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Marquise|Lab Grown|IGI

1.22ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754508146

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508146

Diamond specifications and retailer prices

From $455 SGD
As of November 4, 2026
Save $3,417 SGD (88%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $3,872 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 LG754508146 or 754508146. Listed at 32 retailers as of November 4, 2026, with prices from $455 to $3,872, a $3,417 spread on the same certified stone. Do Amore Diamonds lists it at $3,872. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508146
Dimensions11.26 × 5.54 × 3.44 mm
L/W Ratio2.03
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
11.26 mm5.54 mm1.22 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508146
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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: $3,872 SGD|Low: $436 SGD|High: $3,872 SGD|Avg: $1,520 SGD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 4, 2026
Retailer 11$436 SGD
Retailer 13$455 SGD
Retailer 2$588 SGD
Retailer 18$611 SGD
Retailer 21$735 SGD
Retailer 20$751 SGD
Retailer 4$960 SGD
Retailer 7$966 SGD
Retailer 6$1,029 SGD
Retailer 3$1,059 SGD
Retailer 9$1,186 SGD
Retailer 16$1,263 SGD
Retailer 15$1,389 SGD
Retailer 5$1,602 SGD
Retailer 17$1,714 SGD
Retailer 19$1,716 SGD
Retailer 12$1,735 SGD
Retailer 10$2,019 SGD
Retailer 14$2,109 SGD
Retailer 8$2,345 SGD
Do Amore Diamonds$3,872 SGD

36 data points across 21 retailers

32 retailers$455 SGD to $3,872 SGD

Retailer 1
-
$436 SGD
Price last confirmed 27 days ago
Retailer 2
-
$436 SGD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$455 SGD
View
Retailer 4
-
$506 SGD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$530 SGD
View
Final sale: no returns
Retailer 6
-
$534 SGD
View
Price last confirmed 36 days ago
Retailer 7
-
$541 SGD
View
Price last confirmed 32 days ago
Retailer 8
-
$541 SGD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$588 SGD
View
A
Retailer 10
-
$611 SGD
View
A
Retailer 11
-
$735 SGD
View
A
Retailer 12
-
$751 SGD
View
A
Retailer 13
-
$823 SGD
View
A
Retailer 14
-
$852 SGD
View
B+
Retailer 15
-
$960 SGD
View
A
Retailer 16
-
$966 SGD
View
B+
Retailer 17
-
$1,029 SGD
View
B+
Retailer 18
-
$1,059 SGD
View
B+
Retailer 19
-
$1,186 SGD
View
B+
Retailer 20
-
$1,263 SGD
View
B+
Retailer 21
-
$1,389 SGD
View
B+
Retailer 22
-
$1,602 SGD
View
B+
Retailer 23
-
$1,714 SGD
View
B
Retailer 24
-
$1,716 SGD
View
Retailer 25
-
$1,735 SGD
View
Price last confirmed 27 days ago
Retailer 26
-
$1,919 SGD
View
Price last confirmed 35 days ago
Retailer 27
-
$1,919 SGD
View
Price last confirmed 25 days ago
B
Retailer 28
-
$2,019 SGD
View
B
Retailer 29
-
$2,109 SGD
View
B
Retailer 30
-
$2,222 SGD
View
B
Retailer 31
-
$2,345 SGD
View
Most Expensive
B
Do Amore Diamonds
27-5169192F8 · Nov 4
$3,872 SGD
$3,030 USD
View
31 more retailers have this diamond
Prices start from $455 SGDSave up to $3,417 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
$455 SGD