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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594793

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594793

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)
29 retailers carry this diamond
Most expensive: $2,640 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 LG754594793 or 754594793. Listed at 29 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594793
Dimensions11.64 × 5.47 × 3.36 mm
L/W Ratio2.13
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
11.64 mm5.47 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594793
Side View
Table 61.0%Crown 33.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.4%

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: Nov 4
Current: $1,946 AUD|Low: $546 AUD|High: $3,087 AUD|Avg: $1,677 AUD
NZ Jewellers
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
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Retailer 22
Retailer 23
November 6, 2026
Retailer 21$546 AUD
Retailer 16$663 AUD
Retailer 19$694 AUD
Retailer 15$790 AUD
Retailer 18$793 AUD
Retailer 23$857 AUD
Retailer 2$1,074 AUD
Retailer 14$1,113 AUD
Retailer 13$1,159 AUD
Retailer 10$1,219 AUD
Retailer 8$1,363 AUD
Retailer 6$1,380 AUD
Retailer 20$1,487 AUD
Retailer 11$1,493 AUD
Retailer 22$1,774 AUD
NZ Jewellers$1,946 AUD
Retailer 7$2,006 AUD
Retailer 4$2,034 AUD
Retailer 12$2,178 AUD
Retailer 5$2,316 AUD
Retailer 3$2,350 AUD
Retailer 17$2,417 AUD
Retailer 9$2,594 AUD

31 data points across 23 retailers

29 retailers$546 AUD to $2,594 AUD

A
Cheapest Retailer
-
$546 AUD
Final sale: no returns
Retailer 2
-
$663 AUD
View
Price last confirmed 29 days ago
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
Most Expensive
NZ Jewellers
edd79a31-b4f0-45ca-8aa4-00d1c4787cbc · Sep 30
$2,640 AUD
$1,848 USD
View
Price last confirmed 36 days ago
28 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