CaratHunter
Plans
Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG639487558

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG639487558

Diamond specifications and retailer prices

From $546 AUD
As of November 4, 2026
Save $2,048 AUD (79%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,014 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG639487558 or 639487558. Listed at 30 retailers as of October 30, 2026, with a 375% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639487558
Dimensions10.94 × 5.62 × 3.47 mm
L/W Ratio1.95
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
10.94 mm5.62 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639487558
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: Nov 4
Current: $3,014 AUD|Low: $391 AUD|High: $3,087 AUD|Avg: $1,710 AUD|+0.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 17$391 AUD
Retailer 22$546 AUD
Retailer 20$694 AUD
Retailer 16$790 AUD
Retailer 19$793 AUD
Retailer 3$857 AUD
Retailer 2$1,074 AUD
Retailer 15$1,113 AUD
Retailer 13$1,159 AUD
Retailer 11$1,219 AUD
Retailer 9$1,363 AUD
Retailer 7$1,380 AUD
Retailer 21$1,487 AUD
Retailer 12$1,493 AUD
Retailer 24$1,774 AUD
Retailer 23$1,946 AUD
Retailer 8$2,006 AUD
Retailer 5$2,034 AUD
Retailer 14$2,178 AUD
Retailer 6$2,316 AUD
Retailer 4$2,350 AUD
Retailer 18$2,417 AUD
Retailer 10$2,594 AUD
Brilliant Earth$3,014 AUD

29 data points across 24 retailers

30 retailers$546 AUD to $2,594 AUD

Retailer 1
-
$391 AUD
Price last confirmed 29 days ago
A
Retailer 2
-
$546 AUD
View
Final sale: no returns
Retailer 3
-
$663 AUD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$694 AUD
View
Retailer 5
-
$741 AUD
View
Price last confirmed 38 days ago
Retailer 6
-
$790 AUD
View
Price last confirmed 29 days ago
Retailer 7
-
$790 AUD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$793 AUD
View
Retailer 9
-
$810 AUD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$857 AUD
View
A
Retailer 11
-
$1,074 AUD
View
B+
Retailer 12
-
$1,113 AUD
View
B+
Retailer 13
-
$1,159 AUD
View
Retailer 14
-
$1,219 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,363 AUD
View
B+
Retailer 16
-
$1,380 AUD
View
B+
Retailer 17
-
$1,487 AUD
View
B+
Retailer 18
-
$1,493 AUD
View
B+
Retailer 19
-
$1,774 AUD
View
B+
Retailer 20
-
$1,946 AUD
View
B
Retailer 21
-
$2,006 AUD
View
B
Retailer 22
-
$2,034 AUD
View
Retailer 23
-
$2,178 AUD
View
Price last confirmed 9 days ago
B
Retailer 24
-
$2,316 AUD
View
B+
Retailer 25
-
$2,350 AUD
View
B
Retailer 26
-
$2,417 AUD
View
Retailer 27
-
$2,540 AUD
View
Price last confirmed 27 days ago
B
Retailer 28
-
$2,594 AUD
View
Retailer 29
-
$2,640 AUD
View
Price last confirmed 37 days ago
Most Expensive
Brilliant Earth
10876475A · Oct 26
$3,014 AUD
$2,110 USD
View
Price last confirmed 10 days ago
29 more retailers have this diamond
Prices start from $546 AUDSave up to $2,048 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
$546 AUD