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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 $423 NZD
As of November 4, 2026
Save $3,633 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,056 NZD at Do Amore Diamonds · As of November 4, 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 4, 2026, with prices from $423 to $4,056, a $3,633 spread on the same certified stone. Do Amore Diamonds lists it at $4,056. 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 4
Current: $4,056 NZD|Low: $414 NZD|High: $4,145 NZD|Avg: $1,932 NZD|-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 5, 2026
Retailer 9$423 NZD
Retailer 14$491 NZD
Retailer 11$884 NZD
Retailer 13$973 NZD
Retailer 4$1,105 NZD
Retailer 7$1,421 NZD
Retailer 10$1,694 NZD
Retailer 12$1,863 NZD
Retailer 6$2,213 NZD
Retailer 2$2,314 NZD
Retailer 3$2,615 NZD
Retailer 5$3,053 NZD
Retailer 8$3,184 NZD
Do Amore Diamonds$4,056 NZD

24 data points across 14 retailers

14 retailers$423 NZD to $4,056 NZD

A+
Cheapest Retailer
-
$423 NZD
A
Retailer 2
-
$491 NZD
View
A
Retailer 3
-
$884 NZD
View
Retailer 4
-
$973 NZD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,105 NZD
View
B+
Retailer 6
-
$1,421 NZD
View
B+
Retailer 7
-
$1,694 NZD
View
B+
Retailer 8
-
$1,863 NZD
View
B+
Retailer 9
-
$2,314 NZD
View
Retailer 10
-
$2,615 NZD
View
Price last confirmed 8 days ago
Retailer 11
-
$2,617 NZD
View
Price last confirmed 50 days ago
Retailer 12
-
$3,053 NZD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$3,184 NZD
View
Most Expensive
B
Do Amore Diamonds
27-A7077F1D0 · Nov 4
$4,056 NZD
$2,280 USD
View
13 more retailers have this diamond
Prices start from $423 NZDSave up to $3,633 NZD

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
$423 NZD