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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 $304 SGD
As of November 4, 2026
Save $2,609 SGD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,914 SGD 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 $304 to $2,914, a $2,609 spread on the same certified stone. Do Amore Diamonds 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,914 SGD|Low: $298 SGD|High: $2,978 SGD|Avg: $1,388 SGD|-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$304 SGD
Retailer 14$353 SGD
Retailer 11$635 SGD
Retailer 13$699 SGD
Retailer 4$794 SGD
Retailer 7$1,021 SGD
Retailer 10$1,217 SGD
Retailer 12$1,338 SGD
Retailer 6$1,590 SGD
Retailer 2$1,663 SGD
Retailer 3$1,879 SGD
Retailer 5$2,193 SGD
Retailer 8$2,287 SGD
Do Amore Diamonds$2,914 SGD

24 data points across 14 retailers

14 retailers$304 SGD to $2,914 SGD

A+
Cheapest Retailer
-
$304 SGD
A
Retailer 2
-
$353 SGD
View
A
Retailer 3
-
$635 SGD
View
Retailer 4
-
$699 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$794 SGD
View
B+
Retailer 6
-
$1,021 SGD
View
B+
Retailer 7
-
$1,217 SGD
View
B+
Retailer 8
-
$1,338 SGD
View
B+
Retailer 9
-
$1,663 SGD
View
Retailer 10
-
$1,879 SGD
View
Price last confirmed 8 days ago
Retailer 11
-
$1,880 SGD
View
Price last confirmed 50 days ago
Retailer 12
-
$2,193 SGD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$2,287 SGD
View
Most Expensive
B
Do Amore Diamonds
27-A7077F1D0 · Nov 4
$2,914 SGD
$2,280 USD
View
13 more retailers have this diamond
Prices start from $304 SGDSave up to $2,609 SGD

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
$304 SGD