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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508297

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508297

Diamond specifications and retailer prices

From $551 SGD
As of November 4, 2026
Save $3,999 SGD (88%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $4,549 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct 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 LG754508297 or 754508297. Listed at 31 retailers as of November 4, 2026, with prices from $551 to $4,549, a $3,999 spread on the same certified stone. Do Amore Diamonds lists it at $4,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508297
Dimensions11.53 × 5.32 × 3.38 mm
L/W Ratio2.17
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
11.53 mm5.32 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508297
Side View
Table 58.0%Crown 37.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $4,549 SGD|Low: $533 SGD|High: $4,728 SGD|Avg: $1,625 SGD|-3.8%
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 18$533 SGD
Retailer 20$551 SGD
Retailer 14$631 SGD
Retailer 17$635 SGD
Retailer 13$639 SGD
Retailer 19$719 SGD
Retailer 25$760 SGD
Retailer 16$810 SGD
Retailer 15$930 SGD
Retailer 2$953 SGD
Retailer 10$997 SGD
Retailer 7$1,209 SGD
Retailer 5$1,224 SGD
Retailer 22$1,320 SGD
Retailer 24$1,495 SGD
Retailer 23$1,726 SGD
Retailer 12$1,930 SGD
Retailer 6$1,931 SGD
Retailer 3$1,955 SGD
Retailer 4$2,065 SGD
Retailer 9$2,301 SGD
Retailer 11$2,301 SGD
Retailer 21$2,339 SGD
Retailer 8$2,576 SGD
Do Amore Diamonds$4,549 SGD

33 data points across 25 retailers

31 retailers$551 SGD to $4,549 SGD

Retailer 1
-
$533 SGD
Price last confirmed 28 days ago
Retailer 2
-
$533 SGD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$551 SGD
View
Retailer 4
-
$597 SGD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$631 SGD
View
Final sale: no returns
Retailer 6
-
$635 SGD
View
Price last confirmed 28 days ago
Retailer 7
-
$635 SGD
View
Price last confirmed 26 days ago
A
Retailer 8
-
$639 SGD
View
Retailer 9
-
$652 SGD
View
Price last confirmed 37 days ago
A
Retailer 10
-
$719 SGD
View
A
Retailer 11
-
$760 SGD
View
A
Retailer 12
-
$810 SGD
View
B+
Retailer 13
-
$930 SGD
View
A
Retailer 14
-
$953 SGD
View
A
Retailer 15
-
$997 SGD
View
B+
Retailer 16
-
$1,209 SGD
View
B+
Retailer 17
-
$1,224 SGD
View
B+
Retailer 18
-
$1,320 SGD
View
B+
Retailer 19
-
$1,495 SGD
View
B+
Retailer 20
-
$1,726 SGD
View
Retailer 21
-
$1,930 SGD
View
Price last confirmed 8 days ago
B+
Retailer 22
-
$1,931 SGD
View
B+
Retailer 23
-
$1,955 SGD
View
B+
Retailer 24
-
$2,065 SGD
View
Retailer 25
-
$2,255 SGD
View
Price last confirmed 26 days ago
B
Retailer 26
-
$2,301 SGD
View
B
Retailer 27
-
$2,301 SGD
View
B
Retailer 28
-
$2,339 SGD
View
Retailer 29
-
$2,342 SGD
View
Price last confirmed 36 days ago
B
Retailer 30
-
$2,576 SGD
View
Most Expensive
B
Do Amore Diamonds
27-82AE7C261 · Nov 4
$4,549 SGD
$3,560 USD
View
30 more retailers have this diamond
Prices start from $551 SGDSave up to $3,999 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
1.21ct Marquise
$551 SGD