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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG828660518

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828660518

Diamond specifications and retailer prices

From $340 AUD
As of November 6, 2026
Save $2,917 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,257 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828660518 or 828660518. Listed at 14 retailers as of November 6, 2026, with prices from $340 to $3,257, a $2,917 spread on the same certified stone. Do Amore Diamonds lists it at $3,257. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828660518
Dimensions11.47 × 5.54 × 3.36 mm
L/W Ratio2.07
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
11.47 mm5.54 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828660518
Side View
Table 59.0%Crown 32.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 6
Current: $3,257 AUD|Low: $333 AUD|High: $3,328 AUD|Avg: $1,549 AUD|-2.1%
Do Amore 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
November 6, 2026
Retailer 10$340 AUD
Retailer 14$394 AUD
Retailer 12$710 AUD
Retailer 2$780 AUD
Retailer 4$887 AUD
Retailer 8$1,141 AUD
Retailer 11$1,360 AUD
Retailer 13$1,496 AUD
Retailer 6$1,777 AUD
Retailer 7$1,858 AUD
Retailer 3$2,100 AUD
Retailer 5$2,451 AUD
Retailer 9$2,557 AUD
Do Amore Diamonds$3,257 AUD

25 data points across 14 retailers

14 retailers$340 AUD to $3,257 AUD

A+
Cheapest Retailer
-
$340 AUD
A
Retailer 2
-
$394 AUD
View
A
Retailer 3
-
$710 AUD
View
A
Retailer 4
-
$780 AUD
View
A
Retailer 5
-
$887 AUD
View
B+
Retailer 6
-
$1,141 AUD
View
B+
Retailer 7
-
$1,360 AUD
View
B+
Retailer 8
-
$1,496 AUD
View
B+
Retailer 9
-
$1,858 AUD
View
Retailer 10
-
$2,100 AUD
View
Price last confirmed 9 days ago
Retailer 11
-
$2,101 AUD
View
Price last confirmed 51 days ago
Retailer 12
-
$2,451 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$2,557 AUD
View
Most Expensive
B
Do Amore Diamonds
27-A7077F1D0 · Nov 6
$3,257 AUD
$2,280 USD
View
13 more retailers have this diamond
Prices start from $340 AUDSave up to $2,917 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 Marquise
$340 AUD