
$2,564 AUD
$1,801 USD
View
B
Retailer 19
-
$2,591 AUD
$1,820 USD
View
B
Retailer 20
-
$2,748 AUD
£1,520 GBP
View
Most Expensive
B
Brilliant Earth
18981312A · Oct 29
$3,886 AUD
$2,730 USD
View
20 more retailers have this diamond
Prices start from $564 AUDSave up to $3,323 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
$564 AUD