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Marquise|Lab Grown|IGI

1.22ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG628488228

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628488228

Diamond specifications and retailer prices

From $323 SGD
As of November 5, 2026
Save $2,449 SGD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,772 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628488228 or 628488228. Listed at 27 retailers as of November 4, 2026, with prices from $323 to $2,772, a $2,449 spread on the same certified stone. Do Amore Diamonds lists it at $2,772. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628488228
Dimensions10.94 × 5.58 × 3.54 mm
L/W Ratio1.96
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 mm5.58 mm1.22 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628488228
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.4%

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 5
Current: $2,772 SGD|Low: $290 SGD|High: $2,772 SGD|Avg: $1,134 SGD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 5, 2026
Retailer 9$290 SGD
Retailer 2$323 SGD
Retailer 7$359 SGD
Retailer 6$556 SGD
Retailer 5$559 SGD
Retailer 17$658 SGD
Retailer 21$667 SGD
Retailer 15$683 SGD
Retailer 13$746 SGD
Retailer 14$773 SGD
Retailer 8$789 SGD
Retailer 10$870 SGD
Retailer 20$1,157 SGD
Retailer 3$1,491 SGD
Retailer 16$1,589 SGD
Retailer 11$1,595 SGD
Retailer 18$1,595 SGD
Retailer 4$1,631 SGD
Retailer 19$2,018 SGD
Retailer 12$2,516 SGD
Do Amore Diamonds$2,772 SGD

41 data points across 21 retailers

27 retailers$323 SGD to $2,772 SGD

Retailer 1
-
$290 SGD
Price last confirmed 28 days ago
A
Retailer 2
-
$323 SGD
View
Final sale: no returns
Retailer 3
-
$359 SGD
View
Price last confirmed 28 days ago
Retailer 4
-
$359 SGD
View
Price last confirmed 26 days ago
Retailer 5
-
$436 SGD
View
Price last confirmed 36 days ago
Retailer 6
-
$506 SGD
View
Price last confirmed 37 days ago
Retailer 7
-
$534 SGD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$556 SGD
View
A
Retailer 9
-
$559 SGD
View
A
Retailer 10
-
$658 SGD
View
A
Retailer 11
-
$667 SGD
View
A
Retailer 12
-
$683 SGD
View
A
Retailer 13
-
$746 SGD
View
A
Retailer 14
-
$789 SGD
View
A
Retailer 15
-
$870 SGD
View
B+
Retailer 16
-
$1,157 SGD
View
B+
Retailer 17
-
$1,273 SGD
View
Retailer 18
-
$1,273 SGD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$1,491 SGD
View
B+
Retailer 20
-
$1,589 SGD
View
Retailer 21
-
$1,595 SGD
View
Price last confirmed 7 days ago
B+
Retailer 22
-
$1,595 SGD
View
B+
Retailer 23
-
$1,631 SGD
View
Retailer 24
-
$1,919 SGD
View
Price last confirmed 36 days ago
B+
Retailer 25
-
$2,018 SGD
View
B
Retailer 26
-
$2,516 SGD
View
Most Expensive
B
Do Amore Diamonds
27-7CB71A8B0 · Nov 4
$2,772 SGD
$2,170 USD
View
26 more retailers have this diamond
Prices start from $323 SGDSave up to $2,449 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
$323 SGD