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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG689566207

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG689566207

Diamond specifications and retailer prices

From $587 AUD
As of November 6, 2026
Save $2,327 AUD (80%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,914 AUD at Brilliant Earth · As of November 6, 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 LG689566207 or 689566207. Listed at 29 retailers as of November 6, 2026, with prices from $587 to $2,914, a $2,327 spread on the same certified stone. Brilliant Earth lists it at $2,914. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566207
Dimensions10.88 × 5.60 × 3.57 mm
L/W Ratio1.94
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
10.88 mm5.60 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566207
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.8%

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 6
Current: $2,914 AUD|Low: $391 AUD|High: $3,771 AUD|Avg: $1,748 AUD|-5.6%
Brilliant Earth
Retailer 2
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November 6, 2026
Retailer 16$391 AUD
Retailer 13$587 AUD
Retailer 21$694 AUD
Retailer 14$790 AUD
Retailer 20$793 AUD
Retailer 4$857 AUD
Retailer 2$979 AUD
Retailer 17$1,074 AUD
Retailer 12$1,113 AUD
Retailer 18$1,159 AUD
Retailer 10$1,363 AUD
Retailer 8$1,380 AUD
Retailer 22$1,487 AUD
Retailer 3$1,774 AUD
Retailer 23$1,946 AUD
Retailer 9$2,006 AUD
Retailer 6$2,034 AUD
Retailer 11$2,178 AUD
Retailer 7$2,316 AUD
Retailer 5$2,350 AUD
Retailer 19$2,417 AUD
Retailer 15$2,451 AUD
Brilliant Earth$2,914 AUD

28 data points across 23 retailers

29 retailers$587 AUD to $2,914 AUD

Retailer 1
-
$391 AUD
Price last confirmed 29 days ago
A
Retailer 2
-
$587 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
B+
Retailer 11
-
$979 AUD
View
A
Retailer 12
-
$1,074 AUD
View
B+
Retailer 13
-
$1,113 AUD
View
B+
Retailer 14
-
$1,159 AUD
View
B+
Retailer 15
-
$1,363 AUD
View
B+
Retailer 16
-
$1,380 AUD
View
B+
Retailer 17
-
$1,487 AUD
View
B+
Retailer 18
-
$1,774 AUD
View
B+
Retailer 19
-
$1,946 AUD
View
B
Retailer 20
-
$2,006 AUD
View
B
Retailer 21
-
$2,034 AUD
View
Retailer 22
-
$2,178 AUD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$2,316 AUD
View
B
Retailer 24
-
$2,350 AUD
View
B
Retailer 25
-
$2,417 AUD
View
Retailer 26
-
$2,451 AUD
View
Price last confirmed 29 days ago
Retailer 27
-
$2,540 AUD
View
Price last confirmed 27 days ago
Retailer 28
-
$2,640 AUD
View
Price last confirmed 37 days ago
Most Expensive
B
Brilliant Earth
13943324A · Nov 6
$2,914 AUD
$2,040 USD
View
28 more retailers have this diamond
Prices start from $587 AUDSave up to $2,327 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
$587 AUD